Pith Number

pith:ZOJ2MBIO

pith:2026:ZOJ2MBIOGIJJFKPZEUK2IIEDNI

not attested not anchored not stored refs pending

Decomposing MXFP4 quantization error for LLM reinforcement learning: reducible bias, recoverable deadzone, and an irreducible floor

Shiliang Wu, Xiaocan Li, Zheng Shen

arxiv:2605.20402 v1 · 2026-05-19 · cs.LG · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZOJ2MBIOGIJJFKPZEUK2IIEDNI}

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	2026-05-21T01:04:36.635515Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb93a6050e321292a9f92515a420836a1bdc38e79540e0f69978e8d2e4aaf322

Aliases

arxiv: 2605.20402 · arxiv_version: 2605.20402v1 · doi: 10.48550/arxiv.2605.20402 · pith_short_12: ZOJ2MBIOGIJJ · pith_short_16: ZOJ2MBIOGIJJFKPZ · pith_short_8: ZOJ2MBIO

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/ZOJ2MBIOGIJJFKPZEUK2IIEDNI \
  | 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: cb93a6050e321292a9f92515a420836a1bdc38e79540e0f69978e8d2e4aaf322

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f25ac7aeb028edabea2d6f920174b306f5a269f3f94bfa24395a6cf4efcad47a",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-19T18:59:26Z",
    "title_canon_sha256": "333922b3079274129d078e62fc5af49b3b4af0a578e9b1f299391b2d88ef52ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.20402",
    "kind": "arxiv",
    "version": 1
  }
}