Pith Number

pith:SLSHRXKE

pith:2018:SLSHRXKETOXZUYXLV5AGOTPZQC

not attested not anchored not stored refs pending

A spectral interpolation scheme on the unit sphere based on the nodes of spherical Lissajous curves

Wolfgang Erb

arxiv:1802.06546 v2 · 2018-02-19 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SLSHRXKETOXZUYXLV5AGOTPZQC}

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	2026-05-18T00:10:17.015161Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

92e478dd449baf9a62ebaf40674df9809581e869355dce1724a82b769e8ea879

Aliases

arxiv: 1802.06546 · arxiv_version: 1802.06546v2 · doi: 10.48550/arxiv.1802.06546 · pith_short_12: SLSHRXKETOXZ · pith_short_16: SLSHRXKETOXZUYXL · pith_short_8: SLSHRXKE

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/SLSHRXKETOXZUYXLV5AGOTPZQC \
  | 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: 92e478dd449baf9a62ebaf40674df9809581e869355dce1724a82b769e8ea879

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a8d77b2f0276e5457457fa87e613ab4cd4cdbdf10c37d267d2eaf8069a1b875",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-02-19T08:32:41Z",
    "title_canon_sha256": "0a2e226dcb5df8a32e7a0646e6f4af173195896c7fdf3acd1455bd60f536aac5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.06546",
    "kind": "arxiv",
    "version": 2
  }
}