Pith Number

pith:SQADPRPK

pith:2015:SQADPRPKMRMA2M4FTAW3XR6EYU

not attested not anchored not stored refs pending

Astrophysical constraints on massive black hole binary evolution from Pulsar Timing Arrays

Alberto Sesana, Alberto Vecchio, Hannah Middleton, Walter Del Pozzo, Will M. Farr

arxiv:1507.00992 v2 · 2015-07-03 · 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{SQADPRPKMRMA2M4FTAW3XR6EYU}

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

3 papers in Pith

Probing Supermassive Black Hole Mergers with Pulsar Timing Arrays

A practical theorem on gravitational-wave background statistics

The Heavy Tailed Non-Gaussianity of the Supermassive Black Hole Gravitational Wave Background

Receipt and verification

First computed	2026-05-18T01:27:23.227892Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

940037c5ea64580d3385982dbbc7c4c50716e30b41ab24c60bd3f55e02b749b2

Aliases

arxiv: 1507.00992 · arxiv_version: 1507.00992v2 · doi: 10.48550/arxiv.1507.00992 · pith_short_12: SQADPRPKMRMA · pith_short_16: SQADPRPKMRMA2M4F · pith_short_8: SQADPRPK

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/SQADPRPKMRMA2M4FTAW3XR6EYU \
  | 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: 940037c5ea64580d3385982dbbc7c4c50716e30b41ab24c60bd3f55e02b749b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6420c591d85b6caf347b3abb4d7fe1be76291cccebfb20030303bbb622b7e786",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-07-03T19:43:38Z",
    "title_canon_sha256": "9e0cbff249ef2b8f1ced9a21e66714969e0badfbd0eda6df1dc93644584de2e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.00992",
    "kind": "arxiv",
    "version": 2
  }
}