Pith Number

pith:5UUHBKUL

pith:2018:5UUHBKULAKI4FJA3DJ6QXKPPFI

not attested not anchored not stored refs pending

First evidence of diffuse ultra-steep-spectrum radio emission surrounding the cool core of a cluster

Amanda Wilber, Andrea Botteon, Annalisa Bonafede, David Rafferty, Federica Savini, Francesco de Gasperin, Gianfranco Brunetti, Glenn White, Huib Intema, Huub Roettgering, Marcus Brueggen, Matthias Hoeft, Reinout van Weeren, Rossella Cassano, Simona Giacintucci, Timothy Shimwell, Virginia Cuciti

arxiv:1805.01900 v1 · 2018-05-04 · 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{5UUHBKULAKI4FJA3DJ6QXKPPFI}

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	2026-05-18T00:15:54.179172Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed2870aa8b0291c2a41b1a7d0ba9ef2a28b1ddde045d03eaac1006f801eb35e9

Aliases

arxiv: 1805.01900 · arxiv_version: 1805.01900v1 · doi: 10.48550/arxiv.1805.01900 · pith_short_12: 5UUHBKULAKI4 · pith_short_16: 5UUHBKULAKI4FJA3 · pith_short_8: 5UUHBKUL

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/5UUHBKULAKI4FJA3DJ6QXKPPFI \
  | 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: ed2870aa8b0291c2a41b1a7d0ba9ef2a28b1ddde045d03eaac1006f801eb35e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d0950e68ad6cae6e032a43db1e4fffcf45fdfcd1a113d89b79aad7e409af664",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-05-04T18:00:01Z",
    "title_canon_sha256": "ab15bf5e5f087c162ff0a30458e1fcc3720c651ee365403ab588e18628601eb9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.01900",
    "kind": "arxiv",
    "version": 1
  }
}