Pith Number

pith:CGKHSQJF

pith:2018:CGKHSQJFCOJXXQPHHRLAVF7CHA

not attested not anchored not stored refs pending

Some notes on the superintuitionistic logic of chequered subsets of $\mathbb{R}^\infty$

Tadeusz Litak

arxiv:1808.06393 v1 · 2018-08-20 · 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{CGKHSQJFCOJXXQPHHRLAVF7CHA}

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	2026-05-18T00:07:45.107809Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

119479412513937bc1e73c560a97e23813ce2cab4da40291eb10feaca33008bf

Aliases

arxiv: 1808.06393 · arxiv_version: 1808.06393v1 · doi: 10.48550/arxiv.1808.06393 · pith_short_12: CGKHSQJFCOJX · pith_short_16: CGKHSQJFCOJXXQPH · pith_short_8: CGKHSQJF

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/CGKHSQJFCOJXXQPHHRLAVF7CHA \
  | 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: 119479412513937bc1e73c560a97e23813ce2cab4da40291eb10feaca33008bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77e4ab1232e6a06e241d54c35b4d8d3395c9b704d5fbe796572b97cc9d4e9804",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2018-08-20T11:24:41Z",
    "title_canon_sha256": "00678efa4c4494c98106124feb84837ba20ff47a74d46fb6705bec479eab1bf1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.06393",
    "kind": "arxiv",
    "version": 1
  }
}