Pith Number

pith:ZPVVVZEA

pith:2003:ZPVVVZEAIL4EV52DO6UUHYKC75

not attested not anchored not stored refs pending

CMB power spectrum estimation and map reconstruction with the Expectation - Maximization algorithm

E. Martinez-Gonzalez, J. M. Diego, J. Silk, P. Vielva

arxiv:astro-ph/0302094 v3 · 2003-02-05 · 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{ZPVVVZEAIL4EV52DO6UUHYKC75}

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.

Cited by

1 paper in Pith

Planck constraints on the scale dependence of isotropic cosmic birefringence

Receipt and verification

First computed	2026-07-04T16:36:26.815232Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cbeb5ae48042f84af74377a943e142ff7b85f07f397405eb5a6dc31e69359925

Aliases

arxiv: astro-ph/0302094 · arxiv_version: astro-ph/0302094v3 · doi: 10.48550/arxiv.astro-ph/0302094 · pith_short_12: ZPVVVZEAIL4E · pith_short_16: ZPVVVZEAIL4EV52D · pith_short_8: ZPVVVZEA

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/ZPVVVZEAIL4EV52DO6UUHYKC75 \
  | 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: cbeb5ae48042f84af74377a943e142ff7b85f07f397405eb5a6dc31e69359925

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3c6e917c66aabf99757626c17134d37d40e68c0df885c1ba1a1231f08bd93d9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-02-05T20:54:29Z",
    "title_canon_sha256": "5416c8227a2f6bb555892861f9ffec39965eaae0a350e3f245d2ca677241a9bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0302094",
    "kind": "arxiv",
    "version": 3
  }
}