Pith Number

pith:YUK5FV4S

pith:2018:YUK5FV4SJFXYQHU6UCWGQOKCTD

not attested not anchored not stored refs pending

Spin of LIGO/VIRGO merging black holes as the result of binary evolution

A. I. Bogomazov, A. M. Cherepashchuk, A. V. Tutukov, V. M. Lipunov

arxiv:1811.02294 v1 · 2018-11-06 · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YUK5FV4SJFXYQHU6UCWGQOKCTD}

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	2026-05-18T00:01:24.618366Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c515d2d792496f881e9ea0ac68394298fbda5a69f7b6fd856698296919b07699

Aliases

arxiv: 1811.02294 · arxiv_version: 1811.02294v1 · doi: 10.48550/arxiv.1811.02294 · pith_short_12: YUK5FV4SJFXY · pith_short_16: YUK5FV4SJFXYQHU6 · pith_short_8: YUK5FV4S

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/YUK5FV4SJFXYQHU6UCWGQOKCTD \
  | 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: c515d2d792496f881e9ea0ac68394298fbda5a69f7b6fd856698296919b07699

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05043ccfb7344d3b92c74d81c455fafdfe9ddf807bc240df63eb20922b47d2cd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-11-06T11:27:09Z",
    "title_canon_sha256": "50349be9e0e0eda933abda9f1880de49088fad7365b1686de799a532aca9a9c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.02294",
    "kind": "arxiv",
    "version": 1
  }
}