Pith Number

pith:IM2NX2XH

pith:2025:IM2NX2XHUQOP3XEBYF7NUYNTMM

not attested not anchored not stored refs pending

R1dacted: Investigating Local Censorship in DeepSeek's R1 Language Model

Alina Oprea, Ali Naseh, Amir Houmansadr, Harsh Chaudhari, Jaechul Roh, Mingshi Wu

arxiv:2505.12625 v1 · 2025-05-19 · cs.CL · cs.CR · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IM2NX2XHUQOP3XEBYF7NUYNTMM}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Cited by

1 paper in Pith

Scrapyard AI

Receipt and verification

First computed	2026-07-05T11:05:07.208460Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4334dbeae7a41cfddc81c17eda61b3630da95c6f6758360086a9e511137e9bde

Aliases

arxiv: 2505.12625 · arxiv_version: 2505.12625v1 · doi: 10.48550/arxiv.2505.12625 · pith_short_12: IM2NX2XHUQOP · pith_short_16: IM2NX2XHUQOP3XEB · pith_short_8: IM2NX2XH

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/IM2NX2XHUQOP3XEBYF7NUYNTMM \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 4334dbeae7a41cfddc81c17eda61b3630da95c6f6758360086a9e511137e9bde

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c4616ce01bca97c30f7b740f91e201be18322d7040bbbedd14de94f27324af3",
    "cross_cats_sorted": [
      "cs.CR",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-05-19T02:16:56Z",
    "title_canon_sha256": "ab0655d3a995d68d2c6fdd66f1f91c13c7f35de8da1cbb37e43f7635e0d9d089"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.12625",
    "kind": "arxiv",
    "version": 1
  }
}