Pith Number

pith:3T7VXAXV

pith:2003:3T7VXAXV3XT3YOIVXTYRBTX2ZD

not attested not anchored not stored refs pending

The final two redshifts for radio sources from the equatorial BRL sample

Garching), H.J.A. Rottgering (Sterrewacht Leiden), J.A. Peacock (IfA Edinburgh), J.S. Dunlop (IfA Edinburgh), M.D. Lehnert (MPE, M.H. Brookes (IfA Edinburgh), P.N. Best (IfA Edinburgh), R.E. Dowsett (IfA Edinburgh)

arxiv:astro-ph/0309081 v1 · 2003-09-02 · 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{3T7VXAXV3XT3YOIVXTYRBTX2ZD}

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	2026-07-04T16:51:34.559033Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dcff5b82f5dde7bc3915bcf110cefac8d0dc905bc7de213b2afb82b21bc9ad61

Aliases

arxiv: astro-ph/0309081 · arxiv_version: astro-ph/0309081v1 · doi: 10.48550/arxiv.astro-ph/0309081 · pith_short_12: 3T7VXAXV3XT3 · pith_short_16: 3T7VXAXV3XT3YOIV · pith_short_8: 3T7VXAXV

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/3T7VXAXV3XT3YOIVXTYRBTX2ZD \
  | 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: dcff5b82f5dde7bc3915bcf110cefac8d0dc905bc7de213b2afb82b21bc9ad61

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03ab43a9bf8ea68772e1a1e538ca5f20cb1db3fe03a8290e25512fd0fe833fb8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-09-02T22:35:42Z",
    "title_canon_sha256": "c1b6254de425b64675a2729eaec25ed2f76c692b9d646cbc0b04fe0d14b6e71a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0309081",
    "kind": "arxiv",
    "version": 1
  }
}