Pith Number

pith:UFWKQEZ4

pith:2015:UFWKQEZ4XXIO2OYM5HKBXIYACO

not attested not anchored not stored refs pending

Minimal Actuator Placement with Optimal Control Constraints

Ali Jadbabaie, George J. Pappas, Mohammad Amin Rahimian, Vasileios Tzoumas

arxiv:1503.04693 v1 · 2015-03-16 · cs.SY · cs.SI · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UFWKQEZ4XXIO2OYM5HKBXIYACO}

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	2026-05-18T02:23:24.244180Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a16ca8133cbdd0ed3b0ce9d41ba30013b7da47cd8e650baf42cf91a4f81d8e2e

Aliases

arxiv: 1503.04693 · arxiv_version: 1503.04693v1 · doi: 10.48550/arxiv.1503.04693 · pith_short_12: UFWKQEZ4XXIO · pith_short_16: UFWKQEZ4XXIO2OYM · pith_short_8: UFWKQEZ4

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/UFWKQEZ4XXIO2OYM5HKBXIYACO \
  | 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: a16ca8133cbdd0ed3b0ce9d41ba30013b7da47cd8e650baf42cf91a4f81d8e2e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e1856db65d808c02dbe95dd7e72bac0e23e967bbb4e4200495408a2abfc67d4",
    "cross_cats_sorted": [
      "cs.SI",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2015-03-16T15:42:08Z",
    "title_canon_sha256": "9d9d68831eac029569779d5cd6b772970b805f2ec5d138318d0694a85a291a30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.04693",
    "kind": "arxiv",
    "version": 1
  }
}