Pith Number

pith:2ZFQ52FF

pith:2010:2ZFQ52FFV26ZXPIQMNE3O476QL

not attested not anchored not stored refs pending

Formes normales pour les champs conformes pseudo-riemanniens

Charles Frances, Karin Melnick

arxiv:1008.3781 v2 · 2010-08-23 · math.DG · gr-qc · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2ZFQ52FFV26ZXPIQMNE3O476QL}

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	2026-05-18T03:45:23.407777Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d64b0ee8a5aebd9bbd106349b773fe82ca6dc1f1a48ddeb877e86716069f9907

Aliases

arxiv: 1008.3781 · arxiv_version: 1008.3781v2 · doi: 10.48550/arxiv.1008.3781 · pith_short_12: 2ZFQ52FFV26Z · pith_short_16: 2ZFQ52FFV26ZXPIQ · pith_short_8: 2ZFQ52FF

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/2ZFQ52FFV26ZXPIQMNE3O476QL \
  | 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: d64b0ee8a5aebd9bbd106349b773fe82ca6dc1f1a48ddeb877e86716069f9907

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f949a84726affb9016807c35f40b17d6df0a816297b2bc72f38a1860bb5ba452",
    "cross_cats_sorted": [
      "gr-qc",
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2010-08-23T09:29:26Z",
    "title_canon_sha256": "f54ba3602470a9878262f49112658e6aec96ca79cd9eb6593d558f9b8c024d8e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.3781",
    "kind": "arxiv",
    "version": 2
  }
}