Pith Number

pith:YEAHUB4W

pith:2000:YEAHUB4WM5M7D2M7PLMWPAVLPQ

not attested not anchored not stored refs pending

Algorithms for Greechie Diagrams

Brendan D. McKay, Mladen Pavicic, Norman D. Megill

arxiv:quant-ph/0009039 v3 · 2000-09-09 · quant-ph · math-ph · math.CO · math.MP · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YEAHUB4WM5M7D2M7PLMWPAVLPQ}

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.

Cited by

1 paper in Pith

Chromatic Quantum Contextuality

Receipt and verification

First computed	2026-07-04T14:45:31.574407Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1007a07966759f1e99f7ad96782ab7c04b65a70cffcf1f7bd57a6f24b3489b3

Aliases

arxiv: quant-ph/0009039 · arxiv_version: quant-ph/0009039v3 · doi: 10.48550/arxiv.quant-ph/0009039 · pith_short_12: YEAHUB4WM5M7 · pith_short_16: YEAHUB4WM5M7D2M7 · pith_short_8: YEAHUB4W

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/YEAHUB4WM5M7D2M7PLMWPAVLPQ \
  | 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: c1007a07966759f1e99f7ad96782ab7c04b65a70cffcf1f7bd57a6f24b3489b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b317cf507637c45bf8120c018bd704a1e20eff6f6e8e603217cde454c8a349c7",
    "cross_cats_sorted": [
      "math-ph",
      "math.CO",
      "math.MP",
      "math.QA"
    ],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2000-09-09T18:14:03Z",
    "title_canon_sha256": "3c7c2431a7037d1cca487335f156e6aa5f6adfe401cbe3f98ceeb2db780994b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0009039",
    "kind": "arxiv",
    "version": 3
  }
}