Pith Number

pith:KSATPEWC

pith:2015:KSATPEWCI2VIN5CCCGIWCNY2QR

not attested not anchored not stored refs pending

Potential theoretic approach to design of accurate formulas for function approximation in symmetric weighted Hardy spaces

Ken'ichiro Tanaka, Masaaki Sugihara, Tomoaki Okayama

arxiv:1511.04530 v2 · 2015-11-14 · math.NA · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KSATPEWCI2VIN5CCCGIWCNY2QR}

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	2026-05-18T01:12:22.749802Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54813792c246aa86f442119161371a8442932a55969cf504d5d664984d9423f7

Aliases

arxiv: 1511.04530 · arxiv_version: 1511.04530v2 · doi: 10.48550/arxiv.1511.04530 · pith_short_12: KSATPEWCI2VI · pith_short_16: KSATPEWCI2VIN5CC · pith_short_8: KSATPEWC

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/KSATPEWCI2VIN5CCCGIWCNY2QR \
  | 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: 54813792c246aa86f442119161371a8442932a55969cf504d5d664984d9423f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d49e22615cb1816af0ab7d93729e397d37a80c41ee4ee216ace99d62c4a46064",
    "cross_cats_sorted": [
      "math.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-11-14T09:05:37Z",
    "title_canon_sha256": "22a429c9a1ad163636ad7b75fa3d674c12678f2b85f1424c45b3aa7d2c94199e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.04530",
    "kind": "arxiv",
    "version": 2
  }
}