Pith Number

pith:RJQEXXKY

pith:2009:RJQEXXKY4HD67TC7NQOYOIQTHQ

not attested not anchored not stored refs pending

Constraining the Black Hole Mass Spectrum with Gravitational Wave Observations I: The Error Kernel

Daniel C. Jacobs, Joseph E. Plowman, Ronald W. Hellings, Sachiko Tsuruta, Shane L. Larson

arxiv:0903.2059 v2 · 2009-03-11 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RJQEXXKY4HD67TC7NQOYOIQTHQ}

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	2026-05-18T02:14:35.817795Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a604bdd58e1c7efcc5f6c1d8722133c170739c2adf4a2931141b3821448334e

Aliases

arxiv: 0903.2059 · arxiv_version: 0903.2059v2 · doi: 10.48550/arxiv.0903.2059 · pith_short_12: RJQEXXKY4HD6 · pith_short_16: RJQEXXKY4HD67TC7 · pith_short_8: RJQEXXKY

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/RJQEXXKY4HD67TC7NQOYOIQTHQ \
  | 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: 8a604bdd58e1c7efcc5f6c1d8722133c170739c2adf4a2931141b3821448334e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54d20d0aa566cb5aee78a6f83f4a4ee7e30b1f07db3a3491e757ee76caff69ca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-03-11T21:13:22Z",
    "title_canon_sha256": "60bc69b9f9c1d403285649d7bfa54640d1d077909a408ca175bd162d9cda4c13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.2059",
    "kind": "arxiv",
    "version": 2
  }
}