Pith Number

pith:ICHII2TG

pith:2002:ICHII2TGEPVICRXIVMFG4TGIY6

not attested not anchored not stored refs pending

Flow equivalence of graph algebras

David Pask, Teresa Bates

arxiv:math/0212241 v2 · 2002-12-18 · math.OA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ICHII2TGEPVICRXIVMFG4TGIY6}

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	2026-05-18T01:05:29.182977Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

408e846a6623ea8146e8ab0a6e4cc8c79d29a6e91c777b1f12284e55a72717cd

Aliases

arxiv: math/0212241 · arxiv_version: math/0212241v2 · doi: 10.48550/arxiv.math/0212241 · pith_short_12: ICHII2TGEPVI · pith_short_16: ICHII2TGEPVICRXI · pith_short_8: ICHII2TG

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/ICHII2TGEPVICRXIVMFG4TGIY6 \
  | 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: 408e846a6623ea8146e8ab0a6e4cc8c79d29a6e91c777b1f12284e55a72717cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "285cc7de2aaed6dbf899b92f5455ae1da199874c2d643e77dc1e10ea69363d6b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.OA",
    "submitted_at": "2002-12-18T05:02:34Z",
    "title_canon_sha256": "123be3b06d325f8d9b2d73d3782172eee9367f2f75fed6ba6e4710c84a76f759"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0212241",
    "kind": "arxiv",
    "version": 2
  }
}