Pith Number

pith:U5JQBITU

pith:2012:U5JQBITUTOXSTN55X3YKUKBTBO

not attested not anchored not stored refs pending

The central structure of Broad Absorption Line QSOs: observational characteristics in the cm-mm wavelength domain

C. R. Benn, D. Dallacasa, F. Jim\'enez-Luj\'an, F. M. Montenegro-Montes, G. Bruni, J. Holt, J. I. Gonz\'alez-Serrano, K.-H. Mack, R. Carballo

arxiv:1208.3736 v1 · 2012-08-18 · astro-ph.GA · 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{U5JQBITUTOXSTN55X3YKUKBTBO}

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	2026-05-18T03:48:26.397613Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a75300a2749baf29b7bdbef0aa28330bb2cb03110109777264c336e4eb830821

Aliases

arxiv: 1208.3736 · arxiv_version: 1208.3736v1 · doi: 10.48550/arxiv.1208.3736 · pith_short_12: U5JQBITUTOXS · pith_short_16: U5JQBITUTOXSTN55 · pith_short_8: U5JQBITU

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/U5JQBITUTOXSTN55X3YKUKBTBO \
  | 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: a75300a2749baf29b7bdbef0aa28330bb2cb03110109777264c336e4eb830821

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93fd87c13661bb4918d1419128ccde5223df4a39ca7e062d4f6437ea49aa295f",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-08-18T10:29:30Z",
    "title_canon_sha256": "e2ddb7332d5045347cb0f5a3851bbfbd3ae0635cb4bda693997db0eb03621fe0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.3736",
    "kind": "arxiv",
    "version": 1
  }
}