Pith Number

pith:2KPPXXS4

pith:2025:2KPPXXS46ODCICB2AHDMGRJEUN

not attested not anchored not stored refs pending

New Insights into the Decidability of Opacity in Timed Automata

Daowen Qiu, Jingkai Yang, Weilin Deng

arxiv:2504.00625 v1 · 2025-04-01 · eess.SY · cs.FL · cs.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2KPPXXS46ODCICB2AHDMGRJEUN}

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	2026-07-05T10:42:47.804130Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d29efbde5cf38624083a01c6c34524a361f6574fd4c6f2c55c7623b2ebdc4b90

Aliases

arxiv: 2504.00625 · arxiv_version: 2504.00625v1 · doi: 10.48550/arxiv.2504.00625 · pith_short_12: 2KPPXXS46ODC · pith_short_16: 2KPPXXS46ODCICB2 · pith_short_8: 2KPPXXS4

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/2KPPXXS46ODCICB2AHDMGRJEUN \
  | 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: d29efbde5cf38624083a01c6c34524a361f6574fd4c6f2c55c7623b2ebdc4b90

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00f61a76f2cbb6f98f9759951cdcf98e46b561cc5ef87d528e39e14cb5c5a842",
    "cross_cats_sorted": [
      "cs.FL",
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2025-04-01T10:24:10Z",
    "title_canon_sha256": "bfa5f7f023a26e6ec542bbaa2c3f941fb3470e2026576f46e1d05f1ea273799c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.00625",
    "kind": "arxiv",
    "version": 1
  }
}