Pith Number

pith:DY7WS7YA

pith:2018:DY7WS7YAYK2W4EJXIFHD5W7V6X

not attested not anchored not stored refs pending

Complex Analysis of Real Functions VI: On the Convergence of Fourier Series

Jorge L. deLyra

arxiv:1804.00769 v2 · 2018-04-03 · math.CV · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DY7WS7YAYK2W4EJXIFHD5W7V6X}

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	2026-05-17T23:53:51.495026Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e3f697f00c2b56e1137414e3edbf5f5d9992aa6f52da57a5c21d95010e14968

Aliases

arxiv: 1804.00769 · arxiv_version: 1804.00769v2 · doi: 10.48550/arxiv.1804.00769 · pith_short_12: DY7WS7YAYK2W · pith_short_16: DY7WS7YAYK2W4EJX · pith_short_8: DY7WS7YA

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/DY7WS7YAYK2W4EJXIFHD5W7V6X \
  | 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: 1e3f697f00c2b56e1137414e3edbf5f5d9992aa6f52da57a5c21d95010e14968

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25596bf5d3191dc1f65e8a95f3f06d45e90ee512663e80f9f7abe1f96ed7461f",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2018-04-03T00:27:10Z",
    "title_canon_sha256": "a34c52980d40f359c064d19c59df4d90f03ef846aa66de98795b8365397becdc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.00769",
    "kind": "arxiv",
    "version": 2
  }
}