Pith Number

pith:FTKIYHIB

pith:2025:FTKIYHIBGV7OKGV7IDNUO3L7HI

not attested not anchored not stored refs pending

Emergency-Brake Simplex: Toward A Verifiably Safe Control-CPS Architecture for Abrupt Runtime Reachability Constraint Changes

Henghua Shen, Qixin Wang

arxiv:2501.01831 v3 · 2025-01-03 · eess.SY · cs.RO · 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{FTKIYHIBGV7OKGV7IDNUO3L7HI}

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	2026-07-05T10:37:41.936627Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2cd48c1d01357ee51abf40db476d7f3a29fd09158c12e07ab8507df5add6d95a

Aliases

arxiv: 2501.01831 · arxiv_version: 2501.01831v3 · doi: 10.48550/arxiv.2501.01831 · pith_short_12: FTKIYHIBGV7O · pith_short_16: FTKIYHIBGV7OKGV7 · pith_short_8: FTKIYHIB

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/FTKIYHIBGV7OKGV7IDNUO3L7HI \
  | 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: 2cd48c1d01357ee51abf40db476d7f3a29fd09158c12e07ab8507df5add6d95a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de252f1b3b08b36fe5703fe59f9e227eae24aad0e090efbb7433a5700733076e",
    "cross_cats_sorted": [
      "cs.RO",
      "cs.SY"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2025-01-03T14:32:17Z",
    "title_canon_sha256": "fa2213791d055186787a1f230ccec5a4fa31043f2814f844a4a2780415aa8bc1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.01831",
    "kind": "arxiv",
    "version": 3
  }
}