Pith Number

pith:SHHW5JQ2

pith:2026:SHHW5JQ2TUI5ZMIIU2XP6DEHXJ

not attested not anchored not stored refs pending

Fundamental Logic Through the Lens of Modality

Guillaume Massas, Wesley H. Holliday

arxiv:2606.29954 v1 · 2026-06-29 · 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{SHHW5JQ2TUI5ZMIIU2XP6DEHXJ}

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	2026-06-30T02:17:42.534859Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91cf6ea61a9d11dcb108a6aeff0c87ba756010c9169f4d01d27c3cd80f0e5e06

Aliases

arxiv: 2606.29954 · arxiv_version: 2606.29954v1 · doi: 10.48550/arxiv.2606.29954 · pith_short_12: SHHW5JQ2TUI5 · pith_short_16: SHHW5JQ2TUI5ZMII · pith_short_8: SHHW5JQ2

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/SHHW5JQ2TUI5ZMIIU2XP6DEHXJ \
  | 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: 91cf6ea61a9d11dcb108a6aeff0c87ba756010c9169f4d01d27c3cd80f0e5e06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30fb3a8ff4f9fcd55c63fd1ba33fb16a53e78bbf2d655aca88d4c2808ca065ce",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2026-06-29T08:28:34Z",
    "title_canon_sha256": "3b245a887daafcd62e8535694f188769f827ee12fb62f7df7db0bd05b5c20bc0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.29954",
    "kind": "arxiv",
    "version": 1
  }
}