Pith Number

pith:QADFY6N2

pith:2009:QADFY6N2QYTYCPLZJS6DYSLO22

not attested not anchored not stored refs pending

Isotropic Luminosity Indicators in a Complete AGN Sample

Aleksandar M. Diamond-Stanic (Arizona), George H. Rieke (Arizona), Jane R. Rigby (Carnegie)

arxiv:0904.0250 v2 · 2009-04-01 · astro-ph.GA · 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{QADFY6N2QYTYCPLZJS6DYSLO22}

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	2026-05-18T04:29:15.434948Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80065c79ba8627813d794cbc3c496ed6a02f3235ec7ea2d8c42ce7f5cfdecad3

Aliases

arxiv: 0904.0250 · arxiv_version: 0904.0250v2 · doi: 10.48550/arxiv.0904.0250 · pith_short_12: QADFY6N2QYTY · pith_short_16: QADFY6N2QYTYCPLZ · pith_short_8: QADFY6N2

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/QADFY6N2QYTYCPLZJS6DYSLO22 \
  | 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: 80065c79ba8627813d794cbc3c496ed6a02f3235ec7ea2d8c42ce7f5cfdecad3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99121641ac931f39559a8ac0ebd45722d9d08b6ce6df734278c5066e516bc9fb",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-04-01T20:00:05Z",
    "title_canon_sha256": "0a4004304bdd60b0e1a8d561ced882fc831180766036773c0d9612876d4d409d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.0250",
    "kind": "arxiv",
    "version": 2
  }
}