Pith Number

pith:CRRGQGVB

pith:2013:CRRGQGVBYIDASXA3DZSK74MMMB

not attested not anchored not stored refs pending

Extending FO(ID) with Knowledge Producing Definitions: Preliminary Results

Joost Vennekens, Marc Denecker

arxiv:1301.1395 v1 · 2013-01-08 · cs.LO · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CRRGQGVBYIDASXA3DZSK74MMMB}

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	2026-05-18T03:36:57.618263Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1462681aa1c206095c1b1e64aff18c605b183cd935e626b1bae7a6ffb8929e39

Aliases

arxiv: 1301.1395 · arxiv_version: 1301.1395v1 · doi: 10.48550/arxiv.1301.1395 · pith_short_12: CRRGQGVBYIDA · pith_short_16: CRRGQGVBYIDASXA3 · pith_short_8: CRRGQGVB

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/CRRGQGVBYIDASXA3DZSK74MMMB \
  | 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: 1462681aa1c206095c1b1e64aff18c605b183cd935e626b1bae7a6ffb8929e39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac9c9271e77d6a74c663be92ef7714e70973bae1ce0b42b1ded607c001fb6deb",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2013-01-08T02:30:01Z",
    "title_canon_sha256": "c0207e5419e8a7576e35066dfda1c5b07ff988d223ad3f11638c066922c67eec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.1395",
    "kind": "arxiv",
    "version": 1
  }
}