Pith Number

pith:7NPPFIPS

pith:2013:7NPPFIPSV5ZZCUME4EFOYLLQ4J

not attested not anchored not stored refs pending

Implications of PSR J0737-3039B for the Galactic NS-NS Binary Merger Rate

Benetge Bhakthi Pranama Perera (U. Manchester, Chunglee Kim (Seoul National U., Maura A. McLaughlin (WVU), Wvu)

arxiv:1308.4676 v3 · 2013-08-21 · astro-ph.SR · 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{7NPPFIPSV5ZZCUME4EFOYLLQ4J}

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	2026-05-18T02:21:51.979296Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb5ef2a1f2af73915184e10aec2d70e2782b073e542e013257209bb94525b6c2

Aliases

arxiv: 1308.4676 · arxiv_version: 1308.4676v3 · doi: 10.48550/arxiv.1308.4676 · pith_short_12: 7NPPFIPSV5ZZ · pith_short_16: 7NPPFIPSV5ZZCUME · pith_short_8: 7NPPFIPS

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/7NPPFIPSV5ZZCUME4EFOYLLQ4J \
  | 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: fb5ef2a1f2af73915184e10aec2d70e2782b073e542e013257209bb94525b6c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa257eb4057fcce88938667c10b0c7d2a8720cc9c737501a7e3eb9a3c4aaaeaf",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-08-21T19:59:31Z",
    "title_canon_sha256": "5a145f6c4d09d7693d3ae1672241c28ca4c3c3ad6631143e68b4bd56b006713e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.4676",
    "kind": "arxiv",
    "version": 3
  }
}