Pith Number

pith:DBT42UXP

pith:2011:DBT42UXPCBUTEOSX5PBJJC5E7D

not attested not anchored not stored refs pending

The near-infrared radius-luminosity relationship for active galactic nuclei

(2) Georgia State University, (3) Ohio State University, (4) Harvard-Smithsonian CfA, (4) University of Durham, (6) Western Michigan University), Bradley M. Peterson (3), Hermine Landt (1), Kirk T. Korista (6), Margarita Karovska (4) ((1) University of Melbourne, Martin Elvis (4), Martin J. Ward (5), Misty C. Bentz (2)

arxiv:1103.2152 v1 · 2011-03-10 · 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{DBT42UXPCBUTEOSX5PBJJC5E7D}

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	2026-05-18T02:02:54.850909Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1867cd52ef1069323a57ebc2948ba4f8cb2500871776d5cc5e714ef1c68ea0f2

Aliases

arxiv: 1103.2152 · arxiv_version: 1103.2152v1 · doi: 10.48550/arxiv.1103.2152 · pith_short_12: DBT42UXPCBUT · pith_short_16: DBT42UXPCBUTEOSX · pith_short_8: DBT42UXP

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/DBT42UXPCBUTEOSX5PBJJC5E7D \
  | 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: 1867cd52ef1069323a57ebc2948ba4f8cb2500871776d5cc5e714ef1c68ea0f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ecf69c8648c38e9e747048aa0d3a41ffc55c2efbbac2a8f561d05c7d6cba0a76",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-03-10T22:09:11Z",
    "title_canon_sha256": "038a8abe5b1a0f32cd72cc36f76fc3ec000ec0e3e3d33472bbd5024e287088b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.2152",
    "kind": "arxiv",
    "version": 1
  }
}