Pith Number

pith:KUSJK5RA

pith:2012:KUSJK5RA274KDMSYU3W2SPIERP

not attested not anchored not stored refs pending

Double-double radio galaxies from the FIRST survey

D. J. Saikia, S. Nandi

arxiv:1208.1941 v1 · 2012-08-09 · astro-ph.CO · 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{KUSJK5RA274KDMSYU3W2SPIERP}

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.

Cited by

1 paper in Pith

What is Inside the Double-Double Structure of the Radio Galaxy J0028+0035?

Receipt and verification

First computed	2026-05-18T03:48:45.939861Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5524957620d7f8a1b258a6eda93d048bed513a780276dbffa13c19f3f87fab0a

Aliases

arxiv: 1208.1941 · arxiv_version: 1208.1941v1 · doi: 10.48550/arxiv.1208.1941 · pith_short_12: KUSJK5RA274K · pith_short_16: KUSJK5RA274KDMSY · pith_short_8: KUSJK5RA

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/KUSJK5RA274KDMSYU3W2SPIERP \
  | 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: 5524957620d7f8a1b258a6eda93d048bed513a780276dbffa13c19f3f87fab0a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b238903e407beb7ee35c84d1ea2c3a69d7debef354a6bc438b42cd49010e85de",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-08-09T15:03:01Z",
    "title_canon_sha256": "3c451fdfeb9123632c811d89bdca34de3fd4372f90a953a61c013aa4122dac17"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.1941",
    "kind": "arxiv",
    "version": 1
  }
}