Pith Number

pith:L56GZMSF

pith:2004:L56GZMSFV5S2YSW3HUB3DYN7KX

not attested not anchored not stored refs pending

Poisson geometry and Morita equivalence

Alan Weinstein, Henrique Bursztyn

arxiv:math/0402347 v2 · 2004-02-22 · math.SG · 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{L56GZMSFV5S2YSW3HUB3DYN7KX}

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	2026-07-04T14:38:15.433934Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f7c6cb245af65ac4adb3d03b1e1bf55fb27d6bf2086de4a47834ed45a75ab83

Aliases

arxiv: math/0402347 · arxiv_version: math/0402347v2 · doi: 10.48550/arxiv.math/0402347 · pith_short_12: L56GZMSFV5S2 · pith_short_16: L56GZMSFV5S2YSW3 · pith_short_8: L56GZMSF

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/L56GZMSFV5S2YSW3HUB3DYN7KX \
  | 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: 5f7c6cb245af65ac4adb3d03b1e1bf55fb27d6bf2086de4a47834ed45a75ab83

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c462cdd1258c217fb0c3e6faf29df4bf12bd72549149fd6e20c40eaea9d7ae6c",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "",
    "primary_cat": "math.SG",
    "submitted_at": "2004-02-22T02:01:29Z",
    "title_canon_sha256": "1afc3fe27bdf20d64404679655f7a710b94468b2b2d15af7d408c0a61b6ffe9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0402347",
    "kind": "arxiv",
    "version": 2
  }
}