Pith Number

pith:5FPVBCXO

pith:2026:5FPVBCXOSTLUYHEA34FIPUWXUS

not attested not anchored not stored refs pending

Arrow-Type Impossibility for Genuinely Modal Judgments

Hirotaka Ono, Yutaka Nagai

arxiv:2605.23321 v1 · 2026-05-22 · cs.LO · cs.MA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5FPVBCXOSTLUYHEA34FIPUWXUS}

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	2026-05-25T02:01:48.864583Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e95f508aee94d74c1c80df0a87d2d7a4ae79d140ad4308b1e86c5f8031fe51c2

Aliases

arxiv: 2605.23321 · arxiv_version: 2605.23321v1 · doi: 10.48550/arxiv.2605.23321 · pith_short_12: 5FPVBCXOSTLU · pith_short_16: 5FPVBCXOSTLUYHEA · pith_short_8: 5FPVBCXO

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/5FPVBCXOSTLUYHEA34FIPUWXUS \
  | 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: e95f508aee94d74c1c80df0a87d2d7a4ae79d140ad4308b1e86c5f8031fe51c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eebbb110a82117c3e1f20a8dc06f45ab9be97d2beb4040e174c860802d0b418a",
    "cross_cats_sorted": [
      "cs.MA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2026-05-22T07:36:30Z",
    "title_canon_sha256": "71e3905a023c9cbc98c74ff97c624e89c03085993d3385b631fe79604dd45e34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.23321",
    "kind": "arxiv",
    "version": 1
  }
}