Pith Number

pith:4GOBDYLB

pith:2013:4GOBDYLBENPM7QPMURDZ7ACFUJ

not attested not anchored not stored refs pending

Apparent horizons in Clifton-Mota-Barrow inhomogeneous universe

Stefano Liberati, Thomas P. Sotiriou, Valerio Faraoni, Vincenzo Vitagliano

arxiv:1302.7150 v1 · 2013-02-28 · 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{4GOBDYLBENPM7QPMURDZ7ACFUJ}

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	2026-05-18T03:32:16.571229Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e19c11e161235ecfc1eca4479f8045a26b378ee858689db4cb9bfccd0c67fcf2

Aliases

arxiv: 1302.7150 · arxiv_version: 1302.7150v1 · doi: 10.48550/arxiv.1302.7150 · pith_short_12: 4GOBDYLBENPM · pith_short_16: 4GOBDYLBENPM7QPM · pith_short_8: 4GOBDYLB

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/4GOBDYLBENPM7QPMURDZ7ACFUJ \
  | 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: e19c11e161235ecfc1eca4479f8045a26b378ee858689db4cb9bfccd0c67fcf2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5a81c287b55f082e3479b9e2f67550753f547f81bcf4661e3a714aaed3fc551",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-02-28T11:03:59Z",
    "title_canon_sha256": "d3f35c12fa153d749f8b73573512be8beebb22bcf18c4b11812eb57c564ddbcb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.7150",
    "kind": "arxiv",
    "version": 1
  }
}