Pith Number

pith:ZO3TO2T6

pith:2026:ZO3TO2T6MWNCEK2QKZBJVE34QJ

not attested not anchored not stored refs pending

From Prior to Pro: Efficient Skill Mastery via Distribution Contractive RL Finetuning

Shuran Song, Zhanyi Sun

arxiv:2603.10263 v2 · 2026-03-10 · cs.RO · 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{ZO3TO2T6MWNCEK2QKZBJVE34QJ}

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.

Cited by

3 papers in Pith

Coherent Off-Policy Improvement of Large Behavior Models with Learned Rewards

Adapting Generalist Robot Policies with Semantic Reinforcement Learning

Beyond Action Residuals: Real-World Robot Policy Steering via Bottleneck Latent Reinforcement Learning

Receipt and verification

First computed	2026-07-02T01:17:29.308942Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cbb7376a7e659a222b5056429a937c826a2227b3a80b979ee937cf1e74f49439

Aliases

arxiv: 2603.10263 · arxiv_version: 2603.10263v2 · doi: 10.48550/arxiv.2603.10263 · pith_short_12: ZO3TO2T6MWNC · pith_short_16: ZO3TO2T6MWNCEK2Q · pith_short_8: ZO3TO2T6

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/ZO3TO2T6MWNCEK2QKZBJVE34QJ \
  | 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: cbb7376a7e659a222b5056429a937c826a2227b3a80b979ee937cf1e74f49439

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b185847398d8a5b1323169be882bf9528cc2ec549493b4061c4ca8aca9b96f3c",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2026-03-10T22:49:46Z",
    "title_canon_sha256": "58a54e9944d049fee997e9cd07e806fa100292f562d0cf399f6e38ecc17e4a27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.10263",
    "kind": "arxiv",
    "version": 2
  }
}