Pith Number

pith:PBIH2E2A

pith:2011:PBIH2E2AIMNFOERZSRF2EKOCMF

not attested not anchored not stored refs pending

On AZ-style identity

Cheng Yeaw Ku, Kok Bin Wong

arxiv:1107.1296 v1 · 2011-07-07 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PBIH2E2AIMNFOERZSRF2EKOCMF}

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	2026-05-18T04:18:44.216269Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78507d1340431a571239944ba229c261578b8caec22bd0f85f1a3f3092eb8e57

Aliases

arxiv: 1107.1296 · arxiv_version: 1107.1296v1 · doi: 10.48550/arxiv.1107.1296 · pith_short_12: PBIH2E2AIMNF · pith_short_16: PBIH2E2AIMNFOERZ · pith_short_8: PBIH2E2A

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/PBIH2E2AIMNFOERZSRF2EKOCMF \
  | 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: 78507d1340431a571239944ba229c261578b8caec22bd0f85f1a3f3092eb8e57

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b62c14715341ece5b2e25160cafdb45c6f7c89329eff85a261c402db20eb873a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2011-07-07T05:02:23Z",
    "title_canon_sha256": "001bcceacb2ec00f44094e4a3b72f288b22d7cb325ce429afd2edd857514b6ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.1296",
    "kind": "arxiv",
    "version": 1
  }
}