Pith Number

pith:EF73RKMZ

pith:2013:EF73RKMZNRL7PDGGO6ECBWLWAZ

not attested not anchored not stored refs pending

Deformations of the Poisson brackets and the Kowalevski top

A. V. Tsiganov, Yu.A. Grigorev

arxiv:1310.8032 v2 · 2013-10-30 · nlin.SI · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EF73RKMZNRL7PDGGO6ECBWLWAZ}

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	2026-05-18T03:01:45.931755Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

217fb8a9996c57f78cc6778820d97606553c4af9706d8ac0e7e1f232ec3cbed3

Aliases

arxiv: 1310.8032 · arxiv_version: 1310.8032v2 · doi: 10.48550/arxiv.1310.8032 · pith_short_12: EF73RKMZNRL7 · pith_short_16: EF73RKMZNRL7PDGG · pith_short_8: EF73RKMZ

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/EF73RKMZNRL7PDGGO6ECBWLWAZ \
  | 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: 217fb8a9996c57f78cc6778820d97606553c4af9706d8ac0e7e1f232ec3cbed3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5fe41c9ddbd7b57aac470fcb2b369aae1a072fb6f0df3789616708d9efd7ebac",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2013-10-30T05:36:15Z",
    "title_canon_sha256": "03047829cf4517ba3a1269b821823ef8e5fc286fb9e778a4cc2d751cd33840f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.8032",
    "kind": "arxiv",
    "version": 2
  }
}