Pith Number

pith:RNMZTBNE

pith:2023:RNMZTBNEC5IHTUPB37LCWAGMP3

not attested not anchored not stored refs pending

Revisiting mean-square approximation by polynomials in the unit disk

Bartosz Malman

arxiv:2304.01400 v1 · 2023-04-03 · math.FA · 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{RNMZTBNEC5IHTUPB37LCWAGMP3}

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

A critical majorant for the Khinchin-Ostrowski property

Receipt and verification

First computed	2026-07-05T05:57:39.765749Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b599985a4175079d1e1dfd62b00cc7ece1d176646114c9156b818df268939ff

Aliases

arxiv: 2304.01400 · arxiv_version: 2304.01400v1 · doi: 10.48550/arxiv.2304.01400 · pith_short_12: RNMZTBNEC5IH · pith_short_16: RNMZTBNEC5IHTUPB · pith_short_8: RNMZTBNE

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/RNMZTBNEC5IHTUPB37LCWAGMP3 \
  | 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: 8b599985a4175079d1e1dfd62b00cc7ece1d176646114c9156b818df268939ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa5225961483213036637bd7c581ba14f25e5bd87265bf4ed5f44aa8895cb21e",
    "cross_cats_sorted": [
      "math.CV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2023-04-03T22:33:38Z",
    "title_canon_sha256": "114260c0966671b73edc0bd1552543f10c1032a13403a34ecd7d82f8bb08aef6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.01400",
    "kind": "arxiv",
    "version": 1
  }
}