Pith Number

pith:FGGALVWX

pith:2011:FGGALVWX5QLY2CXQEZWW4VZY3W

not attested not anchored not stored refs pending

Polymorphism of Representations of Universal Algebra

Aleks Kleyn

arxiv:1102.5168 v1 · 2011-02-25 · 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{FGGALVWX5QLY2CXQEZWW4VZY3W}

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	2026-05-18T04:27:56.139908Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

298c05d6d7ec178d0af0266d6e5738ddbc3f5409a64a8d4868a1534f481154cd

Aliases

arxiv: 1102.5168 · arxiv_version: 1102.5168v1 · doi: 10.48550/arxiv.1102.5168 · pith_short_12: FGGALVWX5QLY · pith_short_16: FGGALVWX5QLY2CXQ · pith_short_8: FGGALVWX

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/FGGALVWX5QLY2CXQEZWW4VZY3W \
  | 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: 298c05d6d7ec178d0af0266d6e5738ddbc3f5409a64a8d4868a1534f481154cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2aad088c321b90adf731ef014309f494d7ad5920b84231178a2a35ee11675492",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2011-02-25T06:47:46Z",
    "title_canon_sha256": "4ec544e4262a7dbb8f828a18beec69af9822b425887429bcbcd1dd24c3db3d4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.5168",
    "kind": "arxiv",
    "version": 1
  }
}