Pith Number

pith:XZEYEPZC

pith:2026:XZEYEPZC7UNWTYLTYSSNN4VQYP

not attested not anchored not stored refs pending

Fast and Stable Triangular Inversion for Delta-Rule Linear Transformers

Aleksandros Sobczyk, Anastasios Zouzias, Christos K. Matzoros, Filip Skogh, Gioele Gottardo, Jiawei Zhuang, Mirko De Vita

arxiv:2605.21325 v1 · 2026-05-20 · 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{XZEYEPZC7UNWTYLTYSSNN4VQYP}

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	2026-05-21T02:05:29.249287Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be49823f22fd1b69e173c4a4d6f2b0c3ef0f8013427f1a2144f3bdeeff58b4ed

Aliases

arxiv: 2605.21325 · arxiv_version: 2605.21325v1 · doi: 10.48550/arxiv.2605.21325 · pith_short_12: XZEYEPZC7UNW · pith_short_16: XZEYEPZC7UNWTYLT · pith_short_8: XZEYEPZC

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/XZEYEPZC7UNWTYLTYSSNN4VQYP \
  | 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: be49823f22fd1b69e173c4a4d6f2b0c3ef0f8013427f1a2144f3bdeeff58b4ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9bd6d84c95a7c892bb187e79b870d176062e16764c33dcae7fd9cbeeabb0e306",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-20T15:51:32Z",
    "title_canon_sha256": "802593022f92a4551e262b256c17f4f099cc0bfc20a192aa261c244f56d29328"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.21325",
    "kind": "arxiv",
    "version": 1
  }
}