Pith Number

pith:OU4KROT5

pith:2022:OU4KROT5EHUC75QC5JMF77V5DK

not attested not anchored not stored refs pending

Ontological model identification based on data from heterogeneous sources

A. Kalinin, A. Lysenko, D. Vaganov, E. Shikov

arxiv:2201.04883 v1 · 2022-01-13 · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OU4KROT5EHUC75QC5JMF77V5DK}

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	2026-07-05T03:48:13.736017Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7538a8ba7d21e82ff602ea585ffebd1ab3f787996b85673d5baf1e1191d44031

Aliases

arxiv: 2201.04883 · arxiv_version: 2201.04883v1 · doi: 10.48550/arxiv.2201.04883 · pith_short_12: OU4KROT5EHUC · pith_short_16: OU4KROT5EHUC75QC · pith_short_8: OU4KROT5

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/OU4KROT5EHUC75QC5JMF77V5DK \
  | 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: 7538a8ba7d21e82ff602ea585ffebd1ab3f787996b85673d5baf1e1191d44031

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1195bb4ee6bd9f3e48aa953ffc942e1adc5335e1ec19ec5c552e5b92b03fc2a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2022-01-13T10:54:07Z",
    "title_canon_sha256": "69b8997b6be307d2d834e81cd306b83d89ba95b4172b5c82780cb3e28b64f07f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.04883",
    "kind": "arxiv",
    "version": 1
  }
}