Pith Number

pith:SKI4VFHU

pith:2018:SKI4VFHU6J2GVZS4LBBCYHNKJU

not attested not anchored not stored refs pending

Stone-type representations and dualities for varieties of bisemilattices

Antonio Ledda

arxiv:1803.06670 v1 · 2018-03-18 · math.LO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SKI4VFHU6J2GVZS4LBBCYHNKJU}

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	2026-05-18T00:20:45.325519Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9291ca94f4f2746ae65c58422c1daa4d30dbca01a3341d67c854374f839349bf

Aliases

arxiv: 1803.06670 · arxiv_version: 1803.06670v1 · doi: 10.48550/arxiv.1803.06670 · pith_short_12: SKI4VFHU6J2G · pith_short_16: SKI4VFHU6J2GVZS4 · pith_short_8: SKI4VFHU

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/SKI4VFHU6J2GVZS4LBBCYHNKJU \
  | 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: 9291ca94f4f2746ae65c58422c1daa4d30dbca01a3341d67c854374f839349bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4bb0bf19bd3f8915b3f592dc6ac0da71d7e654a26a619252189ef13300c74869",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2018-03-18T14:42:04Z",
    "title_canon_sha256": "c3ee391f1438f88c0c6dd94091dbb3544cd14b4746749c3476a3d733c0f4f5d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.06670",
    "kind": "arxiv",
    "version": 1
  }
}