Pith Number

pith:CJIOIYBR

pith:2018:CJIOIYBR3KIWRPAYN3O6YJYISM

not attested not anchored not stored refs pending

The LOFAR Two-metre Sky Survey IV. First Data Release: Photometric redshifts and rest-frame magnitudes

A. P. Mechev, B. Mingo, C. Tasse, D. J. B. Smith, D. J. Schwarz, D. Nisbet, G. G\"urkan, G. J. White, G. K. Miley, H. J. A. R\"ottgering, I. Prandoni, J. H. Croston, J. R. Callingham, J. Sabater, Kenneth J Duncan, K. T. Chy\.zy, L. Alegre, L. Morabito, M. Hoeft, M. J. Hardcastle, M. J. Jarvis, P. N. Best, R. Cochrane, R. J. van Weeren, R. Kondapally, T. W. Shimwell, W. L. Williams

arxiv:1811.07928 v1 · 2018-11-19 · astro-ph.GA · astro-ph.CO · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CJIOIYBR3KIWRPAYN3O6YJYISM}

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	2026-05-18T00:00:17.315596Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1250e46031da9168bc186eddec270893021aec21fed32849eedc59103c7e79c1

Aliases

arxiv: 1811.07928 · arxiv_version: 1811.07928v1 · doi: 10.48550/arxiv.1811.07928 · pith_short_12: CJIOIYBR3KIW · pith_short_16: CJIOIYBR3KIWRPAY · pith_short_8: CJIOIYBR

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/CJIOIYBR3KIWRPAYN3O6YJYISM \
  | 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: 1250e46031da9168bc186eddec270893021aec21fed32849eedc59103c7e79c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9144e663f4d4b847a9365b3abf40ab120a6ef776d91714f0b898314cc58d37fb",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-11-19T19:05:28Z",
    "title_canon_sha256": "92e64d3155af7c0d376e1d14fd3be1f4025a43a25a79f30fb0bed7e47ea9be87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.07928",
    "kind": "arxiv",
    "version": 1
  }
}