Pith Number

pith:VUUPFN7Z

pith:2021:VUUPFN7ZNMYKEXFTV7OR2PGOR6

not attested not anchored not stored refs pending

What is Event Knowledge Graph: A Survey

Fujun Zhang, Jiafeng Guo, Long Bai, Saiping Guan, Xiaolong Jin, Xueqi Cheng, Yutao Zeng, Zixuan Li

arxiv:2112.15280 v2 · 2021-12-31 · cs.LG · cs.AI · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VUUPFN7ZNMYKEXFTV7OR2PGOR6}

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	2026-07-05T04:31:11.903972Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad28f2b7f96b30a25cb3afdd1d3cce8f9a94af0cb0a57ee01e339d9d9c7cb856

Aliases

arxiv: 2112.15280 · arxiv_version: 2112.15280v2 · doi: 10.48550/arxiv.2112.15280 · pith_short_12: VUUPFN7ZNMYK · pith_short_16: VUUPFN7ZNMYKEXFT · pith_short_8: VUUPFN7Z

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/VUUPFN7ZNMYKEXFTV7OR2PGOR6 \
  | 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: ad28f2b7f96b30a25cb3afdd1d3cce8f9a94af0cb0a57ee01e339d9d9c7cb856

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58919a2c09d3fe32efbb06c8c1f095b7bcbcebe0a3e3eab8f03d3e10e6c87eec",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-12-31T03:42:55Z",
    "title_canon_sha256": "27a0fc40e0c460eda6143878be995e6e09eb9954ec88ea842be98bdd1d84e3e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.15280",
    "kind": "arxiv",
    "version": 2
  }
}