Pith Number

pith:FNZM4IX3

pith:2025:FNZM4IX3E6YBUUHE67SSDHKK52

not attested not anchored not stored refs pending

Semi-pessimistic Reinforcement Learning

Chengchun Shi, Gholamali Aminian, Jiaang Yao, Jin Zhu, Lexin Li, Omar Rivasplata, Simon Little, Xin Zhou

arxiv:2505.19002 v1 · 2025-05-25 · cs.LG · cs.AI · 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{FNZM4IX3E6YBUUHE67SSDHKK52}

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	2026-07-05T11:09:23.370347Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b72ce22fb27b01a50e4f7e5219d4aee879e51a4d5da0b8480012623bff560a6

Aliases

arxiv: 2505.19002 · arxiv_version: 2505.19002v1 · doi: 10.48550/arxiv.2505.19002 · pith_short_12: FNZM4IX3E6YB · pith_short_16: FNZM4IX3E6YBUUHE · pith_short_8: FNZM4IX3

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/FNZM4IX3E6YBUUHE67SSDHKK52 \
  | 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: 2b72ce22fb27b01a50e4f7e5219d4aee879e51a4d5da0b8480012623bff560a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d0ec5bde469854a8418ede8c75f69e25340a402731763a49355d05d2bfc39ff",
    "cross_cats_sorted": [
      "cs.AI",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-05-25T06:47:36Z",
    "title_canon_sha256": "2c34e2b5d7fa8bd2c13319cacc6b9b64877cd31b99c483f8efd3b89c56821eeb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.19002",
    "kind": "arxiv",
    "version": 1
  }
}