Pith Number

pith:F64Y4SQT

pith:2002:F64Y4SQTPOVTA7NECQX5EGMDW2

not attested not anchored not stored refs pending

HST images of B2 radio galaxies: a link between circum-nuclear dust and radio properties?

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

arxiv:astro-ph/0210503 v1 · 2002-10-23 · 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{F64Y4SQTPOVTA7NECQX5EGMDW2}

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	2026-07-04T16:31:01.395777Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fb98e4a137bab307da4142fd21983b685bf3c0aec072048bc0910382aecdfac

Aliases

arxiv: astro-ph/0210503 · arxiv_version: astro-ph/0210503v1 · doi: 10.48550/arxiv.astro-ph/0210503 · pith_short_12: F64Y4SQTPOVT · pith_short_16: F64Y4SQTPOVTA7NE · pith_short_8: F64Y4SQT

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/F64Y4SQTPOVTA7NECQX5EGMDW2 \
  | 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: 2fb98e4a137bab307da4142fd21983b685bf3c0aec072048bc0910382aecdfac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c967d6a3ad8da444356b46e2fd1bc32b1e78ae9af7a1834b50da3f881b0beef",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-10-23T07:42:04Z",
    "title_canon_sha256": "fed2c69e1a83b557376b4578b4252efd0820aaa6ebca917d5bc2db4c3fcc6621"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0210503",
    "kind": "arxiv",
    "version": 1
  }
}