Pith Number

pith:NKCCNCK3

pith:2016:NKCCNCK3W6OWDACNQMMCYI5LVL

not attested not anchored not stored refs pending

Equivalence and stable isomorphism of groupoids, and diagonal-preserving stable isomorphisms of graph C*-algebras and Leavitt path algebras

Aidan Sims, Efren Ruiz, Toke Meier Carlsen

arxiv:1602.02602 v2 · 2016-02-08 · 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{NKCCNCK3W6OWDACNQMMCYI5LVL}

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	2026-05-18T00:44:52.692886Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a8426895bb79d61804d83182c23abaae0d8eee578df147c7744f69a4932d986

Aliases

arxiv: 1602.02602 · arxiv_version: 1602.02602v2 · doi: 10.48550/arxiv.1602.02602 · pith_short_12: NKCCNCK3W6OW · pith_short_16: NKCCNCK3W6OWDACN · pith_short_8: NKCCNCK3

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/NKCCNCK3W6OWDACNQMMCYI5LVL \
  | 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: 6a8426895bb79d61804d83182c23abaae0d8eee578df147c7744f69a4932d986

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8719e5a9bbf312e07f4c7b9ae29e80d9ac43b92950bc4512308dc6d18a5c99b4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2016-02-08T15:11:52Z",
    "title_canon_sha256": "4be5701cb0908bdabb4fce4d17dc2d1e6fd5f42ef7245c1c8c7234f303d3d5cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.02602",
    "kind": "arxiv",
    "version": 2
  }
}