Pith Number

pith:F7SOXHYY

pith:2018:F7SOXHYY7AC46IRTXPGZUGDHF6

not attested not anchored not stored refs pending

Implicit definability of truth constants in {\L}ukasiewicz logic

Zuzana Hanikov\'a

arxiv:1802.08588 v1 · 2018-02-23 · 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{F7SOXHYY7AC46IRTXPGZUGDHF6}

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	2026-05-18T00:22:41.091746Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fe4eb9f18f805cf2233bbcd9a18672f9457827c2c71098d0f070a538b65aba4

Aliases

arxiv: 1802.08588 · arxiv_version: 1802.08588v1 · doi: 10.48550/arxiv.1802.08588 · pith_short_12: F7SOXHYY7AC4 · pith_short_16: F7SOXHYY7AC46IRT · pith_short_8: F7SOXHYY

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/F7SOXHYY7AC46IRTXPGZUGDHF6 \
  | 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: 2fe4eb9f18f805cf2233bbcd9a18672f9457827c2c71098d0f070a538b65aba4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4243a38b1b0c304fd8652469445c07ebb800224c7b2c3cae3c16cf06bfe657a0",
    "cross_cats_sorted": [
      "math.LO"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2018-02-23T15:19:47Z",
    "title_canon_sha256": "eb934a26c242fb2e49c0cf3b07c5e4b069db06357312035b00a17832792e34d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.08588",
    "kind": "arxiv",
    "version": 1
  }
}