Pith Number

pith:UDNRZPHQ

pith:2010:UDNRZPHQ2WUHR4HMLQ2EKZPZUL

not attested not anchored not stored refs pending

Mid-Infrared Properties of the Swift Burst Alert Telescope Active Galactic Nuclei Sample of the Local Universe. I. Emission-Line Diagnostics

C. Markwardt, C.T. Berghea, E. Malumuth, J. Tueller, K. A. Weaver, K. Engle, L. Armus, L. M. Winter, M. Mel\'endez, R. F. Mushotzky, R. P. Dudik, S. Kraemer

arxiv:1004.5321 v1 · 2010-04-29 · 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{UDNRZPHQ2WUHR4HMLQ2EKZPZUL}

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	2026-05-18T02:07:45.064239Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0db1cbcf0d5a878f0ec5c344565f9a2cd26c5f8848a16f337ed510662a6a8fd

Aliases

arxiv: 1004.5321 · arxiv_version: 1004.5321v1 · doi: 10.48550/arxiv.1004.5321 · pith_short_12: UDNRZPHQ2WUH · pith_short_16: UDNRZPHQ2WUHR4HM · pith_short_8: UDNRZPHQ

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/UDNRZPHQ2WUHR4HMLQ2EKZPZUL \
  | 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: a0db1cbcf0d5a878f0ec5c344565f9a2cd26c5f8848a16f337ed510662a6a8fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6857f8dda063b3a911c20bf034208198a94e674dbb64f890613b249da95cf4bc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-04-29T15:22:51Z",
    "title_canon_sha256": "d90a21ea5482287f1c45e3e9542c70bbd69219fe26218e85f9855dccd649f7ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.5321",
    "kind": "arxiv",
    "version": 1
  }
}