Pith Number

pith:HDYFG325

pith:2012:HDYFG325COWSAGPQBDRQJNRH56

not attested not anchored not stored refs pending

Relational Quadrilateralland. I. The Classical Theory

Edward Anderson

arxiv:1202.4186 v8 · 2012-02-19 · gr-qc · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HDYFG325COWSAGPQBDRQJNRH56}

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	2026-05-18T03:02:43.969504Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38f0536f5d13ad2019f008e304b627efb1b8d1237cfa2a60ba09a13a05246273

Aliases

arxiv: 1202.4186 · arxiv_version: 1202.4186v8 · doi: 10.48550/arxiv.1202.4186 · pith_short_12: HDYFG325COWS · pith_short_16: HDYFG325COWSAGPQ · pith_short_8: HDYFG325

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/HDYFG325COWSAGPQBDRQJNRH56 \
  | 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: 38f0536f5d13ad2019f008e304b627efb1b8d1237cfa2a60ba09a13a05246273

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a96675e468ebb662d61151c29700a0a1eb4ca8d91059f576c655bd894b28258",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-02-19T21:10:36Z",
    "title_canon_sha256": "8be7ed38b411f129eccfd96b746e5dd74bf28401fc27b0ba9b63ce530051ae6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.4186",
    "kind": "arxiv",
    "version": 8
  }
}