Pith Number

pith:DOG7QBUS

pith:2022:DOG7QBUSLLQQTPTMA2RFXZ3LU2

not attested not anchored not stored refs pending

How We Express Ourselves Freely: Censorship, Self-censorship, and Anti-censorship on a Chinese Social Media

Bohui Shen, Jiamu Xie, Xiang Chen, Zhixuan Zhou, Zixin Wang

arxiv:2211.13748 v1 · 2022-11-24 · cs.CY · cs.SI · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DOG7QBUSLLQQTPTMA2RFXZ3LU2}

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.

Receipt and verification

First computed	2026-07-05T05:19:25.922527Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b8df806925ae109be6c06a25be76ba6b34ba7b8f28eaac72a7b53078f46c6f9

Aliases

arxiv: 2211.13748 · arxiv_version: 2211.13748v1 · doi: 10.48550/arxiv.2211.13748 · pith_short_12: DOG7QBUSLLQQ · pith_short_16: DOG7QBUSLLQQTPTM · pith_short_8: DOG7QBUS

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/DOG7QBUSLLQQTPTMA2RFXZ3LU2 \
  | 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: 1b8df806925ae109be6c06a25be76ba6b34ba7b8f28eaac72a7b53078f46c6f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "875d7b6b535a56ef11137fb4c8e48a95c4fdb0df2e0dfae6c8030a5cc5415000",
    "cross_cats_sorted": [
      "cs.SI",
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2022-11-24T18:28:16Z",
    "title_canon_sha256": "c3d675bb732ef1eeebe4482162cd9ca5270b367cbdfd7726ab217c9ce9fb8650"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.13748",
    "kind": "arxiv",
    "version": 1
  }
}