Pith Number

pith:N7QFSRMX

pith:2014:N7QFSRMXTV5XWKJ2PYMMK2CJLH

not attested not anchored not stored refs pending

An Optimal-Dimensionality Sampling Scheme on the Sphere with Fast Spherical Harmonic Transforms

Jason D. McEwen, Rodney A. Kennedy, Zubair Khalid

arxiv:1403.4661 v2 · 2014-03-19 · cs.IT · math.IT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N7QFSRMXTV5XWKJ2PYMMK2CJLH}

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	2026-05-18T02:46:39.114936Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6fe05945979d7b7b293a7e18c5684959fe310daf5150f09b8ec933622e9072d1

Aliases

arxiv: 1403.4661 · arxiv_version: 1403.4661v2 · doi: 10.48550/arxiv.1403.4661 · pith_short_12: N7QFSRMXTV5X · pith_short_16: N7QFSRMXTV5XWKJ2 · pith_short_8: N7QFSRMX

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/N7QFSRMXTV5XWKJ2PYMMK2CJLH \
  | 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: 6fe05945979d7b7b293a7e18c5684959fe310daf5150f09b8ec933622e9072d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6dd414dd7238120ac7a214aeab3c8de3a2fdb1da15e637e5063e664443df385b",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-03-19T01:40:56Z",
    "title_canon_sha256": "dece6d68cc865419d0f882755b4b166b3e7145fc4d45b7c98a666eebd6c15322"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.4661",
    "kind": "arxiv",
    "version": 2
  }
}