Pith Number

pith:Z6AHINHR

pith:2008:Z6AHINHR5VIFKD5OTYTMTO56YK

not attested not anchored not stored refs pending

The final mass and spin of black hole mergers

Pedro Marronetti, Wolfgang Tichy

arxiv:0807.2985 v2 · 2008-07-18 · 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{Z6AHINHR5VIFKD5OTYTMTO56YK}

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

6 papers in Pith

Evidence for additional structure in the effective spin distribution hints at multiple formation pathways in GWTC-5.0

Cusp Formation in Merging Black Hole Horizons

Disentangling spinning and nonspinning binary black hole populations with spin sorting

Surrogate models for precessing binary black hole simulations with unequal masses

Cusp Formation in Merging Black Hole Horizons

Receipt and verification

First computed	2026-07-04T15:29:07.722430Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf807434f1ed50550fae9e26c9bbbec28891c7dea75e803985010359f26c1f6f

Aliases

arxiv: 0807.2985 · arxiv_version: 0807.2985v2 · doi: 10.48550/arxiv.0807.2985 · pith_short_12: Z6AHINHR5VIF · pith_short_16: Z6AHINHR5VIFKD5O · pith_short_8: Z6AHINHR

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/Z6AHINHR5VIFKD5OTYTMTO56YK \
  | 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: cf807434f1ed50550fae9e26c9bbbec28891c7dea75e803985010359f26c1f6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0856425a9d3772f4b2e9ddc2c6d3c4b5d04243800124b29a3fcc1c19ca87305b",
    "cross_cats_sorted": [
      "astro-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2008-07-18T14:52:03Z",
    "title_canon_sha256": "227c8c3698f9cbfe1986fc227b2f7e571a2c242ef8a434037520a89e90829170"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.2985",
    "kind": "arxiv",
    "version": 2
  }
}