Pith Number

pith:II5P2RTE

pith:2023:II5P2RTES3HC4LCE2JFIFSL7GJ

not attested not anchored not stored refs pending

Opacity of Parametric Discrete Event Systems: Models, Decidability, and Algorithms

Daowen Qiu, Jingkai Yang, Weilin Deng

arxiv:2307.03870 v1 · 2023-07-08 · cs.FL · cs.SY · eess.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{II5P2RTES3HC4LCE2JFIFSL7GJ}

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	2026-07-05T06:29:04.881481Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

423afd466496ce2e2c44d24a82c97f3274f387b3b2d3002068ec2a60a3d0ed32

Aliases

arxiv: 2307.03870 · arxiv_version: 2307.03870v1 · doi: 10.48550/arxiv.2307.03870 · pith_short_12: II5P2RTES3HC · pith_short_16: II5P2RTES3HC4LCE · pith_short_8: II5P2RTE

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/II5P2RTES3HC4LCE2JFIFSL7GJ \
  | 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: 423afd466496ce2e2c44d24a82c97f3274f387b3b2d3002068ec2a60a3d0ed32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2365b9312c66836a9758a1397f50eba16227171fab26af5b865e5c7795ff54e",
    "cross_cats_sorted": [
      "cs.SY",
      "eess.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2023-07-08T00:53:32Z",
    "title_canon_sha256": "4d1aab76f6f4dd2ee36ae08d1e0473486d86f4f213a78e36cfbc85d702ac26f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.03870",
    "kind": "arxiv",
    "version": 1
  }
}