Pith Number

pith:NGIPR53G

pith:2018:NGIPR53GILJBWZIW2XTNB53XGE

not attested not anchored not stored refs pending

Universality and models for semigroups of operators on a Hilbert space

B. C\'elari\`es, I. Chalendar, J.R. Partington

arxiv:1805.02953 v1 · 2018-05-08 · 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{NGIPR53GILJBWZIW2XTNB53XGE}

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	2026-05-18T00:16:35.124880Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6990f8f76642d21b6516d5e6d0f777311d2a8e64cc6ac920b270c3afb8650387

Aliases

arxiv: 1805.02953 · arxiv_version: 1805.02953v1 · doi: 10.48550/arxiv.1805.02953 · pith_short_12: NGIPR53GILJB · pith_short_16: NGIPR53GILJBWZIW · pith_short_8: NGIPR53G

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/NGIPR53GILJBWZIW2XTNB53XGE \
  | 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: 6990f8f76642d21b6516d5e6d0f777311d2a8e64cc6ac920b270c3afb8650387

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85354ec517846bdceda537999353ebbd5d02f3f5eaea7ee8323bf4f123254051",
    "cross_cats_sorted": [
      "math.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2018-05-08T11:42:13Z",
    "title_canon_sha256": "9a77665c08aacf2af2edcb74fe853ebd084acf4cdc4bfff71eec2207ecf561d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.02953",
    "kind": "arxiv",
    "version": 1
  }
}