Pith Number

pith:D46KI4UB

pith:2015:D46KI4UBLZRS5THUOBMSP52PRW

not attested not anchored not stored refs pending

Perturbation of Analytic Semigroups and Applications to Partial Differential Equations

Klaus-Jochen Engel, Martin Adler, Miriam Bombieri

arxiv:1505.01336 v1 · 2015-05-06 · 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{D46KI4UBLZRS5THUOBMSP52PRW}

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	2026-05-18T02:16:49.733841Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f3ca472815e632eccf4705927f74f8d9443575d42d0a602a6691e781ec688fb

Aliases

arxiv: 1505.01336 · arxiv_version: 1505.01336v1 · doi: 10.48550/arxiv.1505.01336 · pith_short_12: D46KI4UBLZRS · pith_short_16: D46KI4UBLZRS5THU · pith_short_8: D46KI4UB

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/D46KI4UBLZRS5THUOBMSP52PRW \
  | 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: 1f3ca472815e632eccf4705927f74f8d9443575d42d0a602a6691e781ec688fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "248821a04798cfc2ebbc66d802ef4fef24aee052edfaa1b22a5d987cae894da3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2015-05-06T12:15:35Z",
    "title_canon_sha256": "54bd8269ded2d674b94af39d4b83ca8ae370005c7e073490f233a01969e5c754"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.01336",
    "kind": "arxiv",
    "version": 1
  }
}