Pith Number

pith:RQJUFSHV

pith:2018:RQJUFSHV6PS5MQE3Y4O4VG55JQ

not attested not anchored not stored refs pending

A Toeplitz type operator on Hardy spaces in the unit ball

Antti Per\"al\"a, Jordi Pau

arxiv:1805.04339 v1 · 2018-05-11 · 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{RQJUFSHV6PS5MQE3Y4O4VG55JQ}

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	2026-05-18T00:16:12.779197Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c1342c8f5f3e5d6409bc71dca9bbd4c2610c17427b56af5180b412ecf11d6c7

Aliases

arxiv: 1805.04339 · arxiv_version: 1805.04339v1 · doi: 10.48550/arxiv.1805.04339 · pith_short_12: RQJUFSHV6PS5 · pith_short_16: RQJUFSHV6PS5MQE3 · pith_short_8: RQJUFSHV

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/RQJUFSHV6PS5MQE3Y4O4VG55JQ \
  | 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: 8c1342c8f5f3e5d6409bc71dca9bbd4c2610c17427b56af5180b412ecf11d6c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "753ba9d124b79fa9d81afdfd8274d0b858088810748df7a982344e0d9a6f1cca",
    "cross_cats_sorted": [
      "math.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2018-05-11T11:43:39Z",
    "title_canon_sha256": "e7db9ab92a09f18a13d6fcd188d555c02912289f2d74e2cfe7953d5e9e876773"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.04339",
    "kind": "arxiv",
    "version": 1
  }
}