Pith Number

pith:A4SWOZZX

pith:2026:A4SWOZZXZVZUN7GFI3CZZJWTDS

not attested not anchored not stored refs pending

Undecidability in Relevant Logic

S{\o}ren Brinck Knudstorp

arxiv:2605.29880 v1 · 2026-05-28 · 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{A4SWOZZXZVZUN7GFI3CZZJWTDS}

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.

Cited by

1 paper in Pith

Possibly Relevant Translations

Receipt and verification

First computed	2026-05-29T02:05:57.461261Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0725676737cd7346fcc546c59ca6d31c8bef2efbbed81575dc834aca609236d0

Aliases

arxiv: 2605.29880 · arxiv_version: 2605.29880v1 · doi: 10.48550/arxiv.2605.29880 · pith_short_12: A4SWOZZXZVZU · pith_short_16: A4SWOZZXZVZUN7GF · pith_short_8: A4SWOZZX

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/A4SWOZZXZVZUN7GFI3CZZJWTDS \
  | 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: 0725676737cd7346fcc546c59ca6d31c8bef2efbbed81575dc834aca609236d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12ccb005744cccc70d80c009330ae80d85ce39aea30ea288904374c3460139ce",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2026-05-28T13:05:21Z",
    "title_canon_sha256": "7ef5a092c0efee88eaf2d85ae8757c2ced673382db2c983a05e4fa1f81851c48"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.29880",
    "kind": "arxiv",
    "version": 1
  }
}