Pith Number

pith:X5CF6WEN

pith:2000:X5CF6WENMY2SKN6FGR2VXTZWKE

not attested not anchored not stored refs pending

A measurement at the first acoustic peak of the CMB with the 33 GHz interferometer

(2) Instituto de Astrofisica de Canarias, 3), (3) Consejo Superior de Investigaciones Cientificas, C. M. Gutierrez (2), D. L. Harrison (1), J. A. Rubino-Martin (2), J. F. Macias-Perez (1) ((1) University of Manchester, Jodrell Bank Observatory, R. A. Watson (1), R. D. Davies (1), R. J. Davis (1), R. Rebolo (2, S. J. Melhuish (1), Spain, Spain), UK

arxiv:astro-ph/0004357 v2 · 2000-04-26 · 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{X5CF6WENMY2SKN6FGR2VXTZWKE}

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	2026-07-04T16:16:21.458645Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf445f588d66352537c534755bcf365100a8c3054bf8585e61a47bf22646679e

Aliases

arxiv: astro-ph/0004357 · arxiv_version: astro-ph/0004357v2 · doi: 10.48550/arxiv.astro-ph/0004357 · pith_short_12: X5CF6WENMY2S · pith_short_16: X5CF6WENMY2SKN6F · pith_short_8: X5CF6WEN

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/X5CF6WENMY2SKN6FGR2VXTZWKE \
  | 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: bf445f588d66352537c534755bcf365100a8c3054bf8585e61a47bf22646679e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb77cd249671212e240ce4ebe15b98cee646bc9d6808b5bb22d339cb098c6116",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-04-26T15:55:00Z",
    "title_canon_sha256": "4b60a84dfe0369aa86b5bccda7600f8a3c5c5fb5bb8bb7763db5133b37aa5ea9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0004357",
    "kind": "arxiv",
    "version": 2
  }
}