Pith Number

pith:Q4R7U2FI

pith:2015:Q4R7U2FINE5HOYPFY2AKD5ZQTZ

not attested not anchored not stored refs pending

Analyticity and compactness of semigroups of composition operators

C. Avicou, I. Chalendar, J.R. Partington

arxiv:1502.05576 v2 · 2015-02-19 · 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{Q4R7U2FINE5HOYPFY2AKD5ZQTZ}

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	2026-05-18T01:23:04.220018Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8723fa68a8693a7761e5c680a1f7309e6b747488a3b938cf10bfe8b870716635

Aliases

arxiv: 1502.05576 · arxiv_version: 1502.05576v2 · doi: 10.48550/arxiv.1502.05576 · pith_short_12: Q4R7U2FINE5H · pith_short_16: Q4R7U2FINE5HOYPF · pith_short_8: Q4R7U2FI

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/Q4R7U2FINE5HOYPFY2AKD5ZQTZ \
  | 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: 8723fa68a8693a7761e5c680a1f7309e6b747488a3b938cf10bfe8b870716635

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b9ae1a92d46299c9e534ecbc0fc08f433611a52008642e421ca5f5db2f6d507",
    "cross_cats_sorted": [
      "math.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2015-02-19T14:08:06Z",
    "title_canon_sha256": "83c1241551e11c0502a7acc9f2ae878939637c999292dba309a839785651fc10"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.05576",
    "kind": "arxiv",
    "version": 2
  }
}