Pith Number

pith:UCLW4IEN

pith:2026:UCLW4IENFMEEMYZAQUAPZJGCLN

not attested not anchored not stored refs pending

The PI property of skew PBW extensions

Claudia Gallego, James G\'omez

arxiv:2606.29060 v1 · 2026-06-27 · 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{UCLW4IENFMEEMYZAQUAPZJGCLN}

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	2026-06-30T01:17:51.198871Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0976e208d2b084663208500fca4c25b6d4fbad8f5bcad8f8dfd98c7cd0f3fdf

Aliases

arxiv: 2606.29060 · arxiv_version: 2606.29060v1 · doi: 10.48550/arxiv.2606.29060 · pith_short_12: UCLW4IENFMEE · pith_short_16: UCLW4IENFMEEMYZA · pith_short_8: UCLW4IEN

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/UCLW4IENFMEEMYZAQUAPZJGCLN \
  | 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: a0976e208d2b084663208500fca4c25b6d4fbad8f5bcad8f8dfd98c7cd0f3fdf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d2a9de157926113d9a39b3b57f235137c5c449071368f7636e085f033671004",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2026-06-27T19:35:43Z",
    "title_canon_sha256": "0d64faa8af4d1115762a5ddc97f19303f771c88c20bbaaad077d388146701253"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.29060",
    "kind": "arxiv",
    "version": 1
  }
}