Pith Number

pith:YCR4E2EE

pith:2026:YCR4E2EEZWVEFNKLCK5D3BTMZK

not attested not anchored not stored refs pending

On the Gap Between H2 Optimal Control and Disturbance Decoupling

Ruirui Ma, Sarah H.Q. Li

arxiv:2603.20438 v2 · 2026-03-20 · 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{YCR4E2EEZWVEFNKLCK5D3BTMZK}

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	2026-06-02T01:03:45.822390Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0a3c26884cdaa42b54b12ba3d866cca91729741716b80755a75af0a4fb21846

Aliases

arxiv: 2603.20438 · arxiv_version: 2603.20438v2 · doi: 10.48550/arxiv.2603.20438 · pith_short_12: YCR4E2EEZWVE · pith_short_16: YCR4E2EEZWVEFNKL · pith_short_8: YCR4E2EE

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/YCR4E2EEZWVEFNKLCK5D3BTMZK \
  | 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: c0a3c26884cdaa42b54b12ba3d866cca91729741716b80755a75af0a4fb21846

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3ababbc2c97b6938039349cae8923b1ba6f1c3f70ac36cf4696cc2dc06bc115",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2026-03-20T19:09:12Z",
    "title_canon_sha256": "a1f10b53a3d8a59f59c5716dded0772d1cd1abacdd479af567c8c28fb1817065"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.20438",
    "kind": "arxiv",
    "version": 2
  }
}