Pith Number

pith:P2YDS2VC

pith:2017:P2YDS2VCSVXEYGJMJC4MUHAMTJ

not attested not anchored not stored refs pending

Efficient Spherical Designs with Good Geometric Properties

Robert S. Womersley

arxiv:1709.01624 v1 · 2017-09-05 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P2YDS2VCSVXEYGJMJC4MUHAMTJ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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

The Grasshopper Problem on the Sphere

Receipt and verification

First computed	2026-05-18T00:35:54.740260Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7eb0396aa2956e4c192c48b8ca1c0c9a5af8a9a8b95b5833a6c1e0d6bb3479e0

Aliases

arxiv: 1709.01624 · arxiv_version: 1709.01624v1 · doi: 10.48550/arxiv.1709.01624 · pith_short_12: P2YDS2VCSVXE · pith_short_16: P2YDS2VCSVXEYGJM · pith_short_8: P2YDS2VC

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/P2YDS2VCSVXEYGJMJC4MUHAMTJ \
  | 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: 7eb0396aa2956e4c192c48b8ca1c0c9a5af8a9a8b95b5833a6c1e0d6bb3479e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1d0bfd82af94abb4419c6247bdeef9ca93bd55ee36750a79291cd3512f8df25",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-09-05T23:28:22Z",
    "title_canon_sha256": "ccc858e0f389cdfb2406a1af399b328ff4822699369683b8d6a27f95c4ab1bb5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.01624",
    "kind": "arxiv",
    "version": 1
  }
}