Pith Number

pith:EY7IDWBE

pith:2011:EY7IDWBEKDCQBKKKSAINRFR62L

not attested not anchored not stored refs pending

Dispersive deformations of Hamiltonian systems of hydrodynamic type in 2+1 dimensions

E.V. Ferapontov, N.M. Stoilov, V.S. Novikov

arxiv:1108.4365 v1 · 2011-08-22 · nlin.SI · 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{EY7IDWBEKDCQBKKKSAINRFR62L}

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	2026-05-18T02:00:49.782806Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

263e81d82450c500a94a9010d8963ed2ea618df68dd1b2fe9257a99f9c6f164c

Aliases

arxiv: 1108.4365 · arxiv_version: 1108.4365v1 · doi: 10.48550/arxiv.1108.4365 · pith_short_12: EY7IDWBEKDCQ · pith_short_16: EY7IDWBEKDCQBKKK · pith_short_8: EY7IDWBE

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/EY7IDWBEKDCQBKKKSAINRFR62L \
  | 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: 263e81d82450c500a94a9010d8963ed2ea618df68dd1b2fe9257a99f9c6f164c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "230c0a6e84984d1db2157a158bd59c5a265ee6a95b1f9273c54293c7071299ce",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2011-08-22T16:11:57Z",
    "title_canon_sha256": "bed35cdfe23042c31c878e0507b51f18abcbd6a7c2f7d91305f7a42378de12f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.4365",
    "kind": "arxiv",
    "version": 1
  }
}