Pith Number

pith:YI3PJUJX

pith:2010:YI3PJUJXGJQBFWET4TKUBPA3I2

not attested not anchored not stored refs pending

Unification of Luminous Type 1 Quasars through CIV Emission

(2) University of Western Ontario, (3) York University, (4) IoA Cambridge, (5) University of Oklahoma, (6) Harvard CfA), Gordon T. Richards (1), Karen M. Leighly (5) Rajesh P. Deo (1), Nicholas E. Kruczek (1), Patrick B. Hall (3), Paul C. Hewett (4), Rachael M. Kratzer (1), S.C. Gallagher (2), Yue Shen (6) ((1) Drexel University

arxiv:1011.2282 v2 · 2010-11-10 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YI3PJUJXGJQBFWET4TKUBPA3I2}

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	2026-05-18T02:04:49.460879Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c236f4d137326012d893e4d540bc1b4692e1dfa6310b2bd2ce78d9c406fe76b4

Aliases

arxiv: 1011.2282 · arxiv_version: 1011.2282v2 · doi: 10.48550/arxiv.1011.2282 · pith_short_12: YI3PJUJXGJQB · pith_short_16: YI3PJUJXGJQBFWET · pith_short_8: YI3PJUJX

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/YI3PJUJXGJQBFWET4TKUBPA3I2 \
  | 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: c236f4d137326012d893e4d540bc1b4692e1dfa6310b2bd2ce78d9c406fe76b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3a220f79884862dc75ba8c7d914e5960c268e5e9bc0ddd1fff46fcad8ea3bdd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-11-10T06:44:02Z",
    "title_canon_sha256": "c8e8e0531b1d88faa034e5c84f3beed5f677c0141bfc8eaf067e9295901fcb20"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.2282",
    "kind": "arxiv",
    "version": 2
  }
}