Pith Number

pith:GYNHWFDK

pith:2022:GYNHWFDKD5CUVC32BHDUPOKVZQ

not attested not anchored not stored refs pending

A Discrete Hamilton--Jacobi Theory for Contact Hamiltonian Dynamics

Cristina Sard\'on, Marcin Zajac, O\u{g}ul Esen

arxiv:2209.05922 v1 · 2022-09-13 · 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{GYNHWFDKD5CUVC32BHDUPOKVZQ}

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	2026-07-05T04:56:51.544100Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

361a7b146a1f454a8b7a09c747b955cc0d34501496041bac99561f24d5b91c81

Aliases

arxiv: 2209.05922 · arxiv_version: 2209.05922v1 · doi: 10.48550/arxiv.2209.05922 · pith_short_12: GYNHWFDKD5CU · pith_short_16: GYNHWFDKD5CUVC32 · pith_short_8: GYNHWFDK

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/GYNHWFDKD5CUVC32BHDUPOKVZQ \
  | 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: 361a7b146a1f454a8b7a09c747b955cc0d34501496041bac99561f24d5b91c81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f33f45c0c5a6f0bec0f554b7145944f218aa3135e3e1b1c3134e0ecd572c0c4e",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2022-09-13T12:11:10Z",
    "title_canon_sha256": "5014258f29acd66b0bb677509addbfaa05b8a37eb613879507ebb5859713bca9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2209.05922",
    "kind": "arxiv",
    "version": 1
  }
}