Pith Number

pith:NIRZ5YDX

pith:2016:NIRZ5YDXVVBFEUKGA3L2X45GRT

not attested not anchored not stored refs pending

The classification of some generalised Bunce-Deddens algebras

James Rout

arxiv:1611.01883 v2 · 2016-11-07 · 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{NIRZ5YDXVVBFEUKGA3L2X45GRT}

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	2026-05-18T00:51:33.817665Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a239ee077ad4252514606d7abf3a68cd8b20b8e851f663c6c9b4162dc98db58

Aliases

arxiv: 1611.01883 · arxiv_version: 1611.01883v2 · doi: 10.48550/arxiv.1611.01883 · pith_short_12: NIRZ5YDXVVBF · pith_short_16: NIRZ5YDXVVBFEUKG · pith_short_8: NIRZ5YDX

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/NIRZ5YDXVVBFEUKGA3L2X45GRT \
  | 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: 6a239ee077ad4252514606d7abf3a68cd8b20b8e851f663c6c9b4162dc98db58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12127963a10e5328279f3ce7b2df769be07a8f2cff982f0169b04160afbff05f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2016-11-07T03:28:02Z",
    "title_canon_sha256": "89b8d2d3b3a002e51a1cef33a911c61b38260783fb788a43c2546c537b8d5006"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.01883",
    "kind": "arxiv",
    "version": 2
  }
}