Pith Number

pith:V3WPVZJR

pith:2004:V3WPVZJRMTCY7PFNO3UG2HCV2H

not attested not anchored not stored refs pending

Unbiased Estimation of an Angular Power Spectrum

A.Balbi, D.Marinucci, E.Hivon, G.Polenta, N.Vittorio, P.de Bernardis, P.Natoli, S.Masi

arxiv:astro-ph/0402428 v2 · 2004-02-18 · 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{V3WPVZJRMTCY7PFNO3UG2HCV2H}

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

2 papers in Pith

Blind mitigation of foreground-induced biases on primordial $B$ modes for ground-based CMB experiments

BROOM: a python package for model-independent analysis of microwave astronomical data

Receipt and verification

First computed	2026-07-04T14:49:36.977090Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aeecfae53164c58fbcad76e86d1c55d1d70ffbfd107d415405b43651d4821b57

Aliases

arxiv: astro-ph/0402428 · arxiv_version: astro-ph/0402428v2 · doi: 10.48550/arxiv.astro-ph/0402428 · pith_short_12: V3WPVZJRMTCY · pith_short_16: V3WPVZJRMTCY7PFN · pith_short_8: V3WPVZJR

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/V3WPVZJRMTCY7PFNO3UG2HCV2H \
  | 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: aeecfae53164c58fbcad76e86d1c55d1d70ffbfd107d415405b43651d4821b57

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4fe85b9104d4fe4ab39c074cb8ec66cb17e1a5262f7f85407c2c8dff3cd6454",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-02-18T10:08:03Z",
    "title_canon_sha256": "49c007665c2db63d921894a1ffba98aa0486642808d038b765f86b4766a55d62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0402428",
    "kind": "arxiv",
    "version": 2
  }
}