Pith Number

pith:ZMNHBVKQ

pith:2026:ZMNHBVKQL6FNQMSPZCI7PFMT3X

not attested not anchored not stored refs pending

Intuitionistic K is a Bisimulation-Invariant Fragment of Intuitionistic First-Order Logic

Jim de Groot, Jo\~ao Marcos, Rodrigo Stefanes

arxiv:2606.31879 v1 · 2026-06-30 · math.LO · cs.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{ZMNHBVKQL6FNQMSPZCI7PFMT3X}

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	2026-07-01T01:18:18.333501Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb1a70d5505f8ad8324fc891f79593ddcf20a6b7bc86e22e0a019f290a6324f4

Aliases

arxiv: 2606.31879 · arxiv_version: 2606.31879v1 · doi: 10.48550/arxiv.2606.31879 · pith_short_12: ZMNHBVKQL6FN · pith_short_16: ZMNHBVKQL6FNQMSP · pith_short_8: ZMNHBVKQ

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/ZMNHBVKQL6FNQMSPZCI7PFMT3X \
  | 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: cb1a70d5505f8ad8324fc891f79593ddcf20a6b7bc86e22e0a019f290a6324f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2b2684e99d393ecf9f3572e3ea2ac9098437428f2884f90b8904b890ccfd2ca",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2026-06-30T15:58:23Z",
    "title_canon_sha256": "e6ed92570be282e6b6ad1118c79546b0bb48a920819d9feb1835247d365e1c59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.31879",
    "kind": "arxiv",
    "version": 1
  }
}