Pith Number

pith:XVTQJF3D

pith:2025:XVTQJF3DPSH4ZL3DWKNN2WV3EM

not attested not anchored not stored refs pending

Shaping Sparse Rewards in Reinforcement Learning: A Semi-supervised Approach

Chen Sun, Wenjie Huang, Wenyun Li

arxiv:2501.19128 v5 · 2025-01-31 · cs.LG · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XVTQJF3DPSH4ZL3DWKNN2WV3EM}

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	2026-05-20T00:00:17.589342Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd670497637c8fccaf63b29add5abb2309ff4e0093405a07dd51f831c0e6a743

Aliases

arxiv: 2501.19128 · arxiv_version: 2501.19128v5 · doi: 10.48550/arxiv.2501.19128 · pith_short_12: XVTQJF3DPSH4 · pith_short_16: XVTQJF3DPSH4ZL3D · pith_short_8: XVTQJF3D

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/XVTQJF3DPSH4ZL3DWKNN2WV3EM \
  | 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: bd670497637c8fccaf63b29add5abb2309ff4e0093405a07dd51f831c0e6a743

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4993b5860be35b7e4fa792e808ec8a17b494af55cc02e833e8fbf4ac97e0e531",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-01-31T13:35:19Z",
    "title_canon_sha256": "e960e65fa750226502b5f00ad454f5561fcfc682da4629db2c87bcf995b426c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.19128",
    "kind": "arxiv",
    "version": 5
  }
}