Pith Number

pith:RGOOMYBN

pith:2010:RGOOMYBN5M3JVIHHU46PJMGSYA

not attested not anchored not stored refs pending

Polytropic and Chaplygin f(R)-gravity models

K. Karami, M. S. Khaledian

arxiv:1010.2639 v2 · 2010-10-13 · physics.gen-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{RGOOMYBN5M3JVIHHU46PJMGSYA}

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	2026-05-18T02:23:45.860603Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

899ce6602deb369aa0e7a73cf4b0d2c03aac25fa82846d77065aadf1ce012f46

Aliases

arxiv: 1010.2639 · arxiv_version: 1010.2639v2 · doi: 10.48550/arxiv.1010.2639 · pith_short_12: RGOOMYBN5M3J · pith_short_16: RGOOMYBN5M3JVIHH · pith_short_8: RGOOMYBN

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/RGOOMYBN5M3JVIHHU46PJMGSYA \
  | 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: 899ce6602deb369aa0e7a73cf4b0d2c03aac25fa82846d77065aadf1ce012f46

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "287e28c247ab681dc2348b0c210b277b7100cead04e6ad0c8e74a2299560431f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2010-10-13T11:51:10Z",
    "title_canon_sha256": "10950f99f89e269c0ed1cd1363140f4368c304224ba36ba1ce534dd565b6a517"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.2639",
    "kind": "arxiv",
    "version": 2
  }
}