Pith Number

pith:Y2MUO7B3

pith:2015:Y2MUO7B33ZGMFJQSDAV7WQX6AC

not attested not anchored not stored refs pending

The Cuntz splice does not preserve $*$-isomorphism of Leavitt path algebras over $\mathbb{Z}$

Adam P. W. S{\o}rensen, Rune Johansen

arxiv:1507.01247 v3 · 2015-07-05 · math.RA · 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{Y2MUO7B33ZGMFJQSDAV7WQX6AC}

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	2026-05-18T01:19:16.049362Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c699477c3bde4cc2a612182bfb42fe00b2cf684c8e9101fb9ee4751ea99f1bee

Aliases

arxiv: 1507.01247 · arxiv_version: 1507.01247v3 · doi: 10.48550/arxiv.1507.01247 · pith_short_12: Y2MUO7B33ZGM · pith_short_16: Y2MUO7B33ZGMFJQS · pith_short_8: Y2MUO7B3

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/Y2MUO7B33ZGMFJQSDAV7WQX6AC \
  | 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: c699477c3bde4cc2a612182bfb42fe00b2cf684c8e9101fb9ee4751ea99f1bee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "326a737e32ecb2f27ca5887cb7630ccce649debb2d0cd89ea987096ed24d8142",
    "cross_cats_sorted": [
      "math.OA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2015-07-05T17:36:46Z",
    "title_canon_sha256": "264f7d7e86124f447049f7039e712167e73eb96853b4bcb64b16f770021c9bea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.01247",
    "kind": "arxiv",
    "version": 3
  }
}