Pith Number

pith:6BQK3OKJ

pith:2013:6BQK3OKJGKFDBEDPX2J26NX7FN

not attested not anchored not stored refs pending

Pfaffian groupoids

Maria Amelia Salazar

arxiv:1306.1164 v2 · 2013-06-05 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6BQK3OKJGKFDBEDPX2J26NX7FN}

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

Fat Lie Theory

Receipt and verification

First computed	2026-05-18T03:21:23.185353Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f060adb949328a30906fbe93af36ff2b4165574f13cacd9c60a039ea0afd75bc

Aliases

arxiv: 1306.1164 · arxiv_version: 1306.1164v2 · doi: 10.48550/arxiv.1306.1164 · pith_short_12: 6BQK3OKJGKFD · pith_short_16: 6BQK3OKJGKFDBEDP · pith_short_8: 6BQK3OKJ

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/6BQK3OKJGKFDBEDPX2J26NX7FN \
  | 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: f060adb949328a30906fbe93af36ff2b4165574f13cacd9c60a039ea0afd75bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac379e87a7fa55f1e3cc7cacf60a9c96d1facc94b065c63b0ea905725bc58bd2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-06-05T16:33:29Z",
    "title_canon_sha256": "cce0dda4b944db83e660ff3c72b387739d5161f83011423bd6888d421baf8862"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.1164",
    "kind": "arxiv",
    "version": 2
  }
}