Pith Number

pith:H75B5Y2P

pith:2014:H75B5Y2PZQRN67NCIQ55RJCL4S

not attested not anchored not stored refs pending

On Perturbations of Generators of $C_0$-Semigroups

K.-J. Engel, M. Adler, M. Bombieri

arxiv:1402.1353 v1 · 2014-02-06 · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H75B5Y2PZQRN67NCIQ55RJCL4S}

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	2026-05-18T02:59:59.289170Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ffa1ee34fcc22df7da2443bd8a44be4917632f927acfec69b54dabdc66ed410

Aliases

arxiv: 1402.1353 · arxiv_version: 1402.1353v1 · doi: 10.48550/arxiv.1402.1353 · pith_short_12: H75B5Y2PZQRN · pith_short_16: H75B5Y2PZQRN67NC · pith_short_8: H75B5Y2P

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/H75B5Y2PZQRN67NCIQ55RJCL4S \
  | 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: 3ffa1ee34fcc22df7da2443bd8a44be4917632f927acfec69b54dabdc66ed410

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e56f19aa4d7a65e2002c0d2f70382388c5901b8e1d4d6a6b940b3d3226121c77",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2014-02-06T13:54:12Z",
    "title_canon_sha256": "2e09b8c9edca4738025c27b3db9e52a1153504d2fdb75f61fb0ce16d16d7548a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.1353",
    "kind": "arxiv",
    "version": 1
  }
}