Pith Number

pith:B7ZD5JLR

pith:2006:B7ZD5JLRQP7YWCCZ7TKTRIGOH4

not attested not anchored not stored refs pending

Quasar Luminosity Functions from Joint Evolution of Black Holes and Host Galaxies

1), 2) (1-SISSA/ISAS Trieste, A. Lapi (1), Columbus, F. Shankar (3), G. de Zotti (2, G.L. Granato (2, Italy), Italy; 2-INAF, Italy; 3-Ohio State Univ., J. Mao (1), L. Danese (1, L. Silva (4), Oss. Astron. Padova, Oss. Astron. Trieste, USA; 4-INAF

arxiv:astro-ph/0603819 v2 · 2006-03-30 · astro-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{B7ZD5JLRQP7YWCCZ7TKTRIGOH4}

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	2026-05-18T04:36:21.519249Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ff23ea57183ff8b0859fcd538a0ce3f306f4084131825a2fde7a03d6c662258

Aliases

arxiv: astro-ph/0603819 · arxiv_version: astro-ph/0603819v2 · doi: 10.48550/arxiv.astro-ph/0603819 · pith_short_12: B7ZD5JLRQP7Y · pith_short_16: B7ZD5JLRQP7YWCCZ · pith_short_8: B7ZD5JLR

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/B7ZD5JLRQP7YWCCZ7TKTRIGOH4 \
  | 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: 0ff23ea57183ff8b0859fcd538a0ce3f306f4084131825a2fde7a03d6c662258

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "321c56c5e59fdbfaa5b3ff00bbed2921f69a905a3e6927f163d6afa353f39ce4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-03-30T13:09:33Z",
    "title_canon_sha256": "000b9c5b85360668dd2c8bf45b9f9ebf20f413a2237e6e64555a88fc8f975b5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0603819",
    "kind": "arxiv",
    "version": 2
  }
}