Pith Number

pith:ZIURLYA7

pith:2004:ZIURLYA7YZORPGOSURAOH7GGJC

not attested not anchored not stored refs pending

Active Galactic Nuclei Emission-Line Properties Versus Eddington Ratio

Craig Warner, Fred Hamann, Matthias Dietrich

arxiv:astro-ph/0402471 v1 · 2004-02-19 · 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{ZIURLYA7YZORPGOSURAOH7GGJC}

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	2026-07-04T16:43:04.681106Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca2915e01fc65d1799d2a440e3fcc648bfa79dc199c0bd4730ac2eacf5a1bc3c

Aliases

arxiv: astro-ph/0402471 · arxiv_version: astro-ph/0402471v1 · doi: 10.48550/arxiv.astro-ph/0402471 · pith_short_12: ZIURLYA7YZOR · pith_short_16: ZIURLYA7YZORPGOS · pith_short_8: ZIURLYA7

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/ZIURLYA7YZORPGOSURAOH7GGJC \
  | 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: ca2915e01fc65d1799d2a440e3fcc648bfa79dc199c0bd4730ac2eacf5a1bc3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e39e3994b6afd139ef18c76e740572972de24b8ce3ad19a9785eb5642e6674cc",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-02-19T21:38:15Z",
    "title_canon_sha256": "4f25d432cadc865394a750dd2db5b52c083b6f807d8433fe41ad1b0d85e2715d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0402471",
    "kind": "arxiv",
    "version": 1
  }
}