Pith Number

pith:XG4XVNKL

pith:2016:XG4XVNKL2PDHU2GPUGB73SCWPF

not attested not anchored not stored refs pending

A pre-semantics for counterfactual conditionals and similar logics

Karl Schlechta (LIF)

arxiv:1701.00696 v3 · 2016-12-06 · cs.AI · 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{XG4XVNKL2PDHU2GPUGB73SCWPF}

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	2026-05-18T00:46:59.184582Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9b97ab54bd3c67a68cfa183fdc856795725c75aa841740812e6c2081fd0c51b

Aliases

arxiv: 1701.00696 · arxiv_version: 1701.00696v3 · doi: 10.48550/arxiv.1701.00696 · pith_short_12: XG4XVNKL2PDH · pith_short_16: XG4XVNKL2PDHU2GP · pith_short_8: XG4XVNKL

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/XG4XVNKL2PDHU2GPUGB73SCWPF \
  | 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: b9b97ab54bd3c67a68cfa183fdc856795725c75aa841740812e6c2081fd0c51b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f376ed34b7eabde32942aa08850064904f79d22a05da3872b584578cca01e02",
    "cross_cats_sorted": [
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2016-12-06T15:29:16Z",
    "title_canon_sha256": "59cc0f5b8c1758120d9ccd8f08226240d70692846aaa6051e34946d28a4b651a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.00696",
    "kind": "arxiv",
    "version": 3
  }
}