Pith Number

pith:PIVXBVBA

pith:2026:PIVXBVBAOLKWUQPKSIGOF4TZJ3

not attested not anchored not stored refs pending

Thinking-Based Non-Thinking: Solving the Reward Hacking Problem in Training Hybrid Reasoning Models via Reinforcement Learning

Boyan Wang, Fanyu Meng, Jiaheng Liu, Jing Huo, Junlan Feng, Linjian Meng, Runqing Miao, Siyuan Gan, Tianpei Yang, Yang Gao, Yuyao Zhang

arxiv:2601.04805 v2 · 2026-01-08 · 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{PIVXBVBAOLKWUQPKSIGOF4TZJ3}

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	2026-06-09T01:05:12.454962Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a2b70d42072d56a41ea920ce2f2794ede3ea8ab088cff4c6d9b13aae29c9460

Aliases

arxiv: 2601.04805 · arxiv_version: 2601.04805v2 · doi: 10.48550/arxiv.2601.04805 · pith_short_12: PIVXBVBAOLKW · pith_short_16: PIVXBVBAOLKWUQPK · pith_short_8: PIVXBVBA

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/PIVXBVBAOLKWUQPKSIGOF4TZJ3 \
  | 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: 7a2b70d42072d56a41ea920ce2f2794ede3ea8ab088cff4c6d9b13aae29c9460

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f9925be7a07d13e8c10a7d6fc85772d607ec78b535766ce4b78735db2434cc2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-01-08T10:38:41Z",
    "title_canon_sha256": "e0c71903d4878f268be809643cb56054467197833dec6ac734fde257a6a5c62c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.04805",
    "kind": "arxiv",
    "version": 2
  }
}