Pith Number

pith:LPI5V4KD

pith:2001:LPI5V4KDYG4DXA3F7PCBUB2REJ

not attested not anchored not stored refs pending

DASI First Results: A Measurement of the Cosmic Microwave Background Angular Power Spectrum

(2) UC Berkeley, (3) JPL, (4) Caltech), A. C. S. Readhead (4) ((1) University of Chicago, B. S. Mason (4), C. Pryke (1), E. M. Leitch (1), J. E. Carlstrom (1), J. K. Cartwright (4), J. Kovac (1), M. C. Shepherd (4), M. Dragovan (3), N. W. Halverson (1), S. Padin (4), T. J. Pearson (4), W. L. Holzapfel (2)

arxiv:astro-ph/0104489 v2 · 2001-04-30 · 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{LPI5V4KDYG4DXA3F7PCBUB2REJ}

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	2026-07-04T16:23:19.094396Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5bd1daf143c1b83b8365fbc41a0751224792bfd042ccdc58dcd0305378f78253

Aliases

arxiv: astro-ph/0104489 · arxiv_version: astro-ph/0104489v2 · doi: 10.48550/arxiv.astro-ph/0104489 · pith_short_12: LPI5V4KDYG4D · pith_short_16: LPI5V4KDYG4DXA3F · pith_short_8: LPI5V4KD

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/LPI5V4KDYG4DXA3F7PCBUB2REJ \
  | 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: 5bd1daf143c1b83b8365fbc41a0751224792bfd042ccdc58dcd0305378f78253

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ccff97ecaf3b0f0197ae901a145ba37518cf2ffd272bec38007d2828829a7d54",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-04-30T22:00:48Z",
    "title_canon_sha256": "1dc27c70687b043485791fcc2a2b48cfb2e99b0b68ee43e495de24e0bce38648"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0104489",
    "kind": "arxiv",
    "version": 2
  }
}