Pith Number

pith:T4UHYR6Y

pith:2008:T4UHYR6YHGKBDCUIK6KDWBDYYO

not attested not anchored not stored refs pending

Algebraic Classification of Numerical Spacetimes and Black-Hole-Binary Remnants

Carlos O. Lousto, Manuela Campanelli, Yosef Zlochower

arxiv:0811.3006 v2 · 2008-11-18 · 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{T4UHYR6YHGKBDCUIK6KDWBDYYO}

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

Tests of General Relativity with Binary Black Holes from the second LIGO-Virgo Gravitational-Wave Transient Catalog

GW250114: testing Hawking's area law and the Kerr nature of black holes

Receipt and verification

First computed	2026-05-18T02:15:14.063057Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f287c47d83994118a8857943b0478c3a99d525b8c2313e5dc9dad8217281e7e

Aliases

arxiv: 0811.3006 · arxiv_version: 0811.3006v2 · doi: 10.48550/arxiv.0811.3006 · pith_short_12: T4UHYR6YHGKB · pith_short_16: T4UHYR6YHGKBDCUI · pith_short_8: T4UHYR6Y

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/T4UHYR6YHGKBDCUIK6KDWBDYYO \
  | 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: 9f287c47d83994118a8857943b0478c3a99d525b8c2313e5dc9dad8217281e7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a0d8f8d6a9fd855d2211dd4688dcdac703427dfc709d196372fbd7f0e053e3a",
    "cross_cats_sorted": [
      "astro-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2008-11-18T21:25:48Z",
    "title_canon_sha256": "cdd5371894ae65a7ca3f6523f843af53eff17e4949d94ef8d1b0400d8011c554"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0811.3006",
    "kind": "arxiv",
    "version": 2
  }
}