Pith Number

pith:5HWFITNS

pith:2018:5HWFITNSJR5ZUU2FXDI7OSNPC7

not attested not anchored not stored refs pending

Numerical performance of optimized Frolov lattices in tensor product reproducing kernel Sobolev spaces

Christopher Kacwin, Jens Oettershagen, Mario Ullrich, Tino Ullrich

arxiv:1802.08666 v1 · 2018-02-23 · 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{5HWFITNSJR5ZUU2FXDI7OSNPC7}

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	2026-05-18T00:22:40.845689Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9ec544db24c7b9a5345b8d1f749af17e91cf978bd56151390e726388bf1734f

Aliases

arxiv: 1802.08666 · arxiv_version: 1802.08666v1 · doi: 10.48550/arxiv.1802.08666 · pith_short_12: 5HWFITNSJR5Z · pith_short_16: 5HWFITNSJR5ZUU2F · pith_short_8: 5HWFITNS

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/5HWFITNSJR5ZUU2FXDI7OSNPC7 \
  | 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: e9ec544db24c7b9a5345b8d1f749af17e91cf978bd56151390e726388bf1734f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43c82a827c9270ccdaf59dec7692554f2204df08570809a10ea1ab55dad5e8f1",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-02-23T18:17:41Z",
    "title_canon_sha256": "459543205493d5acbb3cf0ba9dd08f2d74678f6bbe6fc03c23fae6e2e7c98af1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.08666",
    "kind": "arxiv",
    "version": 1
  }
}