Pith Number

pith:SH4B7LA5

pith:1998:SH4B7LA5XNOJZS7J6J7ODN7JXG

not attested not anchored not stored refs pending

Radiative ages in a representative sample of low luminosity radio galaxies

A. Capetti, H.R. de Ruiter, M. Murgia, P. Parma, R. Fanti, R. Morganti

arxiv:astro-ph/9812413 v1 · 1998-12-22 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SH4B7LA5XNOJZS7J6J7ODN7JXG}

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

The ultra low-frequency spectral properties of bright extended radio galaxies in the 3CRR catalogue

Receipt and verification

First computed	2026-07-04T14:16:27.606801Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91f81fac1dbb5c9ccbe9f27ee1b7e9b9ba472691f3bf8d332940b5d530890d5e

Aliases

arxiv: astro-ph/9812413 · arxiv_version: astro-ph/9812413v1 · doi: 10.48550/arxiv.astro-ph/9812413 · pith_short_12: SH4B7LA5XNOJ · pith_short_16: SH4B7LA5XNOJZS7J · pith_short_8: SH4B7LA5

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/SH4B7LA5XNOJZS7J6J7ODN7JXG \
  | 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: 91f81fac1dbb5c9ccbe9f27ee1b7e9b9ba472691f3bf8d332940b5d530890d5e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "edce74d30fc17da476965da4f8807353cd500ac4be372d94aedba8356b482a2c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-12-22T17:10:13Z",
    "title_canon_sha256": "8358e59f0f4f5a3ebe3798edd27d6a241130972291a0db430ad10f1900e31fcf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9812413",
    "kind": "arxiv",
    "version": 1
  }
}