Pith Number

pith:7ENC3M6X

pith:2008:7ENC3M6X2ZZKLXXTYQKSYKVBI3

not attested not anchored not stored refs pending

Courant algebroids and Poisson Geometry

David Li-Bland, Eckhard Meinrenken

arxiv:0811.4554 v3 · 2008-11-27 · 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{7ENC3M6X2ZZKLXXTYQKSYKVBI3}

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

Generalised Complex and Spinor Relations

Receipt and verification

First computed	2026-05-18T03:05:36.042297Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f91a2db3d7d672a5def3c4152c2aa146ea399d05fd119c13f22632133760d87f

Aliases

arxiv: 0811.4554 · arxiv_version: 0811.4554v3 · doi: 10.48550/arxiv.0811.4554 · pith_short_12: 7ENC3M6X2ZZK · pith_short_16: 7ENC3M6X2ZZKLXXT · pith_short_8: 7ENC3M6X

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/7ENC3M6X2ZZKLXXTYQKSYKVBI3 \
  | 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: f91a2db3d7d672a5def3c4152c2aa146ea399d05fd119c13f22632133760d87f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22329795a38570308b0acc3be73775532bb727088e574cda03850aa0358a64e8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2008-11-27T14:32:09Z",
    "title_canon_sha256": "74ae4e709ac4885fe59b7f01aed7d146850e62cd0899145405b2cb0c3118c930"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0811.4554",
    "kind": "arxiv",
    "version": 3
  }
}