Pith Number

pith:F7SMMMSR

pith:2011:F7SMMMSRSIFDOMNT3YFCF3T5NH

not attested not anchored not stored refs pending

Deep imaging of Fanaroff-Riley Class I radio galaxies with lobes

2), (2) INAF-IRA, (3) NRAO), A. H. Bridle (3), D. Guidetti (1, M. Bondi (2) ((1) ESO, P. Parma (2), R. A. Laing (1)

arxiv:1107.2511 v1 · 2011-07-13 · 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{F7SMMMSRSIFDOMNT3YFCF3T5NH}

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	2026-05-18T02:01:19.167359Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fe4c63251920a3731b3de0a22ee7d69c792c0c6ef47e76d70deb305827a5d91

Aliases

arxiv: 1107.2511 · arxiv_version: 1107.2511v1 · doi: 10.48550/arxiv.1107.2511 · pith_short_12: F7SMMMSRSIFD · pith_short_16: F7SMMMSRSIFDOMNT · pith_short_8: F7SMMMSR

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/F7SMMMSRSIFDOMNT3YFCF3T5NH \
  | 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: 2fe4c63251920a3731b3de0a22ee7d69c792c0c6ef47e76d70deb305827a5d91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1968c9c335e5a02db0f89181dd559a403660ea9fddb9097a9b7859fd65b0e04d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-07-13T10:15:58Z",
    "title_canon_sha256": "7be2b8b950c4e95e132ceefaf1fc07f5494c79ef77baa963b2560e762a6032bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.2511",
    "kind": "arxiv",
    "version": 1
  }
}