Pith Number

pith:NL24VNQ6

pith:2014:NL24VNQ6G3VF4ZCGOJEUDYPZLE

not attested not anchored not stored refs pending

Relational symplectic groupoids

Alberto S. Cattaneo, Ivan Contreras

arxiv:1401.7319 v1 · 2014-01-28 · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NL24VNQ6G3VF4ZCGOJEUDYPZLE}

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	2026-05-18T02:17:12.377174Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6af5cab61e36ea5e6446724941e1f95927b2c6629b62d8b6780f38fb9159b0ac

Aliases

arxiv: 1401.7319 · arxiv_version: 1401.7319v1 · doi: 10.48550/arxiv.1401.7319 · pith_short_12: NL24VNQ6G3VF · pith_short_16: NL24VNQ6G3VF4ZCG · pith_short_8: NL24VNQ6

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/NL24VNQ6G3VF4ZCGOJEUDYPZLE \
  | 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: 6af5cab61e36ea5e6446724941e1f95927b2c6629b62d8b6780f38fb9159b0ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "baa3e0d6894500f0a64325ed4cd825b71568c434854708ef5151f9c5285c9b7f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2014-01-28T20:43:57Z",
    "title_canon_sha256": "0f099010447e9267e405958438e7ef4ed2d40a79c576fdb14d8caef67f67ac74"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.7319",
    "kind": "arxiv",
    "version": 1
  }
}