Pith Number

pith:UNFZWIS3

pith:2004:UNFZWIS34WKSQZL3XBOPF2NKYH

not attested not anchored not stored refs pending

Scanning strategy for mapping the Cosmic Microwave Background anisotropies with Planck

Netherlands), Noordwijk, X. Dupac & J. Tauber (ESA-ESTEC

arxiv:astro-ph/0409405 v2 · 2004-09-16 · 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{UNFZWIS34WKSQZL3XBOPF2NKYH}

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	2026-07-04T16:44:42.620939Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a34b9b225be59528657bb85cf2e9aac1dc7979057c7704c03909f8720f2bd1f6

Aliases

arxiv: astro-ph/0409405 · arxiv_version: astro-ph/0409405v2 · doi: 10.48550/arxiv.astro-ph/0409405 · pith_short_12: UNFZWIS34WKS · pith_short_16: UNFZWIS34WKSQZL3 · pith_short_8: UNFZWIS3

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/UNFZWIS34WKSQZL3XBOPF2NKYH \
  | 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: a34b9b225be59528657bb85cf2e9aac1dc7979057c7704c03909f8720f2bd1f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea499921c8454a16ac6d2c9b164440d0ffef36f110492f52bfbd4f5034f43401",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-09-16T15:24:34Z",
    "title_canon_sha256": "87eca583a2e7f9c71a978feea867b3cd0b1820be4d3d792795add08442a689d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0409405",
    "kind": "arxiv",
    "version": 2
  }
}