Pith Number

pith:B7KPZ27Z

pith:2017:B7KPZ27ZIM2NAPAX5NMELOHLQ2

not attested not anchored not stored refs pending

On UJ-rings

Andre Leroy, Jerzy Matczuk, M.Tamer Kosan

arxiv:1708.08940 v1 · 2017-08-29 · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B7KPZ27ZIM2NAPAX5NMELOHLQ2}

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	2026-05-18T00:36:21.621247Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0fd4fcebf94334d03c17eb5845b8eb868eab7e82580d79492b61fc24c395a914

Aliases

arxiv: 1708.08940 · arxiv_version: 1708.08940v1 · doi: 10.48550/arxiv.1708.08940 · pith_short_12: B7KPZ27ZIM2N · pith_short_16: B7KPZ27ZIM2NAPAX · pith_short_8: B7KPZ27Z

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/B7KPZ27ZIM2NAPAX5NMELOHLQ2 \
  | 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: 0fd4fcebf94334d03c17eb5845b8eb868eab7e82580d79492b61fc24c395a914

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34cae6dea10ec713c89b4a09ce9ae6cc66243b6c7a99726815bd5a8c3967899d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2017-08-29T18:02:04Z",
    "title_canon_sha256": "21882c1a181e6fdb4e9ec393a95ccd44f8bf10740b0dc28717500d7eca0bfb5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.08940",
    "kind": "arxiv",
    "version": 1
  }
}