Pith Number

pith:5VIWWPPU

pith:2026:5VIWWPPU2CKVBRZHWYXELIBT6K

not attested not anchored not stored refs pending

Extrapolative Weight Averaging Reveals Correctness-Efficiency Frontiers in Code RL

Benjamin Negrevergne, Gabriel Synnaeve, Jonas Gehring, Juliette Decugis, Kunhao Zheng, Pierre Chambon, Taco Cohen

arxiv:2605.28751 v1 · 2026-05-27 · cs.LG · cs.AI · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5VIWWPPU2CKVBRZHWYXELIBT6K}

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	2026-05-28T02:05:01.913737Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed516b3df4d09550c727b62e45a033f2aace68d52891d813afe2c58a380b4269

Aliases

arxiv: 2605.28751 · arxiv_version: 2605.28751v1 · doi: 10.48550/arxiv.2605.28751 · pith_short_12: 5VIWWPPU2CKV · pith_short_16: 5VIWWPPU2CKVBRZH · pith_short_8: 5VIWWPPU

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/5VIWWPPU2CKVBRZHWYXELIBT6K \
  | 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: ed516b3df4d09550c727b62e45a033f2aace68d52891d813afe2c58a380b4269

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29ff5aef3b119604c031f14007aa90ab4b68a55ecba7cb1bf8b2937fbb976a60",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-27T17:09:30Z",
    "title_canon_sha256": "e42a9ed5ec61f901295d95598c68704ba23fb6761853428ad15ba13b1e92cd41"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.28751",
    "kind": "arxiv",
    "version": 1
  }
}