Pith Number

pith:RNUDDPVO

pith:2026:RNUDDPVORJ6WMK4HILATB2EZZT

not attested not anchored not stored refs pending

Contraction-Gauge Preconditioning for Quantized Matrix Multiplication

Keita Teranishi, Narasinga Miniskar, Pedro Valero-Lara, Piyush Sao, Sudip Seal

arxiv:2607.18745 v1 · 2026-07-21 · cs.LG · cs.IT · cs.NA · math.IT · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RNUDDPVORJ6WMK4HILATB2EZZT}

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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.

Receipt and verification

First computed	2026-07-22T01:23:09.643261Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b6831beae8a7d662b8742c130e899ccf509a66917f695721c57f18df9f5f291

Aliases

arxiv: 2607.18745 · arxiv_version: 2607.18745v1 · doi: 10.48550/arxiv.2607.18745 · pith_short_12: RNUDDPVORJ6W · pith_short_16: RNUDDPVORJ6WMK4H · pith_short_8: RNUDDPVO

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/RNUDDPVORJ6WMK4HILATB2EZZT \
  | 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: 8b6831beae8a7d662b8742c130e899ccf509a66917f695721c57f18df9f5f291

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd764a0f60803c117c06c7931cbe4ece36430c23d5d708c284f79ad4ec974396",
    "cross_cats_sorted": [
      "cs.IT",
      "cs.NA",
      "math.IT",
      "math.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-07-21T06:09:08Z",
    "title_canon_sha256": "73c48d6b1ff9821c536d66ca7ced5e889c5e544a080a0dea00f66829d37d72d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.18745",
    "kind": "arxiv",
    "version": 1
  }
}