Pith Number

pith:FNYLC75J

pith:2021:FNYLC75JXWDROSCFZFS6JB2BVM

not attested not anchored not stored refs pending

The XXL Survey: XLIII. The quasar radio loudness dichotomy exposed via radio luminosity functions obtained by combining results from COSMOS and XXL-S X-ray selected quasars

Andrew Butler, Cathy Horellou, Eleni Vardoulaki, Giovanni Zamorani, Ivan Delvecchio, Jacinta Delhaize, Jeyhan Kartaltepe, Konstantinos Kolokythas, Kre\v{s}imir Tisani\'c, Lana Ceraj, Manolis Plionis, Marguerite Pierre, Mladen Novak, Sarah Leslie, Stefano Marchesi, Vernesa Smol\v{c}i\'c

arxiv:2106.08786 v1 · 2021-06-16 · 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{FNYLC75JXWDROSCFZFS6JB2BVM}

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	2026-07-05T02:50:01.416483Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b70b17fa9bd87174845c965e48741ab195fc8d40527ad8a1ada6b2a1bca5fe0

Aliases

arxiv: 2106.08786 · arxiv_version: 2106.08786v1 · doi: 10.48550/arxiv.2106.08786 · pith_short_12: FNYLC75JXWDR · pith_short_16: FNYLC75JXWDROSCF · pith_short_8: FNYLC75J

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/FNYLC75JXWDROSCFZFS6JB2BVM \
  | 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: 2b70b17fa9bd87174845c965e48741ab195fc8d40527ad8a1ada6b2a1bca5fe0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5301acbdc08651686d8eb6d83630073f4a8a77ba34e0c3dc83b1decf500d41e1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-06-16T13:44:09Z",
    "title_canon_sha256": "b9a3024d0887772ae0c8c43ab9669d67ea79a23c64917c9dfa257c8a0c10e24f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.08786",
    "kind": "arxiv",
    "version": 1
  }
}