Pith Number

pith:U7Y53ZAK

pith:2016:U7Y53ZAK27ETCJWAVBR36IYWZ7

not attested not anchored not stored refs pending

A duality for involutive bisemilattices

Andrea Loi, Luisa Peruzzi, Stefano Bonzio

arxiv:1611.09560 v2 · 2016-11-29 · 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{U7Y53ZAK27ETCJWAVBR36IYWZ7}

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	2026-05-18T00:31:00.236200Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7f1dde40ad7c93126c0a863bf2316cfda1293fb38dfd83a4e02def88decf7ed

Aliases

arxiv: 1611.09560 · arxiv_version: 1611.09560v2 · doi: 10.48550/arxiv.1611.09560 · pith_short_12: U7Y53ZAK27ET · pith_short_16: U7Y53ZAK27ETCJWA · pith_short_8: U7Y53ZAK

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/U7Y53ZAK27ETCJWAVBR36IYWZ7 \
  | 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: a7f1dde40ad7c93126c0a863bf2316cfda1293fb38dfd83a4e02def88decf7ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18670f6744636f153f8be1280ff4c0d87b807746204c1a8e1076c509de025424",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2016-11-29T10:42:38Z",
    "title_canon_sha256": "86d7b8c08ec6e9d710e46cfbdd22c2883bb94ccae1fc09d91e46c6cfb2177b1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.09560",
    "kind": "arxiv",
    "version": 2
  }
}