Pith Number

pith:OJBVYI2S

pith:2019:OJBVYI2SGGTWZNVP5WC5SGCCVT

not attested not anchored not stored refs pending

Integrable Hamiltonian Hierarchies and Lagrangian 1-Forms

Chisanupong Puttarprom, Sikarin Yoo-Kong, Worapat Piensuk

arxiv:1904.00582 v2 · 2019-04-01 · math-ph · math.MP · nlin.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OJBVYI2SGGTWZNVP5WC5SGCCVT}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:41:42.583421Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72435c235231a76cb6afed85d91842acff7c9aa6a7ac846c92d6b333eeea265e

Aliases

arxiv: 1904.00582 · arxiv_version: 1904.00582v2 · doi: 10.48550/arxiv.1904.00582 · pith_short_12: OJBVYI2SGGTW · pith_short_16: OJBVYI2SGGTWZNVP · pith_short_8: OJBVYI2S

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/OJBVYI2SGGTWZNVP5WC5SGCCVT \
  | 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: 72435c235231a76cb6afed85d91842acff7c9aa6a7ac846c92d6b333eeea265e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0679cddae11b80966a9213c0a22886a74c169881d40ef942209355e38404a349",
    "cross_cats_sorted": [
      "math.MP",
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2019-04-01T06:31:20Z",
    "title_canon_sha256": "6ae3cde2ed527dd39358d3c88c1dca502ae33c2bd78e821bbb4441cbf6717881"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.00582",
    "kind": "arxiv",
    "version": 2
  }
}