Pith Number

pith:PH2DCM7L

pith:2018:PH2DCM7L6INPF5DZEMITLZNH2M

not attested not anchored not stored refs pending

LoTSS/HETDEX: Optical quasars I. Low-frequency radio properties of optically selected quasars

Beatriz Mingo, Cyril Tasse, Dan Smith, Gabriela Calistro Rivera, George Heald, G\"ulay G\"urkan, Huub R\"ottgering, Isabella Prandoni, Joe Callingham, Jose Sabater, Judith Croston, Ken Duncan, Leah Morabito, Martin Hardcastle, Matt Jarvis, Philip Best, Rachel Cochrane, Sean Mooney, Timothy Shimwell, Wendy Williams

arxiv:1811.07933 v1 · 2018-11-19 · 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{PH2DCM7L6INPF5DZEMITLZNH2M}

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	2026-05-18T00:00:17.297828Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79f43133ebf21af2f479231135e5a7d32d762c9a18aab959d6d727dd56439894

Aliases

arxiv: 1811.07933 · arxiv_version: 1811.07933v1 · doi: 10.48550/arxiv.1811.07933 · pith_short_12: PH2DCM7L6INP · pith_short_16: PH2DCM7L6INPF5DZ · pith_short_8: PH2DCM7L

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/PH2DCM7L6INPF5DZEMITLZNH2M \
  | 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: 79f43133ebf21af2f479231135e5a7d32d762c9a18aab959d6d727dd56439894

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2d793db64d0eb1f4f1db863137c3704ecacb12dc4f3322bf26f1c56a6e12e6f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-11-19T19:07:20Z",
    "title_canon_sha256": "f342a2cd57eb87b4cfd5cd0db8df013171965fe149f519da744575eddbaf5c90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.07933",
    "kind": "arxiv",
    "version": 1
  }
}