Pith Number

pith:5PT4SUVV

pith:2019:5PT4SUVVBICLGXVVMOULNUD7JO

not attested not anchored not stored refs pending

On partial skew groupoids rings

Antonio Paques, Dirceu Bagio, H\'ector Pinedo

arxiv:1905.12608 v1 · 2019-05-29 · 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{5PT4SUVVBICLGXVVMOULNUD7JO}

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	2026-05-17T23:44:43.829332Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ebe7c952b50a04b35eb563a8b6d07f4b855b2a394e152d36b456cea93ca1dac6

Aliases

arxiv: 1905.12608 · arxiv_version: 1905.12608v1 · doi: 10.48550/arxiv.1905.12608 · pith_short_12: 5PT4SUVVBICL · pith_short_16: 5PT4SUVVBICLGXVV · pith_short_8: 5PT4SUVV

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/5PT4SUVVBICLGXVVMOULNUD7JO \
  | 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: ebe7c952b50a04b35eb563a8b6d07f4b855b2a394e152d36b456cea93ca1dac6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f9c2917c94993d47fc3d41b44fe2740cf9e63e672491eeb98d6c814b1597b07",
    "cross_cats_sorted": [
      "math.OA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2019-05-29T17:46:20Z",
    "title_canon_sha256": "d0c75e1afc275b78002296777a35497a0f9ab27eed981e786fdd176ee74b513c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.12608",
    "kind": "arxiv",
    "version": 1
  }
}