Pith Number

pith:6ZPRPGCU

pith:2026:6ZPRPGCUYGMNXBHX5Q55MQYAPE

not attested not anchored not stored refs pending

Beyond Imitation: Filtering On-Policy Distillation by Reasoning Progress

Chen Yang, Danny H.K. Tsang, Haiyuan Wan, Rengrong Xiong, Yize Chen

arxiv:2608.19408 v1 · 2026-08-19 · cs.AI · 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{6ZPRPGCUYGMNXBHX5Q55MQYAPE}

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	2026-08-21T00:20:43.835868Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f65f179854c198db84f7ec3bd64300791fe76a2fd778e8e8dccff88854fc6670

Aliases

arxiv: 2608.19408 · arxiv_version: 2608.19408v1 · doi: 10.48550/arxiv.2608.19408 · pith_short_12: 6ZPRPGCUYGMN · pith_short_16: 6ZPRPGCUYGMNXBHX · pith_short_8: 6ZPRPGCU

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/6ZPRPGCUYGMNXBHX5Q55MQYAPE \
  | 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: f65f179854c198db84f7ec3bd64300791fe76a2fd778e8e8dccff88854fc6670

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40f550a547e76f194b3c5600300e1bc7a4ae8a98c05f1d55734825636ab48f6d",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-08-19T19:45:32Z",
    "title_canon_sha256": "e639eeca80b2d5079f877b31a9df25ca43df12c3b4681fbc14ef29d760ca50d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.19408",
    "kind": "arxiv",
    "version": 1
  }
}