Pith Number

pith:3667LKVH

pith:2018:3667LKVHI4ZKU2YPDXGVQ6MVDT

not attested not anchored not stored refs pending

Semi-Fredholm and semi-Browder spectrums for the ${\alpha}$-times integrated semigroups

Abdelaziz Tajmouati, Abdeslam El Bakkali, Hamid Boua, Mohamed Baba Mohamed Ahmed

arxiv:1801.09733 v1 · 2018-01-29 · math.FA · math.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3667LKVHI4ZKU2YPDXGVQ6MVDT}

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	2026-05-18T00:24:54.010044Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dfbdf5aaa74732aa6b0f1dcd5879951ce1eca96a2a348a7a789d99cfbbbe44b4

Aliases

arxiv: 1801.09733 · arxiv_version: 1801.09733v1 · doi: 10.48550/arxiv.1801.09733 · pith_short_12: 3667LKVHI4ZK · pith_short_16: 3667LKVHI4ZKU2YP · pith_short_8: 3667LKVH

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/3667LKVHI4ZKU2YPDXGVQ6MVDT \
  | 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: dfbdf5aaa74732aa6b0f1dcd5879951ce1eca96a2a348a7a789d99cfbbbe44b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b86589c8ccfda243db0a6ca2577bbf68b9e23c4d2977d00ea1c7a64f5a582897",
    "cross_cats_sorted": [
      "math.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2018-01-29T19:51:50Z",
    "title_canon_sha256": "4636aeef1c82ce149684629e2950cef42dd139f7a7a9a1a2201489ed7636f932"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.09733",
    "kind": "arxiv",
    "version": 1
  }
}