Pith Number

pith:QYW44JPA

pith:2026:QYW44JPAOHLYS3Z5UF6RBL66ZU

not attested not anchored not stored refs pending

When RL Fails after SFT: Rejuvenating Model Plasticity for Robust SFT-to-RL Handoff

Jiashun Liu, Ling Pan, Runze Liu, Xu Wan, Yuqian Fu

arxiv:2606.09932 v1 · 2026-06-07 · 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{QYW44JPAOHLYS3Z5UF6RBL66ZU}

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	2026-06-10T00:08:33.643145Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

862dce25e071d7896f3da17d10afdecd17823655c85820ef6dfd0d376272c0ae

Aliases

arxiv: 2606.09932 · arxiv_version: 2606.09932v1 · doi: 10.48550/arxiv.2606.09932 · pith_short_12: QYW44JPAOHLY · pith_short_16: QYW44JPAOHLYS3Z5 · pith_short_8: QYW44JPA

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/QYW44JPAOHLYS3Z5UF6RBL66ZU \
  | 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: 862dce25e071d7896f3da17d10afdecd17823655c85820ef6dfd0d376272c0ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "effc05567b5e4034ad49d515f5c0c18c0816159165cbfbe91753ff56c3b0d39c",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-07T17:58:58Z",
    "title_canon_sha256": "d513cffe39174c822af1141872cb6420dde423d5dbe0e545f0e9353b992c9cfd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.09932",
    "kind": "arxiv",
    "version": 1
  }
}