Pith Number

pith:3TO7WAQ4

pith:2010:3TO7WAQ4KAKH2AZF7GYKHPXYR4

not attested not anchored not stored refs pending

Mass Function of Binary Massive Black Holes in Active Galactic Nuclei

Kimitake Hayasaki, Naoki Isobe, Yoshihiro Ueda

arxiv:1001.3612 v2 · 2010-01-20 · astro-ph.CO · astro-ph.GA · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3TO7WAQ4KAKH2AZF7GYKHPXYR4}

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	2026-05-18T02:09:31.892901Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dcddfb021c50147d0325f9b0a3bef88f0d3be5e758007676d349ea9adfe1b804

Aliases

arxiv: 1001.3612 · arxiv_version: 1001.3612v2 · doi: 10.48550/arxiv.1001.3612 · pith_short_12: 3TO7WAQ4KAKH · pith_short_16: 3TO7WAQ4KAKH2AZF · pith_short_8: 3TO7WAQ4

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/3TO7WAQ4KAKH2AZF7GYKHPXYR4 \
  | 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: dcddfb021c50147d0325f9b0a3bef88f0d3be5e758007676d349ea9adfe1b804

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "559a510d9cb50fefc91bc00885a14bfd549d955ad5ed305176905dec04d3461a",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-01-20T15:50:17Z",
    "title_canon_sha256": "426e9172b35d0d39405ec4d88feaea2731beef0559142427218311e1afe496aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.3612",
    "kind": "arxiv",
    "version": 2
  }
}