Pith Number

pith:6R5CPID3

pith:2001:6R5CPID3O5QBI3V44IAYIBH2JH

not attested not anchored not stored refs pending

A new sample of large angular size radio galaxies. II. The optical data

G. Giovannini, I. Marquez, J.M. Marcaide, L. Feretti, L. Lara, T. Venturi, W.D. Cotton

arxiv:astro-ph/0109188 v1 · 2001-09-12 · 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{6R5CPID3O5QBI3V44IAYIBH2JH}

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	2026-07-04T16:24:06.255457Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f47a27a07b7760146ebce2018404fa49f3ec94a89897a89ebadae7fb4cc04aeb

Aliases

arxiv: astro-ph/0109188 · arxiv_version: astro-ph/0109188v1 · doi: 10.48550/arxiv.astro-ph/0109188 · pith_short_12: 6R5CPID3O5QB · pith_short_16: 6R5CPID3O5QBI3V4 · pith_short_8: 6R5CPID3

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/6R5CPID3O5QBI3V44IAYIBH2JH \
  | 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: f47a27a07b7760146ebce2018404fa49f3ec94a89897a89ebadae7fb4cc04aeb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5eef85663f0c39ad0b70e123f26cee9ed30cff9957df01a99142071ace281139",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-09-12T15:54:33Z",
    "title_canon_sha256": "11a9eeb7a07bd3515b9c038fe8fe4884b89d1049fb65be6e00ebe15f5ade4eb5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0109188",
    "kind": "arxiv",
    "version": 1
  }
}