Pith Number

pith:OLXUUAMS

pith:2005:OLXUUAMSHQXC4ZMMITLO7VTOTN

not attested not anchored not stored refs pending

Corners of graph algebras

Tyrone Crisp

arxiv:math/0503626 v1 · 2005-03-28 · 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{OLXUUAMSHQXC4ZMMITLO7VTOTN}

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	2026-05-18T03:37:19.396137Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72ef4a01923c2e2e658c44d6efd66e9b74e6e0587f4748c1c449f4d37a5ea786

Aliases

arxiv: math/0503626 · arxiv_version: math/0503626v1 · doi: 10.48550/arxiv.math/0503626 · pith_short_12: OLXUUAMSHQXC · pith_short_16: OLXUUAMSHQXC4ZMM · pith_short_8: OLXUUAMS

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/OLXUUAMSHQXC4ZMMITLO7VTOTN \
  | 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: 72ef4a01923c2e2e658c44d6efd66e9b74e6e0587f4748c1c449f4d37a5ea786

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92c260f0f57fe64702da5b761605a29feaa86329ac501302f113206f94e29dbb",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.OA",
    "submitted_at": "2005-03-28T06:15:17Z",
    "title_canon_sha256": "f1d4f633f1c52416369fddf54026a2db70a87e86c424403c5868bbb30abd26dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0503626",
    "kind": "arxiv",
    "version": 1
  }
}