Pith Number

pith:HPYC5FOQ

pith:2015:HPYC5FOQNAPDG7E4AVQH5Y5UZI

not attested not anchored not stored refs pending

Hamiltonian formulation of the extended Green-Naghdi equations

Yoshimasa Matsuno

arxiv:1503.08520 v1 · 2015-03-30 · 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{HPYC5FOQNAPDG7E4AVQH5Y5UZI}

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	2026-05-18T01:40:49.587763Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3bf02e95d0681e337c9c05607ee3b4ca12b469ccddd3e4eeffcd923b7dd13c7e

Aliases

arxiv: 1503.08520 · arxiv_version: 1503.08520v1 · doi: 10.48550/arxiv.1503.08520 · pith_short_12: HPYC5FOQNAPD · pith_short_16: HPYC5FOQNAPDG7E4 · pith_short_8: HPYC5FOQ

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/HPYC5FOQNAPDG7E4AVQH5Y5UZI \
  | 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: 3bf02e95d0681e337c9c05607ee3b4ca12b469ccddd3e4eeffcd923b7dd13c7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e326e5fa8c6bd1e05fa2ebb81f27c3a5ec42e5a8b2da24666ad964ba49512353",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2015-03-30T01:46:13Z",
    "title_canon_sha256": "ae5e4eb3d6e07661c8a994835f330a12dad5f5a7602de87102b020cf573a2050"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.08520",
    "kind": "arxiv",
    "version": 1
  }
}