Pith Number

pith:OXXZ647K

pith:2001:OXXZ647KP35OJIRA4CSEUTKWKT

not attested not anchored not stored refs pending

Complete null data for a black hole collision

Jeffrey Winicour, Roberto Gomez, Sascha Husa

arxiv:gr-qc/0101047 v1 · 2001-01-12 · 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{OXXZ647KP35OJIRA4CSEUTKWKT}

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	2026-05-18T00:37:32.187683Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75ef9f73ea7efae4a220e0a44a4d5654d2a4fa5db71d82a1f7bab8c381a1424e

Aliases

arxiv: gr-qc/0101047 · arxiv_version: gr-qc/0101047v1 · doi: 10.48550/arxiv.gr-qc/0101047 · pith_short_12: OXXZ647KP35O · pith_short_16: OXXZ647KP35OJIRA · pith_short_8: OXXZ647K

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/OXXZ647KP35OJIRA4CSEUTKWKT \
  | 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: 75ef9f73ea7efae4a220e0a44a4d5654d2a4fa5db71d82a1f7bab8c381a1424e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cdab69ee68724c15bdd185eff7cf584153b982939c6aaea9213085fd260a975f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2001-01-12T16:10:39Z",
    "title_canon_sha256": "178659355225ee7cf8544b7158452a1facb313f2703d6ac3a9c7a0bf681a3872"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0101047",
    "kind": "arxiv",
    "version": 1
  }
}