Pith Number

pith:WXW4Q7IC

pith:2014:WXW4Q7ICA446USVS432GQDMCHU

not attested not anchored not stored refs pending

Double bracket structures on Poisson manifolds

Petre Birtea

arxiv:1402.3958 v1 · 2014-02-17 · 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{WXW4Q7ICA446USVS432GQDMCHU}

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	2026-05-18T02:58:54.994980Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5edc87d020739ea4ab2e6f4680d823d33a8550dd773c9deb5bf42182411143d

Aliases

arxiv: 1402.3958 · arxiv_version: 1402.3958v1 · doi: 10.48550/arxiv.1402.3958 · pith_short_12: WXW4Q7ICA446 · pith_short_16: WXW4Q7ICA446USVS · pith_short_8: WXW4Q7IC

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/WXW4Q7ICA446USVS432GQDMCHU \
  | 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: b5edc87d020739ea4ab2e6f4680d823d33a8550dd773c9deb5bf42182411143d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b69b9fb5124fbf1438790cf70e113ddda11ae5ca4d610d46932fdf37a5e965ac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2014-02-17T11:01:06Z",
    "title_canon_sha256": "88c83e324e4acb1fa8747e12e8960eea9ab64f83925c0ff029e8aa8d7c86837b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.3958",
    "kind": "arxiv",
    "version": 1
  }
}