Pith Number

pith:P43SFD73

pith:2022:P43SFD73KUJ26XSBJRJ4FYEDEU

not attested not anchored not stored refs pending

Recursive Least Squares Policy Control with Echo State Network

Chao Liu, Chunyuan Zhang, Jie Zhao, Qi Song

arxiv:2201.04781 v1 · 2022-01-13 · 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{P43SFD73KUJ26XSBJRJ4FYEDEU}

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	2026-07-05T03:48:12.782394Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f37228ffb5513af5e414c53c2e0832524a51658a7a9f248b1923437a91ffe31

Aliases

arxiv: 2201.04781 · arxiv_version: 2201.04781v1 · doi: 10.48550/arxiv.2201.04781 · pith_short_12: P43SFD73KUJ2 · pith_short_16: P43SFD73KUJ26XSB · pith_short_8: P43SFD73

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/P43SFD73KUJ26XSBJRJ4FYEDEU \
  | 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: 7f37228ffb5513af5e414c53c2e0832524a51658a7a9f248b1923437a91ffe31

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11c1cd50347589608b3dc796316f34acab613442e0906c785fe4667af7d4f1f3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-01-13T03:41:07Z",
    "title_canon_sha256": "c24b41a2c2c05da2b0f44ad4c20c7c7d9362ccfb0b52873edb461dfd4496ce96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.04781",
    "kind": "arxiv",
    "version": 1
  }
}