Pith Number

pith:XMQLQJQ2

pith:2013:XMQLQJQ2E55GZUAR2RJ6UR5ARQ

not attested not anchored not stored refs pending

Optimal H-infinity Control Design under Model Information Limitations and State Measurement Constraints

Farhad Farokhi, Henrik Sandberg, Karl H. Johansson

arxiv:1307.5903 v1 · 2013-07-22 · 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{XMQLQJQ2E55GZUAR2RJ6UR5ARQ}

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	2026-05-18T03:17:45.844579Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb20b8261a277a6cd011d453ea47a08c07fbb18bfa5e4361989f4ea611f06093

Aliases

arxiv: 1307.5903 · arxiv_version: 1307.5903v1 · doi: 10.48550/arxiv.1307.5903 · pith_short_12: XMQLQJQ2E55G · pith_short_16: XMQLQJQ2E55GZUAR · pith_short_8: XMQLQJQ2

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/XMQLQJQ2E55GZUAR2RJ6UR5ARQ \
  | 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: bb20b8261a277a6cd011d453ea47a08c07fbb18bfa5e4361989f4ea611f06093

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31c17da059553f54eb7a999255e20d804519666da347266e8125b58e01afc812",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2013-07-22T22:27:50Z",
    "title_canon_sha256": "7e01aec7525a7a695ed03f06af9f03046a115c80a6b98e26fef911af4414a431"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.5903",
    "kind": "arxiv",
    "version": 1
  }
}