Pith Number

pith:BRKLMU4O

pith:2013:BRKLMU4O4GPDXN7NA64F6QJCQE

not attested not anchored not stored refs pending

A survey on cosymplectic geometry

Antonio De Nicola, Beniamino Cappelletti-Montano, Ivan Yudin

arxiv:1305.3704 v3 · 2013-05-16 · math.DG · 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{BRKLMU4O4GPDXN7NA64F6QJCQE}

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	2026-05-18T03:06:34.433259Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c54b6538ee19e3bb7ed07b85f4122813cc0bd0ecdc62ae1b09a0f8696b81467

Aliases

arxiv: 1305.3704 · arxiv_version: 1305.3704v3 · doi: 10.48550/arxiv.1305.3704 · pith_short_12: BRKLMU4O4GPD · pith_short_16: BRKLMU4O4GPDXN7N · pith_short_8: BRKLMU4O

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/BRKLMU4O4GPDXN7NA64F6QJCQE \
  | 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: 0c54b6538ee19e3bb7ed07b85f4122813cc0bd0ecdc62ae1b09a0f8696b81467

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8196d4448155419a744bc44725ebd6327321c512178b1084f4c9c40cce93e524",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-05-16T08:14:58Z",
    "title_canon_sha256": "2c603fced4d871cfbe297af515ee09b46f10ea962299bd391cb6346d9a76d42e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.3704",
    "kind": "arxiv",
    "version": 3
  }
}