Pith Number

pith:ROLKGQHQ

pith:2014:ROLKGQHQP26P4HPDLDDFAF4Y5Z

not attested not anchored not stored refs pending

Calibration artefacts in radio interferometry. I. Ghost sources in WSRT data

A.G. de Bruyn, A.J. van Zyl, C.D. Nunhokee, O.M. Smirnov, T.G. Grobler

arxiv:1402.1373 v1 · 2014-02-06 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ROLKGQHQP26P4HPDLDDFAF4Y5Z}

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	2026-05-18T02:53:53.173208Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b96a340f07ebcfe1de358c6501798ee686180c97375a939f16dddbe9eff8801

Aliases

arxiv: 1402.1373 · arxiv_version: 1402.1373v1 · doi: 10.48550/arxiv.1402.1373 · pith_short_12: ROLKGQHQP26P · pith_short_16: ROLKGQHQP26P4HPD · pith_short_8: ROLKGQHQ

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/ROLKGQHQP26P4HPDLDDFAF4Y5Z \
  | 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: 8b96a340f07ebcfe1de358c6501798ee686180c97375a939f16dddbe9eff8801

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a599a240cda320dbff57aa8a284b8a857ec5e800f55f44ad6aad265436df6747",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2014-02-06T15:04:52Z",
    "title_canon_sha256": "2743ce2a7fa7d33c2752b8d8b821dff3d9f4fe9b2f42c56a3fa66d10cd5f4cbe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.1373",
    "kind": "arxiv",
    "version": 1
  }
}