Pith Number

pith:NN3C5OTV

pith:2014:NN3C5OTV26YU5MXWKBHCWFV65I

not attested not anchored not stored refs pending

Strong convergence of two-dimensional Walsh-Fourier series

George Tephnadze

arxiv:1410.7205 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{NN3C5OTV26YU5MXWKBHCWFV65I}

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	2026-05-18T02:39:17.832419Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b762eba75d7b14eb2f6504e2b16beea08ee6748e2a002488f46c6b7427ff717

Aliases

arxiv: 1410.7205 · arxiv_version: 1410.7205v1 · doi: 10.48550/arxiv.1410.7205 · pith_short_12: NN3C5OTV26YU · pith_short_16: NN3C5OTV26YU5MXW · pith_short_8: NN3C5OTV

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/NN3C5OTV26YU5MXWKBHCWFV65I \
  | 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: 6b762eba75d7b14eb2f6504e2b16beea08ee6748e2a002488f46c6b7427ff717

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "987b23365186c1c24d1052493a8a9cac8cddc9bfdf201dfdcef88e355560da5f",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "math.CA",
    "submitted_at": "2014-10-05T02:59:56Z",
    "title_canon_sha256": "f5581a0bf21251e692436b1e5dfb1e4bd480e111d95af0af7cdb913c9b52377c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.7205",
    "kind": "arxiv",
    "version": 1
  }
}