Pith Number

pith:JN3CHJCI

pith:2024:JN3CHJCIGMO2XP6UXY3OFJKYQ5

not attested not anchored not stored refs pending

Discovering the Cosmic Evolution of Supermassive Black Holes using Nano-Hertz Gravitational Waves and Galaxy Surveys

Mohit Raj Sah, Suvodip Mukherjee

arxiv:2407.11669 v1 · 2024-07-16 · astro-ph.CO · astro-ph.GA · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JN3CHJCIGMO2XP6UXY3OFJKYQ5}

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	2026-07-05T08:44:27.633788Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b7623a448331dabbfd4be36e2a558874a13a4f23fba813e4b9743b7d81300ff

Aliases

arxiv: 2407.11669 · arxiv_version: 2407.11669v1 · doi: 10.48550/arxiv.2407.11669 · pith_short_12: JN3CHJCIGMO2 · pith_short_16: JN3CHJCIGMO2XP6U · pith_short_8: JN3CHJCI

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/JN3CHJCIGMO2XP6UXY3OFJKYQ5 \
  | 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: 4b7623a448331dabbfd4be36e2a558874a13a4f23fba813e4b9743b7d81300ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba1b4cabc19b58014ef70980bd2eb248d2e94425adc84c7f4d85786d389441fe",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2024-07-16T12:40:03Z",
    "title_canon_sha256": "e9c15494f226089d23f213d293306347a3ec752b0f72fa9e9568389ef2d49490"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2407.11669",
    "kind": "arxiv",
    "version": 1
  }
}