Pith Number

pith:EJWG4YNI

pith:2014:EJWG4YNI6QT6QAHTRESEURROSD

not attested not anchored not stored refs pending

Ideal structure of crossed products by endomorphisms via reversible extensions of $C^*$-dynamical systems

B. K. Kwasniewski

arxiv:1404.4928 v2 · 2014-04-19 · 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{EJWG4YNI6QT6QAHTRESEURROSD}

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	2026-05-18T02:17:43.149735Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

226c6e61a8f427e800f389244a462e90ca494c4af748deba1d5190fdd25ffc20

Aliases

arxiv: 1404.4928 · arxiv_version: 1404.4928v2 · doi: 10.48550/arxiv.1404.4928 · pith_short_12: EJWG4YNI6QT6 · pith_short_16: EJWG4YNI6QT6QAHT · pith_short_8: EJWG4YNI

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/EJWG4YNI6QT6QAHTRESEURROSD \
  | 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: 226c6e61a8f427e800f389244a462e90ca494c4af748deba1d5190fdd25ffc20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08b08d1a2d64a1190c048fdc47a36f0493f67b47ed189a16ef56ae4988c0e404",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2014-04-19T06:53:25Z",
    "title_canon_sha256": "219af9528822aa9f5ff230e064d79addad24e870bd11e50c52e44ec2e43bbb06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.4928",
    "kind": "arxiv",
    "version": 2
  }
}