Pith Number

pith:2V6CLC6Y

pith:2022:2V6CLC6YYCQTUETNZPRXRTNYR4

not attested not anchored not stored refs pending

The intermediate-ionization lines as virial broadening estimators for Population A quasars

A. Deconto Machado, A. Del Olmo, C. A. Negrete, D. Dultzin, E. Bon, E. Piconcelli, G. M. Stirpe, G. Vietri, Mauro D'Onofrio, M. L. Martinez-Aldama, N. Bon, P. Marziani, T. Buendia Rios

arxiv:2205.07034 v1 · 2022-05-14 · 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{2V6CLC6YYCQTUETNZPRXRTNYR4}

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	2026-07-05T04:45:21.224167Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d57c258bd8c0a13a126dcbe378cdb88f32ef9945029b3a4817c8a6a1acd5d9e4

Aliases

arxiv: 2205.07034 · arxiv_version: 2205.07034v1 · doi: 10.48550/arxiv.2205.07034 · pith_short_12: 2V6CLC6YYCQT · pith_short_16: 2V6CLC6YYCQTUETN · pith_short_8: 2V6CLC6Y

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/2V6CLC6YYCQTUETNZPRXRTNYR4 \
  | 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: d57c258bd8c0a13a126dcbe378cdb88f32ef9945029b3a4817c8a6a1acd5d9e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e295495ce131ca24dc7adab321a8c3c83ee9ecc65ec4fe92e85cdb20e1e439b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-05-14T10:40:08Z",
    "title_canon_sha256": "da93d72071d65aa115764f1fb796ba2b92acc0e80ad9c4c5eb83a13035f4aed7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.07034",
    "kind": "arxiv",
    "version": 1
  }
}