Pith Number

pith:2UYB63WH

pith:2017:2UYB63WHIOUFZJ4EQSYMVF5IOV

not attested not anchored not stored refs pending

Radio spectra of bright compact sources at z>4.5

1), (2) Department of Physics, (3) Leiden Observatory, (4) F\"OMI Satellite Geodetic Observatory, (5) School of Physics, 6), (6) Netherlands Institute for Radio Astronomy (ASTRON), (7) Joint Institute for VLBI ERIC, 8), 8) ((1) Department of Astrophysics/IMAPP, (8) Konkoly Observatory, Astronomy, Baltimore, Budapest, Cornelia M\"uller (1), D\'avid Cseh (1), Deanne L. Coppejans (1), Dwingeloo, Earth Sciences, Elmar G. K\"ording (1), Emanuela Orr\'u (6, Hatfield, Heino Falcke (1, Huib T. Intema (3), Hungary, Hungary), Krisztina \'E. Gab\'anyi (4, Leiden, Leiden University, Mathematics, MTA Research Centre for Astronomy, Nijmegen, Radboud University, Rocco Coppejans (1), S\'andor Frey (4, Sjoert van Velzen (2), The Johns Hopkins University, The Netherlands, UK, University of Hertfordshire, USA, Wendy L. Williams (5), Zsolt Paragi (7)

arxiv:1701.06622 v2 · 2017-01-23 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2UYB63WHIOUFZJ4EQSYMVF5IOV}

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	2026-05-18T00:51:40.939162Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5301f6ec743a85ca78484b0ca97a8757d158e0acd39c61318417c4e0b71db8d

Aliases

arxiv: 1701.06622 · arxiv_version: 1701.06622v2 · doi: 10.48550/arxiv.1701.06622 · pith_short_12: 2UYB63WHIOUF · pith_short_16: 2UYB63WHIOUFZJ4E · pith_short_8: 2UYB63WH

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/2UYB63WHIOUFZJ4EQSYMVF5IOV \
  | 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: d5301f6ec743a85ca78484b0ca97a8757d158e0acd39c61318417c4e0b71db8d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f8b2bd3723462dcb337a39e9836bb14cb507930196b18b57b8f39c7e2d5c536",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-01-23T20:34:34Z",
    "title_canon_sha256": "ff5404333d4c60a1bf6cb8188fc7dc53bcdf19cb5d5d898d2651a3abfb8c4b4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.06622",
    "kind": "arxiv",
    "version": 2
  }
}