Pith Number

pith:VWSV4HU7

pith:2009:VWSV4HU7RISXJWJWXXQMPJFA3D

not attested not anchored not stored refs pending

The bolometric luminosity of type 2 AGN from extinction-corrected [OIII]: no evidence for Eddington-limited sources

A. Lamastra, F. J. Carrera, G. C. Perola, G. Matt, S. Bianchi, X. Barcons

arxiv:0905.4439 v1 · 2009-05-27 · 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{VWSV4HU7RISXJWJWXXQMPJFA3D}

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	2026-05-18T02:13:31.589851Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ada55e1e9f8a2574d936bde0c7a4a0d8f89d04e1fd5a85c29b1a202f7c65d73d

Aliases

arxiv: 0905.4439 · arxiv_version: 0905.4439v1 · doi: 10.48550/arxiv.0905.4439 · pith_short_12: VWSV4HU7RISX · pith_short_16: VWSV4HU7RISXJWJW · pith_short_8: VWSV4HU7

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/VWSV4HU7RISXJWJWXXQMPJFA3D \
  | 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: ada55e1e9f8a2574d936bde0c7a4a0d8f89d04e1fd5a85c29b1a202f7c65d73d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eaec740c0273b040f637d8398aa1dfb57093348b964eeaf1893335af3752990c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-05-27T15:11:19Z",
    "title_canon_sha256": "8a8b0070c650d3622e7a559c491877c18daf353c2ebbced7f86bc86842ee2e28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.4439",
    "kind": "arxiv",
    "version": 1
  }
}