Pith Number

pith:KOV5HZYT

pith:2009:KOV5HZYT7GM2UO5LEHJY3SV37F

not attested not anchored not stored refs pending

Lagrange-Poincare field equations

Darryl D. Holm, David C.P. Ellis, Francois Gay-Balmaz, Tudor S. Ratiu

arxiv:0910.0874 v1 · 2009-10-05 · nlin.CD · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KOV5HZYT7GM2UO5LEHJY3SV37F}

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	2026-05-18T04:14:53.662682Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53abd3e713f999aa3bab21d38dcabbf9509722771461f644d0efd69445b80cc5

Aliases

arxiv: 0910.0874 · arxiv_version: 0910.0874v1 · doi: 10.48550/arxiv.0910.0874 · pith_short_12: KOV5HZYT7GM2 · pith_short_16: KOV5HZYT7GM2UO5L · pith_short_8: KOV5HZYT

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/KOV5HZYT7GM2UO5LEHJY3SV37F \
  | 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: 53abd3e713f999aa3bab21d38dcabbf9509722771461f644d0efd69445b80cc5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d4c79c5ee41910ba409de691a8087a6ad85d2b03c426891dee7f90a2b0726f2",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.CD",
    "submitted_at": "2009-10-05T21:39:06Z",
    "title_canon_sha256": "bf29e3949e30bf6089b11d10d69ac60853ee565db0d36cb26148313bde3bfe1d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.0874",
    "kind": "arxiv",
    "version": 1
  }
}