Pith Number

pith:H5GITLQE

pith:2026:H5GITLQEDU3GMCZNLZPNPJUAJ4

not attested not anchored not stored refs pending

Most Properties are Undecidable for Transitive Tense Logics

Computation, Department of Philosophy, Language, Qian Chen (The Tsinghua-UvA JRC for Logic, Tenyo Takahashi (Institute for Logic, Tsinghua University), University of Amsterdam)

arxiv:2606.31863 v1 · 2026-06-30 · 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{H5GITLQEDU3GMCZNLZPNPJUAJ4}

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	2026-07-01T01:18:17.868154Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f4c89ae041d36660b2d5e5ed7a6804f020514866c768caa3a429191de37d0e4

Aliases

arxiv: 2606.31863 · arxiv_version: 2606.31863v1 · doi: 10.48550/arxiv.2606.31863 · pith_short_12: H5GITLQEDU3G · pith_short_16: H5GITLQEDU3GMCZN · pith_short_8: H5GITLQE

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/H5GITLQEDU3GMCZNLZPNPJUAJ4 \
  | 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: 3f4c89ae041d36660b2d5e5ed7a6804f020514866c768caa3a429191de37d0e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4175aaa6cee9af787fc7f5c1111411fc474d6103e3cfa7a2a68ff78199d23dd",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2026-06-30T15:54:44Z",
    "title_canon_sha256": "bb2cce90043c08074fac4c9e645f584cb000aabae55e2f224a62f5e03bc9e874"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.31863",
    "kind": "arxiv",
    "version": 1
  }
}