Pith Number

pith:7DDHDAFR

pith:2012:7DDHDAFR4LWCTWA4V3PPMFEWKY

not attested not anchored not stored refs pending

Radio Continuum Surveys with Square Kilometre Array Pathfinders

Alejo Mart{\i}nez-Sansigre, A. M. Hopkins, Annalisa Bonafede, Anna M. M. Scaife, A. Raccanelli, Arwa Dabbech, B. M. Gaensler, Catherine Cress, Chiara Ferrari, Dan J. B. Smith, David Mary, D. Bacon, E. Middelberg, Emma Rigby, Eric Murphy, G.-B. Zhao, George Heald, G. Giovannini, Gianfranco Brunetti, Grazia Umana, H. Rottgering, Huib van Langevelde, I. Feain, I. G. Roseboom, I. Prandoni, J. Afonso, J. J. Condo, Joseph Lazio, Jose Sabater, Kim McAlpine, Kurt van der Heyden, Mara Salvato, Marijke Haverkorn, Martin Bell, Melanie Johnston-Hollitt, Minnie Y. Mao, M. Jarvis, N. Seymour, Peter-Christian Zinn, Philip Best, P. Padovani, Rainer Beck, Ray P. Norris, Richard Schilizzi, R. J. Beswick, Rob Fender, Roland Kothes, Rossella Cassano, Sanjay Bhatnagar, Tamas Budavari, Zsolt Paragi

arxiv:1210.7521 v1 · 2012-10-28 · astro-ph.CO · 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{7DDHDAFR4LWCTWA4V3PPMFEWKY}

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	2026-05-18T01:53:36.584363Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8c67180b1e2ec29d81caedef61496560cce5794a2f95bfc00408dd54e76fa2a

Aliases

arxiv: 1210.7521 · arxiv_version: 1210.7521v1 · doi: 10.48550/arxiv.1210.7521 · pith_short_12: 7DDHDAFR4LWC · pith_short_16: 7DDHDAFR4LWCTWA4 · pith_short_8: 7DDHDAFR

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/7DDHDAFR4LWCTWA4V3PPMFEWKY \
  | 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: f8c67180b1e2ec29d81caedef61496560cce5794a2f95bfc00408dd54e76fa2a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a17cbe14ffcdaf2db6c7ecb0661f7678261f838444d2dc5dd58c49dc176edc19",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-10-28T23:05:19Z",
    "title_canon_sha256": "3bf5986a58df362ea8e547d11d981c676bbe9589344bb89215647be260de2186"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.7521",
    "kind": "arxiv",
    "version": 1
  }
}