Pith Number

pith:QD3A4D5B

pith:2003:QD3A4D5BKEUO5KTIOH6GAD4AGI

not attested not anchored not stored refs pending

First Year Wilkinson Microwave Anisotropy Probe (WMAP) Observations: On-Orbit Radiometer Characterization

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

arxiv:astro-ph/0302224 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{QD3A4D5BKEUO5KTIOH6GAD4AGI}

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	2026-05-18T04:22:19.823454Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80f60e0fa15128eeaa6871fc600f8032140f41b713bf688668d4ebe1a0cc0bb7

Aliases

arxiv: astro-ph/0302224 · arxiv_version: astro-ph/0302224v1 · doi: 10.48550/arxiv.astro-ph/0302224 · pith_short_12: QD3A4D5BKEUO · pith_short_16: QD3A4D5BKEUO5KTI · pith_short_8: QD3A4D5B

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/QD3A4D5BKEUO5KTIOH6GAD4AGI \
  | 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: 80f60e0fa15128eeaa6871fc600f8032140f41b713bf688668d4ebe1a0cc0bb7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c90ce5e3c3fd29d1337ff3a73f9813393e34f6acd3cb658cc98a4218555c6e4a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-02-11T22:06:54Z",
    "title_canon_sha256": "366b4460eef01ebb55a2a543f408338b90b7445db056fb15b51f2030bbcb16b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0302224",
    "kind": "arxiv",
    "version": 1
  }
}