Pith Number

pith:LBA2ZY6T

pith:2004:LBA2ZY6TKC4OR4YCRN7SSENSWH

not attested not anchored not stored refs pending

Testing the homogeneity of bright radio sources at 15 GHz

E. Ros, J.A. Zensus, M.L. Lister, T.G. Arshakian

arxiv:astro-ph/0403339 v1 · 2004-03-15 · 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{LBA2ZY6TKC4OR4YCRN7SSENSWH}

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	2026-05-18T00:37:00.674409Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5841ace3d350b8e8f3028b7f2911b2b1f03dd2ae2dec5b54dd13fdb7e07bb0b8

Aliases

arxiv: astro-ph/0403339 · arxiv_version: astro-ph/0403339v1 · doi: 10.48550/arxiv.astro-ph/0403339 · pith_short_12: LBA2ZY6TKC4O · pith_short_16: LBA2ZY6TKC4OR4YC · pith_short_8: LBA2ZY6T

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/LBA2ZY6TKC4OR4YCRN7SSENSWH \
  | 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: 5841ace3d350b8e8f3028b7f2911b2b1f03dd2ae2dec5b54dd13fdb7e07bb0b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "212ccb6722e5cf2030d440c7ece3022fb499f4b5650e6b609f13be6189171a9f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-03-15T14:02:53Z",
    "title_canon_sha256": "48569560ee074a0f2f1c9957d548b71e5a8b02f4e242694777c1a666408d1346"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0403339",
    "kind": "arxiv",
    "version": 1
  }
}