Pith Number

pith:EO4A62YL

pith:1994:EO4A62YLR3IFHMSSRZCUUDJJZO

not attested not anchored not stored refs pending

Colliding Black Holes: The Close Limit

Jorge Pullin, Richard H. Price

arxiv:gr-qc/9402039 v1 · 1994-02-22 · gr-qc · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EO4A62YLR3IFHMSSRZCUUDJJZO}

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

Ringdown Signatures of Dehnen Dark Matter Halos: Fluid Modes and Detectability with Space-Based Detectors

Quasi-Normal Modes of Stars and Black Holes

Receipt and verification

First computed	2026-05-18T04:37:57.247456Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23b80f6b0b8ed053b2528e454a0d29cb8cfb7870cb74276dd62ad432e9b8dd0b

Aliases

arxiv: gr-qc/9402039 · arxiv_version: gr-qc/9402039v1 · doi: 10.48550/arxiv.gr-qc/9402039 · pith_short_12: EO4A62YLR3IF · pith_short_16: EO4A62YLR3IFHMSS · pith_short_8: EO4A62YL

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/EO4A62YLR3IFHMSSRZCUUDJJZO \
  | 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: 23b80f6b0b8ed053b2528e454a0d29cb8cfb7870cb74276dd62ad432e9b8dd0b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "190047b4a775ffeb1a358a9a98f5eb082ddbf5eb1cae8d2e20b7fe45c92d2ea9",
    "cross_cats_sorted": [
      "astro-ph"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1994-02-22T16:17:48Z",
    "title_canon_sha256": "4254ef9f3f7f98506223a81696d176817c251c490d0a1f1a5072502e1bdd71a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9402039",
    "kind": "arxiv",
    "version": 1
  }
}