Pith Number

pith:4DOMO5DC

pith:2018:4DOMO5DCKZZAPN3NGNUJUQBCMA

not attested not anchored not stored refs pending

On the contact geometry and the Poisson geometry of the ideal gas

J.M. Isidro, P. Fernandez de Cordoba

arxiv:1802.04091 v2 · 2018-02-12 · math-ph · math.MP · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4DOMO5DCKZZAPN3NGNUJUQBCMA}

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	2026-05-18T00:19:32.879033Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0dcc77462567207b76d33689a4022600e0db658c3c0f1bb2cebdee86f2afd78

Aliases

arxiv: 1802.04091 · arxiv_version: 1802.04091v2 · doi: 10.48550/arxiv.1802.04091 · pith_short_12: 4DOMO5DCKZZA · pith_short_16: 4DOMO5DCKZZAPN3N · pith_short_8: 4DOMO5DC

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/4DOMO5DCKZZAPN3NGNUJUQBCMA \
  | 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: e0dcc77462567207b76d33689a4022600e0db658c3c0f1bb2cebdee86f2afd78

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac4eb1d0db2b2c6b4c6a5888f547a0e276ab0e780ecd135b4df6ebbd3d9fb812",
    "cross_cats_sorted": [
      "math.MP",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2018-02-12T15:00:00Z",
    "title_canon_sha256": "b9f28ab6e64e575c69bd0833da9e2ccd9bfc0f673d6b47f066539caec72ddfb1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.04091",
    "kind": "arxiv",
    "version": 2
  }
}