Pith Number

pith:WU7CUD75

pith:2014:WU7CUD75EQB5G3DUVFW5CXKPCU

not attested not anchored not stored refs pending

Subarcsecond international LOFAR radio images of the M82 nucleus at 118 MHz and 154 MHz

A. T. Deller, B. Adebahr, C. Horellou, E. Varenius, G. Brunetti, G. Heald, G. J. White, G. K. Miley, H. J. A. R\"ottgering, I. Mart\'i-Vidal, J. E. Conway, J. Mold\'on, K. T. Chy\.zy, L. K. Morabito, M. A. P\'erez-Torres, M. Br\"uggen, M. C. Toribio, M. Haverkorn, M. J. Jarvis, N. Jackson, O. Wucknitz, P. Best, R. Beck, R. Beswick, R.-J. Dettmar, S. Aalto, T. D. Carozzi, W. van Driel

arxiv:1411.7680 v1 · 2014-11-27 · 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{WU7CUD75EQB5G3DUVFW5CXKPCU}

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	2026-05-18T02:26:58.641605Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b53e2a0ffd2403d36c74a96dd15d4f1500aa13287fb78bc451a9ab9de016a21a

Aliases

arxiv: 1411.7680 · arxiv_version: 1411.7680v1 · doi: 10.48550/arxiv.1411.7680 · pith_short_12: WU7CUD75EQB5 · pith_short_16: WU7CUD75EQB5G3DU · pith_short_8: WU7CUD75

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/WU7CUD75EQB5G3DUVFW5CXKPCU \
  | 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: b53e2a0ffd2403d36c74a96dd15d4f1500aa13287fb78bc451a9ab9de016a21a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7bb49a281a36a9cbd2fa73e00a3c04e389690ced1bd5d7bd043afc8e274d827",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-11-27T18:53:40Z",
    "title_canon_sha256": "6a14e80aff6c8834e232c7e927443023a5b75cdb05ee65e108206b3323ebdfac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.7680",
    "kind": "arxiv",
    "version": 1
  }
}