Pith Number

pith:XKB76IJK

pith:2026:XKB76IJKJS464ULME7OLT2RTM2

not attested not anchored not stored refs pending

Outcome-Grounded Advantage Reshaping for Fine-Grained Credit Assignment in Mathematical Reasoning

Deqing Yang, Feng Xiao, Hongcheng Guo, Liu Kang, Luxi Xing, Qingyi Si, Weikang Gong, Yanghua Xiao, Zhuoran Li, Ziheng Li

arxiv:2601.07408 v2 · 2026-01-12 · cs.CL · 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{XKB76IJKJS464ULME7OLT2RTM2}

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

What and When to Distill: Selective Hindsight Distillation for Multi-Turn Agents

Self-Distilled RLVR

Hidden States Know Where Reasoning Diverges: Credit Assignment via Span-Level Wasserstein Distance

Receipt and verification

First computed	2026-06-04T01:08:39.736778Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba83ff212a4cb9ee516c27dcb9ea3366837e58ae8f70076a7f4c7e7c270cfec4

Aliases

arxiv: 2601.07408 · arxiv_version: 2601.07408v2 · doi: 10.48550/arxiv.2601.07408 · pith_short_12: XKB76IJKJS46 · pith_short_16: XKB76IJKJS464ULM · pith_short_8: XKB76IJK

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/XKB76IJKJS464ULME7OLT2RTM2 \
  | 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: ba83ff212a4cb9ee516c27dcb9ea3366837e58ae8f70076a7f4c7e7c270cfec4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c21ee5f1d411588d3d65e2ee4249eacb17d11ec450ef8b92f9212be5ad3383de",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-01-12T10:48:02Z",
    "title_canon_sha256": "e1b4eb71ca227ad51de8f75cc8e6f63a2c73dc9892cca58185aba5f4aec51732"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.07408",
    "kind": "arxiv",
    "version": 2
  }
}