Pith Number

pith:WSQJOVQE

pith:2004:WSQJOVQEFHWNS6MDEB7SPYCGTX

not attested not anchored not stored refs pending

Cyclotomic and simplicial matroids

Jeremy Martin, Victor Reiner

arxiv:math/0402206 v1 · 2004-02-12 · math.CO · math.NT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WSQJOVQEFHWNS6MDEB7SPYCGTX}

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	2026-05-18T04:11:40.938134Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4a097560429ecd97983207f27e0469de20b8367833feccfbdcd70e28e22d46a

Aliases

arxiv: math/0402206 · arxiv_version: math/0402206v1 · doi: 10.48550/arxiv.math/0402206 · pith_short_12: WSQJOVQEFHWN · pith_short_16: WSQJOVQEFHWNS6MD · pith_short_8: WSQJOVQE

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/WSQJOVQEFHWNS6MDEB7SPYCGTX \
  | 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: b4a097560429ecd97983207f27e0469de20b8367833feccfbdcd70e28e22d46a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b7733595e9d745834bd8dbe3bf0bc1c2fdabeca8929171f8f03e8da4bab01b6f",
    "cross_cats_sorted": [
      "math.NT"
    ],
    "license": "",
    "primary_cat": "math.CO",
    "submitted_at": "2004-02-12T16:59:39Z",
    "title_canon_sha256": "0659761de5887656ee72b56cc8daf7dff1dfa56007d5b41960080dd13d5d7480"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0402206",
    "kind": "arxiv",
    "version": 1
  }
}