Pith Number

pith:5USJCSDM

pith:2019:5USJCSDMNXG6QQI4ZDRQIRQ2PH

not attested not anchored not stored refs pending

Radio-loudness along the quasar main sequence

A. Del Olmo, C.A. Negrete, E. Bon, M. D'Onofrio, N. Bon, P. Marziani, V. Ganci

arxiv:1908.07308 v1 · 2019-08-20 · 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{5USJCSDMNXG6QQI4ZDRQIRQ2PH}

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	2026-07-05T00:09:03.102532Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed2491486c6dcde8411cc8e304461a79c86dd85cbb6e82dca4b4edae989ef528

Aliases

arxiv: 1908.07308 · arxiv_version: 1908.07308v1 · doi: 10.48550/arxiv.1908.07308 · pith_short_12: 5USJCSDMNXG6 · pith_short_16: 5USJCSDMNXG6QQI4 · pith_short_8: 5USJCSDM

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/5USJCSDMNXG6QQI4ZDRQIRQ2PH \
  | 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: ed2491486c6dcde8411cc8e304461a79c86dd85cbb6e82dca4b4edae989ef528

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dfa2c2728f497cc50d55dd4ef27873aaf9972b2b4780dc393511cc5a8f33664b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-08-20T12:50:20Z",
    "title_canon_sha256": "cd2c32f1a5c80b37936265e7a2b21b6336f5336118a1bd2a174f551bbdd264f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.07308",
    "kind": "arxiv",
    "version": 1
  }
}