Pith Number

pith:O72JREZO

pith:2007:O72JREZOR22EM2RQPWX4B3ZPFQ

not attested not anchored not stored refs pending

Interacting generalized Chaplygin gas model in non-flat universe

M R Setare

arxiv:0711.0524 v1 · 2007-11-04 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O72JREZOR22EM2RQPWX4B3ZPFQ}

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	2026-05-18T04:38:48.859182Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77f498932e8eb4466a307dafc0ef2f2c27ddd93cf24935a31198fd6492ce221b

Aliases

arxiv: 0711.0524 · arxiv_version: 0711.0524v1 · doi: 10.48550/arxiv.0711.0524 · pith_short_12: O72JREZOR22E · pith_short_16: O72JREZOR22EM2RQ · pith_short_8: O72JREZO

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/O72JREZOR22EM2RQPWX4B3ZPFQ \
  | 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: 77f498932e8eb4466a307dafc0ef2f2c27ddd93cf24935a31198fd6492ce221b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3ed843effdba716c648d4ba049c7a77aeea0abd8c6f58e5e811171a8e7dcc5c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2007-11-04T14:46:50Z",
    "title_canon_sha256": "b98cb607c2b50c3ab843de15a9d1190615168b96787376ee80e6fbe2c2290133"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0711.0524",
    "kind": "arxiv",
    "version": 1
  }
}