Pith Number

pith:BGFUN2IC

pith:2019:BGFUN2ICDU533DXQZ6MQ5R4TSA

not attested not anchored not stored refs pending

KCAT: A Knowledge-Constraint Typing Annotation Tool

Bo Chen, Fei Wu, Guoping Hu, Luye Zheng, Sheng Lin, Siliang Tang, Xiang Ren, Yueting Zhuang, Zhigang Chen

arxiv:1906.05670 v1 · 2019-06-13 · cs.AI · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BGFUN2ICDU533DXQZ6MQ5R4TSA}

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

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	2026-05-17T23:43:24.650924Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

098b46e9021d3bbd8ef0cf990ec793903e34e869743bd37c5790e880b17d4395

Aliases

arxiv: 1906.05670 · arxiv_version: 1906.05670v1 · doi: 10.48550/arxiv.1906.05670 · pith_short_12: BGFUN2ICDU53 · pith_short_16: BGFUN2ICDU533DXQ · pith_short_8: BGFUN2IC

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/BGFUN2ICDU533DXQZ6MQ5R4TSA \
  | 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: 098b46e9021d3bbd8ef0cf990ec793903e34e869743bd37c5790e880b17d4395

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe2ae2dc8c56c93ae2b2304b2e310a8f9e33d48a0b237a12d4de6d4270640dc7",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2019-06-13T13:33:22Z",
    "title_canon_sha256": "a6e972288a4ed9d82b9a01b3170441e980fbab09771e65266362ae42bd98f5ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.05670",
    "kind": "arxiv",
    "version": 1
  }
}