Pith Number

pith:6WJI2ZF7

pith:2017:6WJI2ZF7D4JIZ3CHFNTM3L5WRX

not attested not anchored not stored refs pending

A "nu" look at gravitational waves: The black hole birth rate from neutrinos combined with the merger rate from LIGO

Jonathan H. Davis, Malcolm Fairbairn

arxiv:1704.05073 v3 · 2017-04-17 · astro-ph.HE · hep-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{6WJI2ZF7D4JIZ3CHFNTM3L5WRX}

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	2026-05-18T00:39:12.362926Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5928d64bf1f128cec472b66cdafb68de6bd1c5622b71a582cc5d86bff915ee6

Aliases

arxiv: 1704.05073 · arxiv_version: 1704.05073v3 · doi: 10.48550/arxiv.1704.05073 · pith_short_12: 6WJI2ZF7D4JI · pith_short_16: 6WJI2ZF7D4JIZ3CH · pith_short_8: 6WJI2ZF7

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/6WJI2ZF7D4JIZ3CHFNTM3L5WRX \
  | 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: f5928d64bf1f128cec472b66cdafb68de6bd1c5622b71a582cc5d86bff915ee6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27b166bf5f0880500bcde389141bee9e4ba54718886cc7bf4add43f6f422a645",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-04-17T18:00:07Z",
    "title_canon_sha256": "de18565e1a469369ea13ac08c897682aa79fb18fe825bc3fa9d8b2165225f2c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.05073",
    "kind": "arxiv",
    "version": 3
  }
}