pith. sign in
Pith Number

pith:GOJNTCYH

pith:2016:GOJNTCYHVZCZTTOOXPVTCXZSLG
not attested not anchored not stored refs pending

Weak and strong approximation of semigroups on Hilbert spaces

A.F.M. ter Elst, R. Chill

arxiv:1609.00040 v1 · 2016-08-31 · math.FA · math.AP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{GOJNTCYHVZCZTTOOXPVTCXZSLG}

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 2026-05-18T01:06:28.189562Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

3392d98b07ae4599cdcebbeb315f325998eb024b963fdeb8f27a6dece487bac4

Aliases

arxiv: 1609.00040 · arxiv_version: 1609.00040v1 · doi: 10.48550/arxiv.1609.00040 · pith_short_12: GOJNTCYHVZCZ · pith_short_16: GOJNTCYHVZCZTTOO · pith_short_8: GOJNTCYH
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/GOJNTCYHVZCZTTOOXPVTCXZSLG \
  | 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: 3392d98b07ae4599cdcebbeb315f325998eb024b963fdeb8f27a6dece487bac4
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "6ebbd11a8f5c39f5e271683fc0aaa573a1c84afb771d76e1d4fb90bf04d8c02b",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2016-08-31T21:05:49Z",
    "title_canon_sha256": "7fb5d885678511a291dad75b5920c2326d0b0b0d633c0a9d3106149b34a9e7c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.00040",
    "kind": "arxiv",
    "version": 1
  }
}