Pith Number

pith:GMVGNA6N

pith:2021:GMVGNA6NXRTQJLIDHWNHEPKUOD

not attested not anchored not stored refs pending

Pushing subarcsecond resolution imaging down to 30 MHz with the trans-European International LOFAR Telescope

A. Botteon, A. Kappes, A. Offringa, C. Groeneveld, F. De Gasperin, F. Sweijen, G. Brunetti, G. K. Miley, H. J. A. R\"ottgering, J. Moldon, J. R. Callingham, L. K. Morabito, M. Bondi, M. Br\"uggen, R. J. van Weeren

arxiv:2108.07286 v2 · 2021-08-16 · 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{GMVGNA6NXRTQJLIDHWNHEPKUOD}

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	2026-07-05T03:51:31.400310Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

332a6683cdbc6704ad033d9a723d5470d7db857bbbd2be11f8899d8f14b55891

Aliases

arxiv: 2108.07286 · arxiv_version: 2108.07286v2 · doi: 10.48550/arxiv.2108.07286 · pith_short_12: GMVGNA6NXRTQ · pith_short_16: GMVGNA6NXRTQJLID · pith_short_8: GMVGNA6N

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/GMVGNA6NXRTQJLIDHWNHEPKUOD \
  | 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: 332a6683cdbc6704ad033d9a723d5470d7db857bbbd2be11f8899d8f14b55891

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "813f4959f781cefee5374740f4f372c7d1997414a4cd0a636286f3a845a91fe0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-08-16T18:00:23Z",
    "title_canon_sha256": "b6e0acb8abca419774d86104caf0645e967e4973458234c06702b00e7bf100ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.07286",
    "kind": "arxiv",
    "version": 2
  }
}