pith. sign in
Pith Number

pith:7E7COHMI

pith:2013:7E7COHMILXCZICRBVMEGUWGQ5X
not attested not anchored not stored refs pending

The Partial-Isometric Crossed Products by Semigroups of Endomorphisms as Full Corners

Saeid Zahmatkesh, Sriwulan Adji

arxiv:1309.2363 v1 · 2013-09-10 · math.OA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{7E7COHMILXCZICRBVMEGUWGQ5X}

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 2026-05-17T23:53:15.127046Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

f93e271d885dc5940a21ab086a58d0eddad041a03bf441fb82134d775db5c96a

Aliases

arxiv: 1309.2363 · arxiv_version: 1309.2363v1 · doi: 10.48550/arxiv.1309.2363 · pith_short_12: 7E7COHMILXCZ · pith_short_16: 7E7COHMILXCZICRB · pith_short_8: 7E7COHMI
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/7E7COHMILXCZICRBVMEGUWGQ5X \
  | 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: f93e271d885dc5940a21ab086a58d0eddad041a03bf441fb82134d775db5c96a
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "ef52d162c72a831708a655271e95906fc24f3c7588424a3395937a450b66be11",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2013-09-10T02:47:50Z",
    "title_canon_sha256": "f574863dc3e2bf0fce3c05c72f84c8a5c15d50d5e6eecb8cc0cb6dc7e3752b83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.2363",
    "kind": "arxiv",
    "version": 1
  }
}