Pith Number

pith:ETY4WVGI

pith:2012:ETY4WVGIRJT5WWBNQNJKUALBY2

not attested not anchored not stored refs pending

Examining the Radio-Loud/Radio-Quiet dichotomy with new Chandra and VLA observations of 13 UGC galaxies

3), (4) STSCI, (5) Istituto di Astrofisica Spaziale e Fisica Cosmica, A. Capetti (2), A. Robinson (1), B. Balmaverde (7), D. J. Axon (1, D. Macchetto (4), G. Giovannini (6), Italy), Italy (3) Univ. of Sussex, Italy (6) Istituto di Radioastronomia di Bologna, Italy (7) Universita di Torino, M. Chiaberge (4), MD, NY (2) Osservatorio Astronomico di Torino, P. Grandi (5), Preeti Kharb (1), R. Montez (1) ((1) Rochester Institute of Technology, UK

arxiv:1201.4175 v1 · 2012-01-19 · astro-ph.CO · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ETY4WVGIRJT5WWBNQNJKUALBY2}

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	2026-05-18T01:58:46.526454Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24f1cb54c88a67db582d8352aa0161c6b95897e5d5b6eb79510f16f691f261a2

Aliases

arxiv: 1201.4175 · arxiv_version: 1201.4175v1 · doi: 10.48550/arxiv.1201.4175 · pith_short_12: ETY4WVGIRJT5 · pith_short_16: ETY4WVGIRJT5WWBN · pith_short_8: ETY4WVGI

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/ETY4WVGIRJT5WWBNQNJKUALBY2 \
  | 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: 24f1cb54c88a67db582d8352aa0161c6b95897e5d5b6eb79510f16f691f261a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2aaaf771f0fc8d9b22e4dc40d6a360c1a693699f8ca5097113a23b136f590356",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-01-19T21:02:45Z",
    "title_canon_sha256": "37fb51642a12d8b61cbe16e340e2a9b5bf5a8237d00e6bfc9889b09e8b51c8b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.4175",
    "kind": "arxiv",
    "version": 1
  }
}