Pith Number

pith:VF62HPLD

pith:1993:VF62HPLD5RIEHF75YHKJU26GOV

not attested not anchored not stored refs pending

On the Relationship between BL-Lacertae Objects and FRI Radio Galaxies

Geoffrey V. Bicknell

arxiv:astro-ph/9308033 v1 · 1993-08-25 · 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{VF62HPLD5RIEHF75YHKJU26GOV}

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	2026-07-04T15:55:07.475308Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a97da3bd63ec504397fdc1d49a6bc6757e9a79c60c6991fff554af275cf6f628

Aliases

arxiv: astro-ph/9308033 · arxiv_version: astro-ph/9308033v1 · doi: 10.48550/arxiv.astro-ph/9308033 · pith_short_12: VF62HPLD5RIE · pith_short_16: VF62HPLD5RIEHF75 · pith_short_8: VF62HPLD

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/VF62HPLD5RIEHF75YHKJU26GOV \
  | 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: a97da3bd63ec504397fdc1d49a6bc6757e9a79c60c6991fff554af275cf6f628

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b23864cf3e3df431b1e10d5c9a16857a89fed6e20fa6ffc4f3a2bb53020561ec",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1993-08-25T20:08:04Z",
    "title_canon_sha256": "1e63fbf9ab44314b7289f535a90838cc44f754e16e68fe19b02101cf82c62445"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9308033",
    "kind": "arxiv",
    "version": 1
  }
}