Pith Number

pith:7U24IRA2

pith:2000:7U24IRA2JA5GOAAEDNPF4G3ULC

not attested not anchored not stored refs pending

Cosmological Constraints from the Cosmic Microwave Background

A. Blanchard (Observatoire Midi-Pyrenees, J.G. Bartlett, M. Douspis, M. Le Dour, Toulouse France)

arxiv:astro-ph/0004282 v2 · 2000-04-19 · 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{7U24IRA2JA5GOAAEDNPF4G3ULC}

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	2026-05-18T04:21:42.682422Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd35c4441a483a6700041b5e5e1b7458a8b857274c0b5d8fa8783d773be05468

Aliases

arxiv: astro-ph/0004282 · arxiv_version: astro-ph/0004282v2 · doi: 10.48550/arxiv.astro-ph/0004282 · pith_short_12: 7U24IRA2JA5G · pith_short_16: 7U24IRA2JA5GOAAE · pith_short_8: 7U24IRA2

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/7U24IRA2JA5GOAAEDNPF4G3ULC \
  | 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: fd35c4441a483a6700041b5e5e1b7458a8b857274c0b5d8fa8783d773be05468

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "407496032a79ed9a1dfbb7193d5967cc49d1d8cc2f74ee758144d9db498549fc",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-04-19T17:47:26Z",
    "title_canon_sha256": "d14b282766ca3186847ac6839b45468ce9f2f233f99300f158b85812d0d21679"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0004282",
    "kind": "arxiv",
    "version": 2
  }
}