Pith Number

pith:JN2YG4ED

pith:2025:JN2YG4EDLFIRPCGHNUSUCHTYFM

not attested not anchored not stored refs pending

Evidence of a fraction of LIGO/Virgo/KAGRA events coming from active galactic nuclei

Liang-Gui Zhu, Xian Chen

arxiv:2505.02924 v2 · 2025-05-05 · astro-ph.HE · astro-ph.GA · astro-ph.IM · 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{JN2YG4EDLFIRPCGHNUSUCHTYFM}

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

2 papers in Pith

A Systematic Search for Active Galactic Nucleus Flares in ZTF Data Release 23

How do the LIGO-Virgo-KAGRA's Heavy Black Holes Form? No evidence for core-collapse Intermediate-mass black holes in GWTC-4

Receipt and verification

First computed	2026-07-05T11:51:26.572008Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b7583708359511788c76d25411e782b2da24c1ee75e51ec46380ca1ff9c54b0

Aliases

arxiv: 2505.02924 · arxiv_version: 2505.02924v2 · doi: 10.48550/arxiv.2505.02924 · pith_short_12: JN2YG4EDLFIR · pith_short_16: JN2YG4EDLFIRPCGH · pith_short_8: JN2YG4ED

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/JN2YG4EDLFIRPCGHNUSUCHTYFM \
  | 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: 4b7583708359511788c76d25411e782b2da24c1ee75e51ec46380ca1ff9c54b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31bec0ac2e1b5f61e166253d4d6245106be10298a53d03877b94ab21699cfd1a",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.IM",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2025-05-05T18:02:47Z",
    "title_canon_sha256": "2c1b30cdf20a8b6371365b6273ac273e8d4b6d41ea5ec494ef527d008314ccb4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.02924",
    "kind": "arxiv",
    "version": 2
  }
}