Pith Number

pith:AZJH4FOR

pith:2012:AZJH4FOREBOKBXC3YAJITHUNIZ

not attested not anchored not stored refs pending

Extending the generalized Chaplygin gas model by using geometrothermodynamics

Alejandro Aviles, Aztl\'an Bastarrachea-Almodovar, Hernando Quevedo, Lorena Campuzano

arxiv:1203.4637 v2 · 2012-03-21 · gr-qc · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AZJH4FOREBOKBXC3YAJITHUNIZ}

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	2026-05-18T03:22:43.063862Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06527e15d1205ca0dc5bc012899e8d4647c6239e1f0a4c5269ddf782228d0771

Aliases

arxiv: 1203.4637 · arxiv_version: 1203.4637v2 · doi: 10.48550/arxiv.1203.4637 · pith_short_12: AZJH4FOREBOK · pith_short_16: AZJH4FOREBOKBXC3 · pith_short_8: AZJH4FOR

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/AZJH4FOREBOKBXC3YAJITHUNIZ \
  | 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: 06527e15d1205ca0dc5bc012899e8d4647c6239e1f0a4c5269ddf782228d0771

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0becc0c45cada1a84d15824b62e645a55e8587ed384cc48f3c4ef0eaf3165be0",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-03-21T02:29:27Z",
    "title_canon_sha256": "af1f31348adbc795a29735ee667e9c06eccc1fec892d734cf725ea49fb2d7763"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.4637",
    "kind": "arxiv",
    "version": 2
  }
}