Pith Number

pith:6ZC7KC46

pith:2005:6ZC7KC46ASIXESB4QAI4OBK25K

not attested not anchored not stored refs pending

Tables, Memorized Semirings and Applications

Cyrille Bertelle (LIH), G\'erard Henry Edmond Duchamp (LIPN), Khalaf Khatatneh (LIFAR)

arxiv:cs/0502081 v1 · 2005-02-20 · cs.MA · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6ZC7KC46ASIXESB4QAI4OBK25K}

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	2026-05-18T01:08:55.112338Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f645f50b9e049172483c8011c7055aeaa931385dd5a019a12d811d8075f36d5c

Aliases

arxiv: cs/0502081 · arxiv_version: cs/0502081v1 · doi: 10.48550/arxiv.cs/0502081 · pith_short_12: 6ZC7KC46ASIX · pith_short_16: 6ZC7KC46ASIXESB4 · pith_short_8: 6ZC7KC46

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/6ZC7KC46ASIXESB4QAI4OBK25K \
  | 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: f645f50b9e049172483c8011c7055aeaa931385dd5a019a12d811d8075f36d5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6aa73f37f0f42a7f8b3ba08d5e8762c7d79491a46e83f8482d3c5cd5dcbdad6c",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "",
    "primary_cat": "cs.MA",
    "submitted_at": "2005-02-20T09:08:03Z",
    "title_canon_sha256": "1855d25113a805947e699c49e166ae99467b8cdaf9808b1b011a898c6f08f37e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0502081",
    "kind": "arxiv",
    "version": 1
  }
}