Pith Number

pith:AWKBK7XE

pith:2013:AWKBK7XEQUADBPWYQONZREBL3C

not attested not anchored not stored refs pending

Hamiltonian operators of Dubrovin-Novikov type in 2D

A. Savoldi, E.V. Ferapontov, P. Lorenzoni

arxiv:1312.0475 v1 · 2013-12-02 · math.DG · math-ph · math.MP · nlin.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AWKBK7XEQUADBPWYQONZREBL3C}

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	2026-05-18T01:45:59.847923Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0594157ee4850030bed8839b98902bd88a317ae942263447de2af454ff9951ab

Aliases

arxiv: 1312.0475 · arxiv_version: 1312.0475v1 · doi: 10.48550/arxiv.1312.0475 · pith_short_12: AWKBK7XEQUAD · pith_short_16: AWKBK7XEQUADBPWY · pith_short_8: AWKBK7XE

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/AWKBK7XEQUADBPWYQONZREBL3C \
  | 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: 0594157ee4850030bed8839b98902bd88a317ae942263447de2af454ff9951ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74c382404d8dc6348c53cf14dcea8cc5f4a650c6ff2b5bb5f183d3d77827bc12",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-12-02T14:48:40Z",
    "title_canon_sha256": "2dba922a43822012ef5d5378cbcbd8d21b8549634d1f03243c348de5dc256003"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.0475",
    "kind": "arxiv",
    "version": 1
  }
}