Pith Number

pith:RIK235BJ

pith:2012:RIK235BJWVU256PGZ745QKEQ6Z

not attested not anchored not stored refs pending

Evolution of Bulk Scale Factor in Warped Space-time

E. Yusofi, M. Mohsenzadeh

arxiv:1202.4973 v3 · 2012-02-22 · astro-ph.CO · 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{RIK235BJWVU256PGZ745QKEQ6Z}

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	2026-05-18T03:18:40.492766Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a15adf429b569aef9e6cff9d82890f659e309aca2964c452fa2166d459eb228

Aliases

arxiv: 1202.4973 · arxiv_version: 1202.4973v3 · doi: 10.48550/arxiv.1202.4973 · pith_short_12: RIK235BJWVU2 · pith_short_16: RIK235BJWVU256PG · pith_short_8: RIK235BJ

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/RIK235BJWVU256PGZ745QKEQ6Z \
  | 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: 8a15adf429b569aef9e6cff9d82890f659e309aca2964c452fa2166d459eb228

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90b62f62d62e66a6844b638e4b94c341fc52d11b40c73caabd3656b6cd712de3",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-02-22T17:02:13Z",
    "title_canon_sha256": "f5c8f0c18848f20b8e62654361af75b12417e9e2d1565c1c5cfc0a7210c9d5cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.4973",
    "kind": "arxiv",
    "version": 3
  }
}