Pith Number

pith:QMMK7OFV

pith:2026:QMMK7OFV7YO55SL6QAVEMG2NNV

not attested not anchored not stored refs pending

Lightning OPD 2.0: Mitigating Style Bias in Cross-Teacher On-Policy Distillation for Large Reasoning Models

Han Cai, Song Han, Yecheng Wu

arxiv:2607.28449 v1 · 2026-07-30 · 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{QMMK7OFV7YO55SL6QAVEMG2NNV}

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	2026-07-31T01:37:39.896847Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

8318afb8b5fe1ddec97e802a461b4d6d4d9e688416f4bdf33e86e0a062d0ca1e

Aliases

arxiv: 2607.28449 · arxiv_version: 2607.28449v1 · doi: 10.48550/arxiv.2607.28449 · pith_short_12: QMMK7OFV7YO5 · pith_short_16: QMMK7OFV7YO55SL6 · pith_short_8: QMMK7OFV

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/QMMK7OFV7YO55SL6QAVEMG2NNV \
  | 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: 8318afb8b5fe1ddec97e802a461b4d6d4d9e688416f4bdf33e86e0a062d0ca1e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0fe6c8a6210aa0609ca949604496f24f4a767f8f1288254c962acb41f17bbf17",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-07-30T16:17:15Z",
    "title_canon_sha256": "05f7126edf7bfac00599b669ebba943fcc02d82a7b25dba6cf6ab4555f2af893"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.28449",
    "kind": "arxiv",
    "version": 1
  }
}