Pith Number

pith:4V6VBUHX

pith:2003:4V6VBUHX7IDHLWO567W4B5MZLK

not attested not anchored not stored refs pending

First Year Wilkinson Microwave Anisotropy Probe (WMAP) Observations: Angular Power Spectrum

(2) Princeton, (3) SSAI, (4) U. Chicago, (5) UBC, (6) Brown, (7) UCLA), A. Kogut (1), C. Barnes (1), C. L. Bennett (2), D. N. Spergel (2), E. Komatsu (2), E. L. Wright (7) ((1) NASA's GSFC, E. Wollack (1), G. Hinshaw (1), G. S. Tucker (6), J. Weiland (3), L. Page (2), L. Verde (2), M. Halpern (5), M. Limon (1), N. Jarosik (2), R. S. Hill (3), S. S. Meyer (4)

arxiv:astro-ph/0302217 v1 · 2003-02-11 · 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{4V6VBUHX7IDHLWO567W4B5MZLK}

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	2026-05-18T04:22:19.854158Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e57d50d0f7fa0675d9ddf7edc0f5995a9b24d4a37ebf038517a81d5d54f2b30a

Aliases

arxiv: astro-ph/0302217 · arxiv_version: astro-ph/0302217v1 · doi: 10.48550/arxiv.astro-ph/0302217 · pith_short_12: 4V6VBUHX7IDH · pith_short_16: 4V6VBUHX7IDHLWO5 · pith_short_8: 4V6VBUHX

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/4V6VBUHX7IDHLWO567W4B5MZLK \
  | 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: e57d50d0f7fa0675d9ddf7edc0f5995a9b24d4a37ebf038517a81d5d54f2b30a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d19e72ac7c6301d3729086c85488125c58cf3a08cb8152a8407e9908d68ce935",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-02-11T21:41:09Z",
    "title_canon_sha256": "34e6e5459c837f4ad5ca7cd3fce0fc26512abddc2b542164c4c8607d848c829a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0302217",
    "kind": "arxiv",
    "version": 1
  }
}