Pith Number

pith:IV7BUY37

pith:2004:IV7BUY37JQWMTMS2LDVIZDEVMO

not attested not anchored not stored refs pending

Excision boundary conditions for black hole initial data

Gregory B. Cook, Harald P. Pfeiffer

arxiv:gr-qc/0407078 v4 · 2004-07-21 · 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{IV7BUY37JQWMTMS2LDVIZDEVMO}

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

Biased parameter inference of eccentric, spin-precessing binary black holes

Data-Driven Acceleration of Eccentricity Reduction for Binary Black Hole Simulations

Receipt and verification

First computed	2026-07-04T16:47:46.571229Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

457e1a637f4c2cc9b25a58ea8c8c9563832ed68aa3ae7792e799e60c3e06b2ba

Aliases

arxiv: gr-qc/0407078 · arxiv_version: gr-qc/0407078v4 · doi: 10.48550/arxiv.gr-qc/0407078 · pith_short_12: IV7BUY37JQWM · pith_short_16: IV7BUY37JQWMTMS2 · pith_short_8: IV7BUY37

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/IV7BUY37JQWMTMS2LDVIZDEVMO \
  | 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: 457e1a637f4c2cc9b25a58ea8c8c9563832ed68aa3ae7792e799e60c3e06b2ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58473222a58e6f14abc07f56607873b796ca2247264a070796cc3e3032b9441a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2004-07-21T19:34:41Z",
    "title_canon_sha256": "715ec1b44cfa86f7df64cd6774a76bceedc431f77e77f8b4cb45ffc1bd9666c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0407078",
    "kind": "arxiv",
    "version": 4
  }
}