Pith Number

pith:STQJWXKO

pith:2019:STQJWXKOS7Q4AKJJ7Q6KH24II4

not attested not anchored not stored refs pending

Analytic Solution of the Time-Optimal Control of a Double Integrator from an Arbitrary State to the State-space Origin

Fabio Curti, Marcello Romano

arxiv:1909.03192 v1 · 2019-09-07 · math.OC · cs.SY · eess.SY · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{STQJWXKOS7Q4AKJJ7Q6KH24II4}

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	2026-07-05T00:03:03.335889Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94e09b5d4e97e1c02929fc3ca3eb88470c95bce61faf803d214fdcd53ceb4357

Aliases

arxiv: 1909.03192 · arxiv_version: 1909.03192v1 · doi: 10.48550/arxiv.1909.03192 · pith_short_12: STQJWXKOS7Q4 · pith_short_16: STQJWXKOS7Q4AKJJ · pith_short_8: STQJWXKO

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/STQJWXKOS7Q4AKJJ7Q6KH24II4 \
  | 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: 94e09b5d4e97e1c02929fc3ca3eb88470c95bce61faf803d214fdcd53ceb4357

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "309f937c354976ec34c28b9499bb50b2f00f5bf8e0822dc14b669809a712bdbc",
    "cross_cats_sorted": [
      "cs.SY",
      "eess.SY",
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-09-07T05:16:52Z",
    "title_canon_sha256": "a7878de3e126f189d0f5f3636172231780acf5d4cd53945fb5ca00c3c6e49814"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.03192",
    "kind": "arxiv",
    "version": 1
  }
}