Pith Number

pith:XN4SSI5Y

pith:2006:XN4SSI5YFXYPJE3EAVMIE2VBYU

not attested not anchored not stored refs pending

CMB signal in WMAP 3yr data with FastICA

A.J.Banday, C.Baccigalupi, D.Maino, F.Stivoli, S.Donzelli

arxiv:astro-ph/0609228 v1 · 2006-09-08 · 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{XN4SSI5YFXYPJE3EAVMIE2VBYU}

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	2026-05-18T03:36:27.432805Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb792923b82df0f493640558826aa1c520f6e4bf02eae3f7bedbe9123cfffa05

Aliases

arxiv: astro-ph/0609228 · arxiv_version: astro-ph/0609228v1 · doi: 10.48550/arxiv.astro-ph/0609228 · pith_short_12: XN4SSI5YFXYP · pith_short_16: XN4SSI5YFXYPJE3E · pith_short_8: XN4SSI5Y

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/XN4SSI5YFXYPJE3EAVMIE2VBYU \
  | 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: bb792923b82df0f493640558826aa1c520f6e4bf02eae3f7bedbe9123cfffa05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "410358248c6f3b3faf4c57cc479de09102b296e520faaeeb4644a176e98d5424",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-09-08T13:52:03Z",
    "title_canon_sha256": "d229c78fecd9b0722f56d21f794f48b7f8e2124ccecfe5b2fb35be8149b29e3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0609228",
    "kind": "arxiv",
    "version": 1
  }
}