Pith Number

pith:UGYN7O22

pith:2021:UGYN7O226BZ76EW4DMY2LAN2LJ

not attested not anchored not stored refs pending

The radio loudness of SDSS quasars from the LOFAR Two-metre Sky Survey: ubiquitous jet activity and constraints on star formation

C. Macfarlane (IfA Edinburgh), CSIRO), Durban), E. Retana-Montenegro (KwaZulu-Natal, G. Calistro Rivera (ESO), G. Gurkan (Thuringer Landessternwarte, H. J. A. Rottgering (Leiden), I. Prandoni (Durham), J. Sabater (IfA Edinburgh, K. J. Duncan (IfA Edinburgh, Leiden), L. K. Morabito (Durham), M. J. Jarvis (Oxford, P. N. Best (IfA Edinburgh), R. D. Baldi (INAF, Southampton), UK-ATC), UWC)

arxiv:2107.09141 v1 · 2021-07-19 · 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{UGYN7O226BZ76EW4DMY2LAN2LJ}

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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.

Cited by

1 paper in Pith

The DESI View of the Faint Radio Source Population in LoTSS DR2

Receipt and verification

First computed	2026-07-05T03:08:36.639709Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1b0dfbb5af073ff12dc1b31a581ba5a6976ef15443911af11b90acc4ca26e55

Aliases

arxiv: 2107.09141 · arxiv_version: 2107.09141v1 · doi: 10.48550/arxiv.2107.09141 · pith_short_12: UGYN7O226BZ7 · pith_short_16: UGYN7O226BZ76EW4 · pith_short_8: UGYN7O22

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/UGYN7O226BZ76EW4DMY2LAN2LJ \
  | 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: a1b0dfbb5af073ff12dc1b31a581ba5a6976ef15443911af11b90acc4ca26e55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ecd268d28543b70320dd032c98ae77e07e54646fd453dc63ce20433998b3e19",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-07-19T20:28:15Z",
    "title_canon_sha256": "33edd741025311f58ffe6578a9a0c53f3e9235b95ad2fa8102397f64c837b206"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.09141",
    "kind": "arxiv",
    "version": 1
  }
}