Pith Number

pith:EPMJD2HC

pith:2009:EPMJD2HCN3E46CSDVFDTCI6B44

not attested not anchored not stored refs pending

Finite Section Method for a Banach Algebra of Convolution Type Operators on $L^p(\mathbb{R})$ with Symbols Generated by $PC$ and $SO$

Alexei Yu. Karlovich, Helena Mascarenhas, Pedro A. Santos

arxiv:0909.3821 v1 · 2009-09-21 · math.FA · cs.NA · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EPMJD2HCN3E46CSDVFDTCI6B44}

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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	2026-06-03T23:06:29.044793Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23d891e8e26ec9cf0a43a9473123c1e7338c2728bbfd2a9c606d3f9277dcee07

Aliases

arxiv: 0909.3821 · arxiv_version: 0909.3821v1 · doi: 10.48550/arxiv.0909.3821 · pith_short_12: EPMJD2HCN3E4 · pith_short_16: EPMJD2HCN3E46CSD · pith_short_8: EPMJD2HC

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/EPMJD2HCN3E46CSDVFDTCI6B44 \
  | 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: 23d891e8e26ec9cf0a43a9473123c1e7338c2728bbfd2a9c606d3f9277dcee07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c32d01e07f3646211ad40e87b0c9037f1b337ffe4a061ac93e0b1dca67b5330",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2009-09-21T17:25:30Z",
    "title_canon_sha256": "a321b17f9eaf85072ac0e27f8a02f7dc8b0c5d00536ec54c8aeeefc108c13cda"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.3821",
    "kind": "arxiv",
    "version": 1
  }
}