Pith Number

pith:ICQ5CP6O

pith:2026:ICQ5CP6O4ZJHE2MXIJ7EWSL5UD

not attested not anchored not stored refs pending

Beyond Test-Time Memory: State-Space Optimal Control for LLM Reasoning

Changlong Yu, Ming Lin, Pan Li, Peihao Wang, Ren\'e Vidal, Shan Yang, Tesi Xiao, Xijun Wang, Xin Liu, Yu Lou, Zhangyang Wang

arxiv:2603.09221 v2 · 2026-03-10 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ICQ5CP6O4ZJHE2MXIJ7EWSL5UD}

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	2026-06-01T01:02:36.601025Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40a1d13fcee652726997427e4b497da0cfff82a10c5de154c72526247ad3fffe

Aliases

arxiv: 2603.09221 · arxiv_version: 2603.09221v2 · doi: 10.48550/arxiv.2603.09221 · pith_short_12: ICQ5CP6O4ZJH · pith_short_16: ICQ5CP6O4ZJHE2MX · pith_short_8: ICQ5CP6O

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/ICQ5CP6O4ZJHE2MXIJ7EWSL5UD \
  | 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: 40a1d13fcee652726997427e4b497da0cfff82a10c5de154c72526247ad3fffe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7cc0e2fdcdfc0ec7a7aebc1ac6f460f235ba4b11b973b149c987135cb8b99e2c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-03-10T05:42:13Z",
    "title_canon_sha256": "0b343be4ecadbed8170fbbcedb868b189aebb368431f0b2fbb4227e5d87b1d39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.09221",
    "kind": "arxiv",
    "version": 2
  }
}