Pith Number

pith:WI2TQC6Z

pith:2010:WI2TQC6ZFR4CYYN53Z75E3GMNK

not attested not anchored not stored refs pending

Morita Equivalence of C^*-Crossed Products by Inverse Semigroup Actions and Partial Actions

Nandor Sieben

arxiv:1010.0423 v1 · 2010-10-03 · math.OA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WI2TQC6ZFR4CYYN53Z75E3GMNK}

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	2026-05-18T04:39:58.458172Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b235380bd92c782c61bdde7fd26ccc6a8affe12fab0188de4d838d8beb5c0a0e

Aliases

arxiv: 1010.0423 · arxiv_version: 1010.0423v1 · doi: 10.48550/arxiv.1010.0423 · pith_short_12: WI2TQC6ZFR4C · pith_short_16: WI2TQC6ZFR4CYYN5 · pith_short_8: WI2TQC6Z

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/WI2TQC6ZFR4CYYN53Z75E3GMNK \
  | 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: b235380bd92c782c61bdde7fd26ccc6a8affe12fab0188de4d838d8beb5c0a0e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a8b7e7b5742db7c0edc84e8fef6a402c34d5181c9a60a1d511cce00f061217e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2010-10-03T17:18:07Z",
    "title_canon_sha256": "f02dcac8c5f50cb44b2398fc92ba59d46caa62731c48c3c17e59294cddb8be1e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.0423",
    "kind": "arxiv",
    "version": 1
  }
}