Pith Number

pith:DVYKOITO

pith:2018:DVYKOITOXJJ2TI2ALO7LEOHJPD

not attested not anchored not stored refs pending

Fast SGL Fourier transforms for scattered data

Christian W\"ulker

arxiv:1809.10786 v2 · 2018-09-27 · math.NA · cs.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{DVYKOITOXJJ2TI2ALO7LEOHJPD}

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	2026-05-17T23:41:17.840073Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d70a7226eba53a9a3405bbeb238e978e9d48097b726c63be5f36a9486047700

Aliases

arxiv: 1809.10786 · arxiv_version: 1809.10786v2 · doi: 10.48550/arxiv.1809.10786 · pith_short_12: DVYKOITOXJJ2 · pith_short_16: DVYKOITOXJJ2TI2A · pith_short_8: DVYKOITO

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/DVYKOITOXJJ2TI2ALO7LEOHJPD \
  | 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: 1d70a7226eba53a9a3405bbeb238e978e9d48097b726c63be5f36a9486047700

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "489aa5f881d61eba2218ae5ce9e5a907111fe4052c67e74cbf61aa0eacd374ea",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-09-27T22:26:37Z",
    "title_canon_sha256": "d82a6d1a38f6eeed2cf6a038de314b51bfcb50dc95becc71cc85df90f6d47c83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.10786",
    "kind": "arxiv",
    "version": 2
  }
}