Pith Number

pith:T2SHG5AR

pith:1998:T2SHG5ARDYFLQDVM3JPQL4SYMQ

not attested not anchored not stored refs pending

An Efficient Technique to Determine the Power Spectrum from Cosmic Microwave Background Sky Maps

David N. Spergel (Princeton), Gary Hinshaw (NASA/GSFC), Siang Peng Oh

arxiv:astro-ph/9805339 v2 · 1998-05-28 · 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{T2SHG5ARDYFLQDVM3JPQL4SYMQ}

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

Searching for Inflationary Physics with the CMB Trispectrum: 2. Code & Validation

Receipt and verification

First computed	2026-07-04T16:06:42.657762Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ea47374111e0ab80eacda5f05f258640ac176de7ce45f62675a8a59ad930067

Aliases

arxiv: astro-ph/9805339 · arxiv_version: astro-ph/9805339v2 · doi: 10.48550/arxiv.astro-ph/9805339 · pith_short_12: T2SHG5ARDYFL · pith_short_16: T2SHG5ARDYFLQDVM · pith_short_8: T2SHG5AR

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/T2SHG5ARDYFLQDVM3JPQL4SYMQ \
  | 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: 9ea47374111e0ab80eacda5f05f258640ac176de7ce45f62675a8a59ad930067

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45f3faa6b230537d31158ddfcb920a89ba7aba398ac8f0450015402fadc17594",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-05-28T00:17:24Z",
    "title_canon_sha256": "714a146a6bdefc715e62bb412f192a7c933bdeee7143dfb24fee23d7028e1c7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9805339",
    "kind": "arxiv",
    "version": 2
  }
}