Pith Number

pith:3MLIBVBL

pith:2003:3MLIBVBLB2FLMG6KB5PGFBWHQ5

not attested not anchored not stored refs pending

The Radio Loud / Radio Quiet dichotomy: news from the 2dF QSO Redshift Survey

A. Celotti, L. Danese, M. Cirasuolo, M. Magliocchetti

arxiv:astro-ph/0301526 v2 · 2003-01-27 · 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{3MLIBVBLB2FLMG6KB5PGFBWHQ5}

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	2026-07-04T16:36:23.463167Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db1680d42b0e8ab61bca0f5e6286c7877460091d00127990f7a2c1981157d3cb

Aliases

arxiv: astro-ph/0301526 · arxiv_version: astro-ph/0301526v2 · doi: 10.48550/arxiv.astro-ph/0301526 · pith_short_12: 3MLIBVBLB2FL · pith_short_16: 3MLIBVBLB2FLMG6K · pith_short_8: 3MLIBVBL

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/3MLIBVBLB2FLMG6KB5PGFBWHQ5 \
  | 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: db1680d42b0e8ab61bca0f5e6286c7877460091d00127990f7a2c1981157d3cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ecd61a499f0a54989b1678236c03044a188be2e9f12dd942afffaf1056cbb03",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-01-27T09:52:07Z",
    "title_canon_sha256": "ca2bfb647560c1365a8a957ed71d330e8a93caf89761a38979faa56adda6de69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0301526",
    "kind": "arxiv",
    "version": 2
  }
}