Pith Number

pith:6UYBJTYY

pith:2017:6UYBJTYYVGAS3Q45W22ZHXTSTW

not attested not anchored not stored refs pending

Isomorphism classes of four dimensional nilpotent associative algebras over a field

Marco Antonio Pellegrini

arxiv:1702.00143 v2 · 2017-02-01 · math.GR · 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{6UYBJTYYVGAS3Q45W22ZHXTSTW}

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	2026-05-18T00:50:37.331908Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f53014cf18a9812dc39db6b593de729dbaefef8f2381585d60e895190ff4120d

Aliases

arxiv: 1702.00143 · arxiv_version: 1702.00143v2 · doi: 10.48550/arxiv.1702.00143 · pith_short_12: 6UYBJTYYVGAS · pith_short_16: 6UYBJTYYVGAS3Q45 · pith_short_8: 6UYBJTYY

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/6UYBJTYYVGAS3Q45W22ZHXTSTW \
  | 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: f53014cf18a9812dc39db6b593de729dbaefef8f2381585d60e895190ff4120d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4689153cfdedcb6974dfb63a841f61c15cf0b3d6af0588bfa770cd2e41b90951",
    "cross_cats_sorted": [
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2017-02-01T06:11:53Z",
    "title_canon_sha256": "349e65aa877ae6f59c758a40b67b2fe346851babaa2489d07563e7e73ba3fbc0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.00143",
    "kind": "arxiv",
    "version": 2
  }
}