Pith Number

pith:X2OCNEN7

pith:2019:X2OCNEN7IFRQWKCW4FW5O4OQX6

not attested not anchored not stored refs pending

A Fast and Accurate Algorithm for Spherical Harmonic Analysis on HEALPix Grids with Applications to the Cosmic Microwave Background Radiation

Grady B. Wright, Kathryn P. Drake

arxiv:1904.10514 v4 · 2019-04-23 · math.NA · astro-ph.CO · cs.NA · physics.comp-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{X2OCNEN7IFRQWKCW4FW5O4OQX6}

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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

Simulating Partial Sky Cosmic Microwave Background Maps with 3D Fast Fourier Transforms

Receipt and verification

First computed	2026-07-05T01:12:19.143214Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be9c2691bf41630b2856e16dd771d0bfb84010f6a860cdc0183542e36b82bdb8

Aliases

arxiv: 1904.10514 · arxiv_version: 1904.10514v4 · doi: 10.48550/arxiv.1904.10514 · pith_short_12: X2OCNEN7IFRQ · pith_short_16: X2OCNEN7IFRQWKCW · pith_short_8: X2OCNEN7

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/X2OCNEN7IFRQWKCW4FW5O4OQX6 \
  | 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: be9c2691bf41630b2856e16dd771d0bfb84010f6a860cdc0183542e36b82bdb8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "937660178ac3eababe66f53828dbba35ad1df1add4d5d3aaaed2452b23dd3a6e",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "cs.NA",
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-04-23T19:36:38Z",
    "title_canon_sha256": "94717b00e0d6dbd9cc9fe9de937e5cf49696a3b0c49b59b63151ed61385f3127"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.10514",
    "kind": "arxiv",
    "version": 4
  }
}