Pith Number

pith:64KLNU5D

pith:2014:64KLNU5DI4RPJRT2JX3HMYZDH6

not attested not anchored not stored refs pending

Approximation by Walsh-Kaczmarz-Fej\'er means on the Hardy space

George Tephnadze

arxiv:1410.7977 v1 · 2014-10-05 · math.CA · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{64KLNU5DI4RPJRT2JX3HMYZDH6}

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	2026-05-18T02:39:07.684784Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f714b6d3a34722f4c67a4df67663233fa833447460f8e0d239c42d4aac2ede3c

Aliases

arxiv: 1410.7977 · arxiv_version: 1410.7977v1 · doi: 10.48550/arxiv.1410.7977 · pith_short_12: 64KLNU5DI4RP · pith_short_16: 64KLNU5DI4RPJRT2 · pith_short_8: 64KLNU5D

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/64KLNU5DI4RPJRT2JX3HMYZDH6 \
  | 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: f714b6d3a34722f4c67a4df67663233fa833447460f8e0d239c42d4aac2ede3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f5cea14f52f12470927bff6fb68c50a8ee0afa36dec1c3c0eb06ef7b35b2d8a",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "math.CA",
    "submitted_at": "2014-10-05T04:01:14Z",
    "title_canon_sha256": "118177cdd4d14fbac27beccb3b74ae0194bac1f9826a19d6cb98294b0756d70b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.7977",
    "kind": "arxiv",
    "version": 1
  }
}