Pith Number

pith:GFMZCAAK

pith:2008:GFMZCAAKDUZUP6ZNSYCPIKZ547

not attested not anchored not stored refs pending

Geometric Properties of Assur Graphs

Brigitte Servatius, Offer Shai, Walter Whiteley

arxiv:0801.4113 v1 · 2008-01-27 · math.MG · 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{GFMZCAAKDUZUP6ZNSYCPIKZ547}

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	2026-05-18T01:05:13.821345Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

315991000a1d3347fb2d9604f42b3de7f5e41f7ca41a9045738e07d8ee29a910

Aliases

arxiv: 0801.4113 · arxiv_version: 0801.4113v1 · doi: 10.48550/arxiv.0801.4113 · pith_short_12: GFMZCAAKDUZU · pith_short_16: GFMZCAAKDUZUP6ZN · pith_short_8: GFMZCAAK

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/GFMZCAAKDUZUP6ZNSYCPIKZ547 \
  | 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: 315991000a1d3347fb2d9604f42b3de7f5e41f7ca41a9045738e07d8ee29a910

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12f76ff6e28217d3e9864753adec82935df93595551b0e35ced6dd9add7209a8",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "",
    "primary_cat": "math.MG",
    "submitted_at": "2008-01-27T04:22:13Z",
    "title_canon_sha256": "494a84ab8de0c34c69284be97e44e63688902071e3c7486066f1d9a668a272d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0801.4113",
    "kind": "arxiv",
    "version": 1
  }
}