Pith Number

pith:6QNHUQPP

pith:2003:6QNHUQPPOJTGIVMIAF7DLCDYXQ

not attested not anchored not stored refs pending

First Year Wilkinson Microwave Anisotropy Probe (WMAP) Observations: Parameter Estimation Methodology

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

arxiv:astro-ph/0302218 v3 · 2003-02-11 · astro-ph

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

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	2026-05-18T04:22:19.846649Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f41a7a41ef7266645588017e358878bc2fd38ca0829e9b2e495ebf606cdadd23

Aliases

arxiv: astro-ph/0302218 · arxiv_version: astro-ph/0302218v3 · doi: 10.48550/arxiv.astro-ph/0302218 · pith_short_12: 6QNHUQPPOJTG · pith_short_16: 6QNHUQPPOJTGIVMI · pith_short_8: 6QNHUQPP

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/6QNHUQPPOJTGIVMIAF7DLCDYXQ \
  | 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: f41a7a41ef7266645588017e358878bc2fd38ca0829e9b2e495ebf606cdadd23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55942714ecb45df2e4e77e850f855f4e05aa9ccff403377d51b107a615d90709",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-02-11T21:44:30Z",
    "title_canon_sha256": "aaac86d419dde7be009e2eff26a77b2acd2b4229b8db0147fabe49db03b482da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0302218",
    "kind": "arxiv",
    "version": 3
  }
}