Pith Number

pith:267XGOF2

pith:2012:267XGOF275JFWNPBABZMMU3TIV

not attested not anchored not stored refs pending

Black Hole Universe: Construction and Analysis of Initial Data

Chul-Moon Yoo, Hiroyuki Abe, Ken-ichi Nakao, Yohsuke Takamori

arxiv:1204.2411 v2 · 2012-04-11 · gr-qc · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{267XGOF275JFWNPBABZMMU3TIV}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T03:22:42.182130Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7bf7338baff525b35e10072c653734559cd2865cb27cbc3012503e206f2a800

Aliases

arxiv: 1204.2411 · arxiv_version: 1204.2411v2 · doi: 10.48550/arxiv.1204.2411 · pith_short_12: 267XGOF275JF · pith_short_16: 267XGOF275JFWNPB · pith_short_8: 267XGOF2

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/267XGOF275JFWNPBABZMMU3TIV \
  | 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: d7bf7338baff525b35e10072c653734559cd2865cb27cbc3012503e206f2a800

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1754234fb74a839f7facc50283fd672babc81459015fcc9cf038b10aa708eb90",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-04-11T10:57:37Z",
    "title_canon_sha256": "4b65a5ae6df90676f81f581ebda38f720d95a9a9b3756e860c6943f539a8fa2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.2411",
    "kind": "arxiv",
    "version": 2
  }
}