Pith Number

pith:PZAKQLQK

pith:2026:PZAKQLQKIJ2KJO7ZSIZ4HXV3ZA

not attested not anchored not stored refs pending

Swift-SVD: Theoretical Optimality Meets Practical Efficiency in Low-Rank LLM Compression

Chen Chen, Jian Chen, Ming Li, Qizhen Weng, Ruoling Qi, Xiangyu Wang, Xuaner Wu, Yin Chen, Yirui Liu

arxiv:2604.01609 v2 · 2026-04-02 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PZAKQLQKIJ2KJO7ZSIZ4HXV3ZA}

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	2026-06-09T02:07:25.877355Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e40a82e0a4274a4bbf99233c3debbc81c6a16c2fa7595b43d8f3038ecb41796

Aliases

arxiv: 2604.01609 · arxiv_version: 2604.01609v2 · doi: 10.48550/arxiv.2604.01609 · pith_short_12: PZAKQLQKIJ2K · pith_short_16: PZAKQLQKIJ2KJO7Z · pith_short_8: PZAKQLQK

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/PZAKQLQKIJ2KJO7ZSIZ4HXV3ZA \
  | 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: 7e40a82e0a4274a4bbf99233c3debbc81c6a16c2fa7595b43d8f3038ecb41796

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "034ee4bb488c74c14a18cdf1b5ea8cc35365206299c8cb3fd03a7da81b9f2b10",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-04-02T04:40:50Z",
    "title_canon_sha256": "9acd5b122bff0fcd6de69d52ae42cb55dcc67c61843a4f0246230ba9ec255adb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2604.01609",
    "kind": "arxiv",
    "version": 2
  }
}