Pith Number

pith:CB33G3G6

pith:2018:CB33G3G6JHGFTFMS2JBBJ7P37X

not attested not anchored not stored refs pending

Approximating smooth, multivariate functions on irregular domains

Ben Adcock, Daan Huybrechs

arxiv:1802.00602 v3 · 2018-02-02 · 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{CB33G3G6JHGFTFMS2JBBJ7P37X}

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.

Cited by

1 paper in Pith

Estimates of the asymptotic Nikolskii constants for spherical polynomials

Receipt and verification

First computed	2026-07-05T01:05:33.128728Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1077b36cde49cc599592d24214fdfbfdc5b1f07037136fd171628e5f293f12ad

Aliases

arxiv: 1802.00602 · arxiv_version: 1802.00602v3 · doi: 10.48550/arxiv.1802.00602 · pith_short_12: CB33G3G6JHGF · pith_short_16: CB33G3G6JHGFTFMS · pith_short_8: CB33G3G6

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/CB33G3G6JHGFTFMS2JBBJ7P37X \
  | 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: 1077b36cde49cc599592d24214fdfbfdc5b1f07037136fd171628e5f293f12ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c31aca3658225ffc77f1376c462523953012307284fdf3439921e4f98326da19",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-02-02T08:57:09Z",
    "title_canon_sha256": "57fb421713167e93de6cbbfdd943abb564bee5798fe7b1ae8ac868bec156556c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.00602",
    "kind": "arxiv",
    "version": 3
  }
}