Pith Number

pith:DFH3FVJX

pith:2026:DFH3FVJX5MGSSZCSWYYR4AC5ZO

not attested not anchored not stored refs pending

Don't be so Stief! Learning KV Cache low-rank approximation over the Stiefel manifold

Ahmet Caner Y\"uz\"ug\"uler, Alessio Burrello, Andrea Vannozzi, Daniele Jahier Pagliari, Enrico Macii, Luca Benfenati, Lukas Cavigelli, Matteo Risso

arxiv:2601.21686 v2 · 2026-01-29 · 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{DFH3FVJX5MGSSZCSWYYR4AC5ZO}

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	2026-06-01T01:03:48.782405Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

194fb2d537eb0d296452b6311e005dcb93ab210684c46e77e4372bc053037129

Aliases

arxiv: 2601.21686 · arxiv_version: 2601.21686v2 · doi: 10.48550/arxiv.2601.21686 · pith_short_12: DFH3FVJX5MGS · pith_short_16: DFH3FVJX5MGSSZCS · pith_short_8: DFH3FVJX

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/DFH3FVJX5MGSSZCSWYYR4AC5ZO \
  | 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: 194fb2d537eb0d296452b6311e005dcb93ab210684c46e77e4372bc053037129

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c5c9b737d4a9a3e1c9d1fad02654081b0b49ab981ae860f6e0e131013a27df0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-01-29T13:19:24Z",
    "title_canon_sha256": "f20a1e72d517850567ef90c38b1bb5e86ca42668226a82a164db47e14c577e69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.21686",
    "kind": "arxiv",
    "version": 2
  }
}