Pith Number

pith:UKENMDJK

pith:2018:UKENMDJKJIC7MTLEKFILOPFEPP

not attested not anchored not stored refs pending

Provability Logic and the Completeness Principle

Albert Visser, Jetze Zoethout

arxiv:1804.09451 v2 · 2018-04-25 · 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{UKENMDJKJIC7MTLEKFILOPFEPP}

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	2026-05-18T00:14:13.707878Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a288d60d2a4a05f64d645150b73ca47be18f0908860dd0b2a8fc6435dd524b99

Aliases

arxiv: 1804.09451 · arxiv_version: 1804.09451v2 · doi: 10.48550/arxiv.1804.09451 · pith_short_12: UKENMDJKJIC7 · pith_short_16: UKENMDJKJIC7MTLE · pith_short_8: UKENMDJK

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/UKENMDJKJIC7MTLEKFILOPFEPP \
  | 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: a288d60d2a4a05f64d645150b73ca47be18f0908860dd0b2a8fc6435dd524b99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2681932778d7f01d3f603f99a261af1cf15c31b29b76fd7b459ec3f86cf2dd57",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2018-04-25T09:42:52Z",
    "title_canon_sha256": "cffed18f3448eb62f14ac25b088301bf856758594e8908fe0d4e54a15c104e9d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.09451",
    "kind": "arxiv",
    "version": 2
  }
}