Pith Number

pith:C6MHLNN2

pith:2022:C6MHLNN2CZEH7YWDK4C3FIYIK4

not attested not anchored not stored refs pending

Regret Lower Bounds for Learning Linear Quadratic Gaussian Systems

Henrik Sandberg, Ingvar Ziemann

arxiv:2201.01680 v4 · 2022-01-05 · cs.LG · math.OC · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C6MHLNN2CZEH7YWDK4C3FIYIK4}

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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.

Cited by

1 paper in Pith

Double Preconditioning (DoPr): Optimization for Test-Time Performance, not Validation Loss

Receipt and verification

First computed	2026-07-05T08:30:46.536675Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

179875b5ba16487fe2c35705b2a3085703618e3ded8cdd4cd61d6d0d32fc2c9a

Aliases

arxiv: 2201.01680 · arxiv_version: 2201.01680v4 · doi: 10.48550/arxiv.2201.01680 · pith_short_12: C6MHLNN2CZEH · pith_short_16: C6MHLNN2CZEH7YWD · pith_short_8: C6MHLNN2

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/C6MHLNN2CZEH7YWDK4C3FIYIK4 \
  | 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: 179875b5ba16487fe2c35705b2a3085703618e3ded8cdd4cd61d6d0d32fc2c9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d89bdc4f08757dd569a61f8f833e052e7db4a8d91964223dd18842432b8d95b5",
    "cross_cats_sorted": [
      "math.OC",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-01-05T16:19:16Z",
    "title_canon_sha256": "18dbba9179dc1cbc2f06829811c79408c3ac4675084e37eb5e8a90fa640a86d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.01680",
    "kind": "arxiv",
    "version": 4
  }
}