---
title: "Changes to Get a paper"
method: GET
path: "/api/papers/{paperId}"
---

# Changes to Get a paper

`GET /api/papers/{paperId}`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 5 of 82 revisions.

- **2026-09-17** `805b42ee6d4c` — 1 info
- **2026-09-15** `ee270f1bbf18` — 4 warning
- **2026-09-08** `bd17546f47b8` — 19 breaking, 18 info
- **2026-08-13** `99cb19038135` — 15 warning, 3 info
- **2026-07-26** `36390f25f00f` — 1 info

## Changes

- **2026-09-17** `805b42ee6d4c` — 1 info
  - added the optional property `linkedDatasets/items/isEnvironment` to the response with the `200` status
- **2026-09-15** `ee270f1bbf18` — 4 warning
  - added the new `harbor` enum value to the `linkedDatasets/items/datasetsServerInfo/libraries/items/` response property for the response status `200`
  - added the new `nemo-gym` enum value to the `linkedDatasets/items/datasetsServerInfo/libraries/items/` response property for the response status `200`
  - added the new `openenv` enum value to the `linkedDatasets/items/datasetsServerInfo/libraries/items/` response property for the response status `200`
  - added the new `verifiers` enum value to the `linkedDatasets/items/datasetsServerInfo/libraries/items/` response property for the response status `200`
- **2026-09-08** `bd17546f47b8` — 19 breaking, 18 info
  - the response property `linkedDatasets/items/datasetsServerInfo/numRows` became nullable for the status `200`
  - added `subschema #1, subschema #2` to the `comments/items/author` response property `oneOf` list for the response status `200`
  - added `subschema #1, subschema #2` to the `comments/items/data/latest/author` response property `oneOf` list for the response status `200`
  - added `subschema #1, subschema #2` to the `linkedModels/items/authorData` response property `oneOf` list for the response status `200`
  - the `comments/items/data/hiddenReason` response's property type changed from no type to `string` for status `200`
  - the `comments/items/data/reactions/items/reaction` response's property type changed from no type to `string` for status `200`
  - the `comments/items/type` response's property type changed from no type to `string` for status `200`
  - the `linkedDatasets/items/datasetsServerInfo/formats/items/` response's property type changed from no type to `string` for status `200`
  - the `linkedDatasets/items/datasetsServerInfo/libraries/items/` response's property type changed from no type to `string` for status `200`
  - the `linkedDatasets/items/datasetsServerInfo/modalities/items/` response's property type changed from no type to `string` for status `200`
  - the `linkedDatasets/items/datasetsServerInfo/viewer` response's property type changed from no type to `string` for status `200`
  - the `linkedDatasets/items/repoType` response's property type changed from no type to `string` for status `200`
  - the `linkedModels/items/availableInferenceProviders/items/adapterType` response's property type changed from no type to `string` for status `200`
  - the `linkedModels/items/availableInferenceProviders/items/modelStatus` response's property type changed from no type to `string` for status `200`
  - the `linkedModels/items/availableInferenceProviders/items/provider` response's property type changed from no type to `string` for status `200`
  - the `linkedModels/items/availableInferenceProviders/items/providerStatus` response's property type changed from no type to `string` for status `200`
  - the `linkedModels/items/availableInferenceProviders/items/task` response's property type changed from no type to `string` for status `200`
  - the `linkedModels/items/isPreRelease` response's property type changed from no type to `boolean` for status `200`
  - the `linkedModels/items/repoType` response's property type changed from no type to `string` for status `200`
  - removed `subschema #1, subschema #2` from the `comments/items/author` response property `allOf` list for the response status `200`
  - added `subschema #1, subschema #2` to the `linkedDatasets/items/gated` response property `anyOf` list for the response status `200`
  - added `subschema #1, subschema #2` to the `linkedModels/items/gated` response property `anyOf` list for the response status `200`
  - removed `subschema #1, subschema #2` from the `comments/items/data/latest/author` response property `anyOf` list for the response status `200`
  - removed `subschema #1, subschema #2` from the `linkedDatasets/items/gated` response property `anyOf` list for the response status `200`
  - removed `subschema #1, subschema #2` from the `linkedModels/items/authorData` response property `anyOf` list for the response status `200`
  - removed `subschema #1, subschema #2` from the `linkedModels/items/gated` response property `anyOf` list for the response status `200`
  - response property `linkedDatasets/items/datasetsServerInfo/numRows` list-of-types was narrowed by removing types `null` from media type `application/json` of response `200`
  - the `authors/items/statusLastChangedAt` response's property pattern was changed from `^((\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-((0[13578]|1[02])-(0[1-9]|[12]\d|3[01])|(0[469]|11)-(0[1-9]|[12]\d|30)|(02)-(0[1-9]|1\d|2[0-8])))T([01]\d|2[0-3]):[0-5]\d:[0-5]\d(\.\d+)?(Z)$` to `^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d:[0-5]\d(?:\.\d+)?(?:Z))$` for the status `200`
  - the `comments/items/createdAt` response's property pattern was changed from `^((\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-((0[13578]|1[02])-(0[1-9]|[12]\d|3[01])|(0[469]|11)-(0[1-9]|[12]\d|30)|(02)-(0[1-9]|1\d|2[0-8])))T([01]\d|2[0-3]):[0-5]\d:[0-5]\d(\.\d+)?(Z)$` to `^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d:[0-5]\d(?:\.\d+)?(?:Z))$` for the status `200`
  - the `comments/items/data/latest/updatedAt` response's property pattern was changed from `^((\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-((0[13578]|1[02])-(0[1-9]|[12]\d|3[01])|(0[469]|11)-(0[1-9]|[12]\d|30)|(02)-(0[1-9]|1\d|2[0-8])))T([01]\d|2[0-3]):[0-5]\d:[0-5]\d(\.\d+)?(Z)$` to `^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d:[0-5]\d(?:\.\d+)?(?:Z))$` for the status `200`
  - the `linkedDatasets/items/lastModified` response's property pattern was changed from `^((\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-((0[13578]|1[02])-(0[1-9]|[12]\d|3[01])|(0[469]|11)-(0[1-9]|[12]\d|30)|(02)-(0[1-9]|1\d|2[0-8])))T([01]\d|2[0-3]):[0-5]\d:[0-5]\d(\.\d+)?(Z)$` to `^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d:[0-5]\d(?:\.\d+)?(?:Z))$` for the status `200`
  - the `linkedModels/items/availableInferenceProviders/items/freeUntil` response's property pattern was changed from `^((\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-((0[13578]|1[02])-(0[1-9]|[12]\d|3[01])|(0[469]|11)-(0[1-9]|[12]\d|30)|(02)-(0[1-9]|1\d|2[0-8])))T([01]\d|2[0-3]):[0-5]\d:[0-5]\d(\.\d+)?(Z)$` to `^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d:[0-5]\d(?:\.\d+)?(?:Z))$` for the status `200`
  - the `linkedModels/items/lastModified` response's property pattern was changed from `^((\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-((0[13578]|1[02])-(0[1-9]|[12]\d|3[01])|(0[469]|11)-(0[1-9]|[12]\d|30)|(02)-(0[1-9]|1\d|2[0-8])))T([01]\d|2[0-3]):[0-5]\d:[0-5]\d(\.\d+)?(Z)$` to `^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d:[0-5]\d(?:\.\d+)?(?:Z))$` for the status `200`
  - the `publishedAt` response's property pattern was changed from `^((\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-((0[13578]|1[02])-(0[1-9]|[12]\d|3[01])|(0[469]|11)-(0[1-9]|[12]\d|30)|(02)-(0[1-9]|1\d|2[0-8])))T([01]\d|2[0-3]):[0-5]\d:[0-5]\d(\.\d+)?(Z)$` to `^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d:[0-5]\d(?:\.\d+)?(?:Z))$` for the status `200`
  - the `submissionDeadline` response's property pattern was changed from `^((\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-((0[13578]|1[02])-(0[1-9]|[12]\d|3[01])|(0[469]|11)-(0[1-9]|[12]\d|30)|(02)-(0[1-9]|1\d|2[0-8])))T([01]\d|2[0-3]):[0-5]\d:[0-5]\d(\.\d+)?(Z)$` to `^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d:[0-5]\d(?:\.\d+)?(?:Z))$` for the status `200`
  - the `submittedOnDailyAt` response's property pattern was changed from `^((\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-((0[13578]|1[02])-(0[1-9]|[12]\d|3[01])|(0[469]|11)-(0[1-9]|[12]\d|30)|(02)-(0[1-9]|1\d|2[0-8])))T([01]\d|2[0-3]):[0-5]\d:[0-5]\d(\.\d+)?(Z)$` to `^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d:[0-5]\d(?:\.\d+)?(?:Z))$` for the status `200`
  - the `withdrawnAt` response's property pattern was changed from `^((\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-((0[13578]|1[02])-(0[1-9]|[12]\d|3[01])|(0[469]|11)-(0[1-9]|[12]\d|30)|(02)-(0[1-9]|1\d|2[0-8])))T([01]\d|2[0-3]):[0-5]\d:[0-5]\d(\.\d+)?(Z)$` to `^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d:[0-5]\d(?:\.\d+)?(?:Z))$` for the status `200`
- **2026-08-13** `99cb19038135` — 15 warning, 3 info
  - added the new `admin` enum value to the `comments/items/author/allOf[subschema #1]/anyOf[subschema #2]/primaryOrg/userRole` response property for the response status `200`
  - added the new `admin` enum value to the `comments/items/data/latest/author/anyOf[subschema #2]/primaryOrg/userRole` response property for the response status `200`
  - added the new `admin` enum value to the `linkedModels/items/authorData/anyOf[subschema #2]/primaryOrg/userRole` response property for the response status `200`
  - added the new `contributor` enum value to the `comments/items/author/allOf[subschema #1]/anyOf[subschema #2]/primaryOrg/userRole` response property for the response status `200`
  - added the new `contributor` enum value to the `comments/items/data/latest/author/anyOf[subschema #2]/primaryOrg/userRole` response property for the response status `200`
  - added the new `contributor` enum value to the `linkedModels/items/authorData/anyOf[subschema #2]/primaryOrg/userRole` response property for the response status `200`
  - added the new `no_access` enum value to the `comments/items/author/allOf[subschema #1]/anyOf[subschema #2]/primaryOrg/userRole` response property for the response status `200`
  - added the new `no_access` enum value to the `comments/items/data/latest/author/anyOf[subschema #2]/primaryOrg/userRole` response property for the response status `200`
  - added the new `no_access` enum value to the `linkedModels/items/authorData/anyOf[subschema #2]/primaryOrg/userRole` response property for the response status `200`
  - added the new `read` enum value to the `comments/items/author/allOf[subschema #1]/anyOf[subschema #2]/primaryOrg/userRole` response property for the response status `200`
  - added the new `read` enum value to the `comments/items/data/latest/author/anyOf[subschema #2]/primaryOrg/userRole` response property for the response status `200`
  - added the new `read` enum value to the `linkedModels/items/authorData/anyOf[subschema #2]/primaryOrg/userRole` response property for the response status `200`
  - added the new `write` enum value to the `comments/items/author/allOf[subschema #1]/anyOf[subschema #2]/primaryOrg/userRole` response property for the response status `200`
  - added the new `write` enum value to the `comments/items/data/latest/author/anyOf[subschema #2]/primaryOrg/userRole` response property for the response status `200`
  - added the new `write` enum value to the `linkedModels/items/authorData/anyOf[subschema #2]/primaryOrg/userRole` response property for the response status `200`
  - removed `subschema #1, subschema #2` from the `comments/items/author/allOf[subschema #1]/anyOf[subschema #2]/primaryOrg/userRole` response property `anyOf` list for the response status `200`
  - removed `subschema #1, subschema #2` from the `comments/items/data/latest/author/anyOf[subschema #2]/primaryOrg/userRole` response property `anyOf` list for the response status `200`
  - removed `subschema #1, subschema #2` from the `linkedModels/items/authorData/anyOf[subschema #2]/primaryOrg/userRole` response property `anyOf` list for the response status `200`
- **2026-07-26** `36390f25f00f` — 1 info
  - added the optional property `linkedModels/items/isPreRelease` to the response with the `200` status

---

[Operation](https://skmtc.dev/huggingface/apis/hub-api-endpoints/docs/api/papers/:paperId/get.md) · [API](https://skmtc.dev/huggingface/apis/hub-api-endpoints.md) · [Page](https://skmtc.dev/huggingface/apis/hub-api-endpoints/changes/api/papers/:paperId/get)