Pith Number

pith:OW6PFWBX

pith:2012:OW6PFWBXUQLA7YFYM3PIMLAL36

not attested not anchored not stored refs pending

Conformal time dependent Painleve-Gullstrand spacetime

Hristu Culetu

arxiv:1202.2285 v2 · 2012-02-10 · gr-qc · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OW6PFWBXUQLA7YFYM3PIMLAL36}

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.

Cited by

2 papers in Pith

Cosmological Black hole Candidates: A Detailed Analysis of McVittie, Culetu, Sultana-Dyer, and Glass-Mashhoon Spacetimes

Dynamical black holes in the inflationary epoch

Receipt and verification

First computed	2026-05-18T03:59:39.667340Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75bcf2d837a4160fe0b866de862c0bdf8ae19653f964171fce09d15cfad8b3bf

Aliases

arxiv: 1202.2285 · arxiv_version: 1202.2285v2 · doi: 10.48550/arxiv.1202.2285 · pith_short_12: OW6PFWBXUQLA · pith_short_16: OW6PFWBXUQLA7YFY · pith_short_8: OW6PFWBX

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/OW6PFWBXUQLA7YFYM3PIMLAL36 \
  | 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: 75bcf2d837a4160fe0b866de862c0bdf8ae19653f964171fce09d15cfad8b3bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb226d3832b97872d1290e615b0eb4919354a029cbb1a0cdf468a39562e72f65",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-02-10T15:42:30Z",
    "title_canon_sha256": "3d4b95bb5d69085a218ae9ef62e882402674a4efe532760869144a891f25a0a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.2285",
    "kind": "arxiv",
    "version": 2
  }
}