Pith Number

pith:KUGBXSVQ

pith:2011:KUGBXSVQ3DRRL4DNYEYOQVFFGK

not attested not anchored not stored refs pending

LOFAR: Early imaging results from commissioning for Cygnus A

Aleksandar Shulevski, Annalisa Bonafede, Chiara Ferrari, Cyril Tasse, David Rafferty, Emanuela Orr\`u, Fabien Batejat, Francesco de Gasperin, George Heald, Ger van Diepen, Giulia Macario, Huub Rottgering, Ilse van Bemmel, John Conway, John McKean, Joris E. van Zwieten (for the LOFAR collaboration), Laura Birzan, Louise Ker, Neal Jackson, Reinout J. van Weeren, Roberto Pizzo, Sebastiaan van der Tol

arxiv:1106.1041 v1 · 2011-06-06 · 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{KUGBXSVQ3DRRL4DNYEYOQVFFGK}

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	2026-07-04T23:53:33.856996Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

550c1bcab0d8e315f06dc130e854a5328fa9d8ff9fbf0100ac6b66c1a2e01ebd

Aliases

arxiv: 1106.1041 · arxiv_version: 1106.1041v1 · doi: 10.48550/arxiv.1106.1041 · pith_short_12: KUGBXSVQ3DRR · pith_short_16: KUGBXSVQ3DRRL4DN · pith_short_8: KUGBXSVQ

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/KUGBXSVQ3DRRL4DNYEYOQVFFGK \
  | 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: 550c1bcab0d8e315f06dc130e854a5328fa9d8ff9fbf0100ac6b66c1a2e01ebd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee97de70d39740d8d2217a6f0a7915d4952caf54fbae3d09130de9c3fd4b10ae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-06-06T12:19:08Z",
    "title_canon_sha256": "49b46a2ad0ff7e7de2775cff691b6ea5fcce273c1604ee9a0ea4d20f3b9d981c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.1041",
    "kind": "arxiv",
    "version": 1
  }
}