Pith Number

pith:Q3Z7LG3Q

pith:2013:Q3Z7LG3QTNVHSTNMJWSWD4WGTW

not attested not anchored not stored refs pending

Luminosity-dependent unification of Active Galactic Nuclei and the X-ray Baldwin effect

Claudio Ricci, Hisamitsu Awaki, Murray Brightman, Pierre-Olivier Petrucci, Stephane Paltani, Yoshihiro Ueda

arxiv:1302.1070 v1 · 2013-02-05 · astro-ph.CO · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q3Z7LG3QTNVHSTNMJWSWD4WGTW}

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	2026-05-18T01:51:50.279927Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86f3f59b709b6a794dac4da561f2c69d8ce3857fb414f9bf483c384e762fdb55

Aliases

arxiv: 1302.1070 · arxiv_version: 1302.1070v1 · doi: 10.48550/arxiv.1302.1070 · pith_short_12: Q3Z7LG3QTNVH · pith_short_16: Q3Z7LG3QTNVHSTNM · pith_short_8: Q3Z7LG3Q

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/Q3Z7LG3QTNVHSTNMJWSWD4WGTW \
  | 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: 86f3f59b709b6a794dac4da561f2c69d8ce3857fb414f9bf483c384e762fdb55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b00c962c9e8eb7d86d452b9c90d9da17eff3970521ae0670c4bc15e5d5f029c",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-02-05T15:54:24Z",
    "title_canon_sha256": "d965f6befcaa840d3aa18e7d767696a73af02218706ad21899f55a77388a6c80"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.1070",
    "kind": "arxiv",
    "version": 1
  }
}