Pith Number

pith:F472M7BB

pith:2026:F472M7BBDHLDXEK7NHBYE46GRR

not attested not anchored not stored refs pending

Contrastive Reasoning Alignment: Reinforcement Learning from Hidden Representations

Binghui Wang, Haozheng Luo, Jiahao Yu, Yan Chen, Yimin Wang

arxiv:2603.17305 v2 · 2026-03-18 · cs.AI · cs.CL · 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{F472M7BBDHLDXEK7NHBYE46GRR}

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	2026-05-20T02:05:42.120819Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f3fa67c2119d63b915f69c38273c68c51755185c188ae4014fdefd2a226faa0

Aliases

arxiv: 2603.17305 · arxiv_version: 2603.17305v2 · doi: 10.48550/arxiv.2603.17305 · pith_short_12: F472M7BBDHLD · pith_short_16: F472M7BBDHLDXEK7 · pith_short_8: F472M7BB

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/F472M7BBDHLDXEK7NHBYE46GRR \
  | 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: 2f3fa67c2119d63b915f69c38273c68c51755185c188ae4014fdefd2a226faa0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88b720ff236ffaa4fef6fa648d4d2a4b284c0612f494eefe28c5e168bc4dab2c",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-03-18T03:00:42Z",
    "title_canon_sha256": "d226048aee466b40637b358578d6bd2325853210be3378fea448c4941719e56a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.17305",
    "kind": "arxiv",
    "version": 2
  }
}