Pith Number

pith:5UKI2OKY

pith:2016:5UKI2OKYKNPGMPPM5IN5D5TFYZ

not attested not anchored not stored refs pending

Artinian and noetherian partial skew groupoid rings

H\'ector Pinedo, Johan \"Oinert, Patrik Nystedt

arxiv:1603.02237 v2 · 2016-03-07 · 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{5UKI2OKYKNPGMPPM5IN5D5TFYZ}

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	2026-05-18T01:02:44.932309Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed148d3958535e663decea1bd1f665c66396d90a87f9b8b8955defb699797abe

Aliases

arxiv: 1603.02237 · arxiv_version: 1603.02237v2 · doi: 10.48550/arxiv.1603.02237 · pith_short_12: 5UKI2OKYKNPG · pith_short_16: 5UKI2OKYKNPGMPPM · pith_short_8: 5UKI2OKY

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/5UKI2OKYKNPGMPPM5IN5D5TFYZ \
  | 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: ed148d3958535e663decea1bd1f665c66396d90a87f9b8b8955defb699797abe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad66a6e282633493af937da84643eeb1ba5fefda932672a9884299a355c42db4",
    "cross_cats_sorted": [
      "math.OA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2016-03-07T20:07:10Z",
    "title_canon_sha256": "b2fc79feb01e47ac3197c7abc8824d4a70d64e49ac1cc28c1d7765ccd69ba4d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.02237",
    "kind": "arxiv",
    "version": 2
  }
}