Pith Number

pith:OODJIK2Y

pith:2020:OODJIK2YTRYQ4E2PTZK5FCASQG

not attested not anchored not stored refs pending

The mass gap, the spin gap, and the origin of merging binary black holes

Davide Gerosa, Emanuele Berti, Kaze W. K. Wong, Matthew Mould, Thomas Helfer, Vishal Baibhav

arxiv:2004.00650 v2 · 2020-04-01 · astro-ph.HE · 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{OODJIK2YTRYQ4E2PTZK5FCASQG}

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

4 papers in Pith

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

Effects of formation channels and gravitational lensing on stochastic gravitational wave background

GWTC-2.1: Deep Extended Catalog of Compact Binary Coalescences Observed by LIGO and Virgo During the First Half of the Third Observing Run

Signatures of a subpopulation of hierarchical mergers in the GWTC-4 gravitational-wave dataset

Receipt and verification

First computed	2026-07-05T01:31:10.246969Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7386942b589c710e134f9e55d288128195a4e5737d5ce1e46dfd39b44d9557fc

Aliases

arxiv: 2004.00650 · arxiv_version: 2004.00650v2 · doi: 10.48550/arxiv.2004.00650 · pith_short_12: OODJIK2YTRYQ · pith_short_16: OODJIK2YTRYQ4E2P · pith_short_8: OODJIK2Y

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/OODJIK2YTRYQ4E2PTZK5FCASQG \
  | 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: 7386942b589c710e134f9e55d288128195a4e5737d5ce1e46dfd39b44d9557fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d477a19d44bf67e27254fee0241490797518e7ef024057c5e718dfac9cb8998c",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2020-04-01T18:11:41Z",
    "title_canon_sha256": "ccbec488d1d54bfbd8c27cfcfa353b6a8415bbd69b13a0af16c072f56acb415c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.00650",
    "kind": "arxiv",
    "version": 2
  }
}