Pith Number

pith:YDC36RDP

pith:2013:YDC36RDP3CFVN7Y6NPTDPACSQC

not attested not anchored not stored refs pending

The H2 Control Problem for Quadratically Invariant Systems with Delays

Andrew Lamperski, John C. Doyle

arxiv:1312.7724 v3 · 2013-12-30 · cs.SY · 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{YDC36RDP3CFVN7Y6NPTDPACSQC}

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	2026-05-18T02:40:54.097479Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0c5bf446fd88b56ff1e6be637805280a90f03353d5a790aa70a8789290ed6cd

Aliases

arxiv: 1312.7724 · arxiv_version: 1312.7724v3 · doi: 10.48550/arxiv.1312.7724 · pith_short_12: YDC36RDP3CFV · pith_short_16: YDC36RDP3CFVN7Y6 · pith_short_8: YDC36RDP

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/YDC36RDP3CFVN7Y6NPTDPACSQC \
  | 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: c0c5bf446fd88b56ff1e6be637805280a90f03353d5a790aa70a8789290ed6cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e0894ee3ee1f3499921c3980ef755073d8993227f105dca67f33606a5d6da7b",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2013-12-30T14:18:51Z",
    "title_canon_sha256": "bfaa8459a7d4fa0b795b9944e68b84be0172bb871acb20ddd998269dfb4e6322"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.7724",
    "kind": "arxiv",
    "version": 3
  }
}