Pith Number

pith:RBQ5BVA4

pith:2013:RBQ5BVA4UP2YBSATACYCAAXPJY

not attested not anchored not stored refs pending

Brane cosmology from observational surveys and its comparison with standard FRW cosmology

A. V. Astashenok, A. V. Yurov, E. Elizalde, J. de Haro, S. D. Odintsov

arxiv:1301.6344 v1 · 2013-01-27 · gr-qc · astro-ph.CO · hep-th · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RBQ5BVA4UP2YBSATACYCAAXPJY}

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	2026-05-18T01:51:58.150744Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8861d0d41ca3f580c81300b02002ef4e095b6b03d67f3e86bd0afd67907fd976

Aliases

arxiv: 1301.6344 · arxiv_version: 1301.6344v1 · doi: 10.48550/arxiv.1301.6344 · pith_short_12: RBQ5BVA4UP2Y · pith_short_16: RBQ5BVA4UP2YBSAT · pith_short_8: RBQ5BVA4

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/RBQ5BVA4UP2YBSATACYCAAXPJY \
  | 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: 8861d0d41ca3f580c81300b02002ef4e095b6b03d67f3e86bd0afd67907fd976

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95a139732678e85dedfd5e1f435d31cb8f5791897dacdf7a29c6119436eddab9",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-01-27T11:01:26Z",
    "title_canon_sha256": "f8d2a51341d30bba458a55a390d28d314d176978a17740490a41b05981b7fe50"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.6344",
    "kind": "arxiv",
    "version": 1
  }
}