Pith Number

pith:4EIHRBUS

pith:2015:4EIHRBUSOFNUS35CNMFW55SHHB

not attested not anchored not stored refs pending

Term satisfiability in FL$_\mathrm{ew}$-algebras

Petr Savick\'y, Zuzana Hanikov\'a

arxiv:1501.02250 v2 · 2015-01-09 · cs.LO · 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{4EIHRBUSOFNUS35CNMFW55SHHB}

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	2026-05-18T01:10:18.484584Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e110788692715b496fa26b0b6ef647384b0e61332362912429eae43304078099

Aliases

arxiv: 1501.02250 · arxiv_version: 1501.02250v2 · doi: 10.48550/arxiv.1501.02250 · pith_short_12: 4EIHRBUSOFNU · pith_short_16: 4EIHRBUSOFNUS35C · pith_short_8: 4EIHRBUS

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/4EIHRBUSOFNUS35CNMFW55SHHB \
  | 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: e110788692715b496fa26b0b6ef647384b0e61332362912429eae43304078099

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e3a25ccbc60f9120a6d211fafc8f00ef89d8b8fef52f5bcbe4056f4ef4d65e8",
    "cross_cats_sorted": [
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2015-01-09T19:59:35Z",
    "title_canon_sha256": "9ba65a8aad899af054cea572ce8b7a1bcbf61fcf35d5a5e5969dc98eb2ddd37f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.02250",
    "kind": "arxiv",
    "version": 2
  }
}