Pith Number

pith:RKL7KUCD

pith:1996:RKL7KUCDQRI4KBMNIN2FO3JENM

not attested not anchored not stored refs pending

A numerical approach to binary black hole coalescence

Astronomy Department, Lee Samuel Finn (Physics, Northwestern University)

arxiv:gr-qc/9603004 v1 · 1996-03-05 · 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{RKL7KUCDQRI4KBMNIN2FO3JENM}

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	2026-05-18T01:06:44.679582Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a97f550438451c5058d4374576d246b18b99beecca0ce9fdb4c68ebd358ee27

Aliases

arxiv: gr-qc/9603004 · arxiv_version: gr-qc/9603004v1 · doi: 10.48550/arxiv.gr-qc/9603004 · pith_short_12: RKL7KUCDQRI4 · pith_short_16: RKL7KUCDQRI4KBMN · pith_short_8: RKL7KUCD

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/RKL7KUCDQRI4KBMNIN2FO3JENM \
  | 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: 8a97f550438451c5058d4374576d246b18b99beecca0ce9fdb4c68ebd358ee27

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dfab544111951c6a0598f250e7bca2adfcbc57c3bb40fb3d20a01695971775a1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1996-03-05T19:33:04Z",
    "title_canon_sha256": "f92c757cb2abb70dcd6190dd6f071472fbb0d77b71ee19904c8a8ebd48e6c90e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9603004",
    "kind": "arxiv",
    "version": 1
  }
}