Pith Number

pith:O4IXK4NV

pith:2026:O4IXK4NV7MX3Y6IUBGD5KGKZPS

not attested not anchored not stored refs pending

When Implausible Tokens Get Reinforced: Tail-Aware Credit Calibration for LLM Reinforcement Learning

Guanchu Wang, Hoang Anh Duy Le, Vladimir Braverman, Xiuyi Lou, Yu-Neng Chuang, Zhaozhuo Xu, Zicheng Xu

arxiv:2607.07976 v1 · 2026-07-08 · cs.CL · 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{O4IXK4NV7MX3Y6IUBGD5KGKZPS}

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	2026-07-10T00:19:06.409946Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77117571b5fb2fbc79140987d519597caf0770cd35e28c830d5d11a188f1ab75

Aliases

arxiv: 2607.07976 · arxiv_version: 2607.07976v1 · doi: 10.48550/arxiv.2607.07976 · pith_short_12: O4IXK4NV7MX3 · pith_short_16: O4IXK4NV7MX3Y6IU · pith_short_8: O4IXK4NV

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/O4IXK4NV7MX3Y6IUBGD5KGKZPS \
  | 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: 77117571b5fb2fbc79140987d519597caf0770cd35e28c830d5d11a188f1ab75

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f25ac801be7c472c56868e3ed356cbe35ff29169d25acd5b2bededa487613fc",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-07-08T23:00:54Z",
    "title_canon_sha256": "f47f22ea0e97e9262c81b191ca456360d5cf8966b2133713cb0031e40a6eb36d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.07976",
    "kind": "arxiv",
    "version": 1
  }
}