Pith Number

pith:3WRLEDJS

pith:2018:3WRLEDJSFH6WCHENQIVVRUE2EX

not attested not anchored not stored refs pending

Bigalois extensions and the graph isomorphism game

Alexandru Chirvasitu, Kari Eifler, Mateusz Wasilewski, Michael Brannan, Samuel Harris, Vern Paulsen, Xiaoyu Su

arxiv:1812.11474 v2 · 2018-12-30 · math-ph · math.MP · math.OA · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3WRLEDJSFH6WCHENQIVVRUE2EX}

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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.

Cited by

1 paper in Pith

Bisynchronous Games and Factorizable Maps

Receipt and verification

First computed	2026-07-05T01:48:24.516299Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dda2b20d3229fd611c8d822b58d09a25d83c4288bfe8156384b9db9da9b20318

Aliases

arxiv: 1812.11474 · arxiv_version: 1812.11474v2 · doi: 10.48550/arxiv.1812.11474 · pith_short_12: 3WRLEDJSFH6W · pith_short_16: 3WRLEDJSFH6WCHEN · pith_short_8: 3WRLEDJS

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/3WRLEDJSFH6WCHENQIVVRUE2EX \
  | 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: dda2b20d3229fd611c8d822b58d09a25d83c4288bfe8156384b9db9da9b20318

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39d687c8baaa5a7c39c10f7210db5d10e69de121fd322ad5c5ca3ad2a49aa633",
    "cross_cats_sorted": [
      "math.MP",
      "math.OA",
      "math.QA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2018-12-30T06:10:33Z",
    "title_canon_sha256": "89b95bfc5dbcec280561c068c006f8f77d7929285a0569760faeb5ae6970885b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.11474",
    "kind": "arxiv",
    "version": 2
  }
}