Pith Number

pith:DQB64XYZ

pith:2025:DQB64XYZF5M6BTDLR5UFJ6E3CV

not attested not anchored not stored refs pending

FP4 All the Way: Fully Quantized Training of LLMs

Brian Chmiel, Daniel Soudry, Maxim Fishman, Ron Banner

arxiv:2505.19115 v2 · 2025-05-25 · cs.LG · cs.AI

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DQB64XYZF5M6BTDLR5UFJ6E3CV}

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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

20 papers in Pith

SharQ: Bridging Activation Sparsity and FP4 Quantization for LLM Inference

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

Not All NVFP4 QAT Recipes Are Equal: How Architecture and Scale Shape Model Quality for Anomaly Segmentation

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

ThriftAttention: Selective Mixed Precision for Long-Context FP4 Attention

Receipt and verification

First computed	2026-07-05T11:51:27.346189Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c03ee5f192f59e0cc6b8f6854f89b157134461063c90f7c1c3e4ca9c8a8f443

Aliases

arxiv: 2505.19115 · arxiv_version: 2505.19115v2 · doi: 10.48550/arxiv.2505.19115 · pith_short_12: DQB64XYZF5M6 · pith_short_16: DQB64XYZF5M6BTDL · pith_short_8: DQB64XYZ

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/DQB64XYZF5M6BTDLR5UFJ6E3CV \
  | 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: 1c03ee5f192f59e0cc6b8f6854f89b157134461063c90f7c1c3e4ca9c8a8f443

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11eed4db1c46092e6ad1466044b6f2717940bd619848aec30fe953c6ea3461c4",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-05-25T12:14:25Z",
    "title_canon_sha256": "74abfb16594427dd6293c8ea3dc5018428dfac57f787cec3d4e6c85b86662e96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.19115",
    "kind": "arxiv",
    "version": 2
  }
}