Pith Number

pith:LJR6WGVB

pith:2005:LJR6WGVBBR5FGDOQ4BXMWNRVFY

not attested not anchored not stored refs pending

Covariant Poisson structures on complex Grassmannians

A. J.-L. Sheu, N. Ciccoli

arxiv:math/0503218 v1 · 2005-03-11 · math.SG · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LJR6WGVBBR5FGDOQ4BXMWNRVFY}

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	2026-07-04T14:39:47.121110Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a63eb1aa10c7a530dd0e06ecb36352e3f8c340cb3a89790211298ebd0bd3893

Aliases

arxiv: math/0503218 · arxiv_version: math/0503218v1 · doi: 10.48550/arxiv.math/0503218 · pith_short_12: LJR6WGVBBR5F · pith_short_16: LJR6WGVBBR5FGDOQ · pith_short_8: LJR6WGVB

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/LJR6WGVBBR5FGDOQ4BXMWNRVFY \
  | 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: 5a63eb1aa10c7a530dd0e06ecb36352e3f8c340cb3a89790211298ebd0bd3893

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab55b374502b9a7dffa248de6058e62e7af8943773a6bc49555d91cfeda5e2ca",
    "cross_cats_sorted": [
      "math.QA"
    ],
    "license": "",
    "primary_cat": "math.SG",
    "submitted_at": "2005-03-11T15:17:12Z",
    "title_canon_sha256": "442ed3d1277fc9a99ef98c83fadeb499172b6fb168565ec3ee4ac100c0665d3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0503218",
    "kind": "arxiv",
    "version": 1
  }
}