Pith Number

pith:B6DMMX2E

pith:2026:B6DMMX2ETQV5LCZSEBWAUTNQYE

not attested not anchored not stored refs pending

Full-Stack FP4: Stable LLM Pretraining with Quantized Projections, Optimizers, and Attention

Guoqi Li, Jiabo Tong, Mingchuan Ma, Siyu Ding, Xingrun Xing, Ziming Wang

arxiv:2607.04422 v1 · 2026-07-05 · 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{B6DMMX2ETQV5LCZSEBWAUTNQYE}

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	2026-07-07T02:19:17.691942Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f86c65f449c2bd58b32206c0a4db0c1351aa49863abb9ea0ce1bb643b5c1788

Aliases

arxiv: 2607.04422 · arxiv_version: 2607.04422v1 · doi: 10.48550/arxiv.2607.04422 · pith_short_12: B6DMMX2ETQV5 · pith_short_16: B6DMMX2ETQV5LCZS · pith_short_8: B6DMMX2E

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/B6DMMX2ETQV5LCZSEBWAUTNQYE \
  | 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: 0f86c65f449c2bd58b32206c0a4db0c1351aa49863abb9ea0ce1bb643b5c1788

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77df34937e3f82d727afcd49d188f5a17f280959e76d277fe2f08a0282feeca3",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-07-05T17:31:36Z",
    "title_canon_sha256": "7841810ec935ac4bac5d05b37b3ba7acf1b9b0edda4b915b5f5f7ed80308f78d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.04422",
    "kind": "arxiv",
    "version": 1
  }
}