Pith Number

pith:KJKZNWXM

pith:2025:KJKZNWXMHVIG5DSFKRAYUFOHG7

not attested not anchored not stored refs pending

When Can We Solve the Weighted Low Rank Approximation Problem in Truly Subquadratic Time?

Chenyang Li, Yingyu Liang, Zhao Song, Zhenmei Shi

arxiv:2502.16912 v1 · 2025-02-24 · cs.CC · cs.AI · 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{KJKZNWXMHVIG5DSFKRAYUFOHG7}

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.

Cited by

1 paper in Pith

Fundamental Limits of Prompt Tuning Transformers: Universality, Capacity and Efficiency

Receipt and verification

First computed	2026-07-05T10:19:02.186472Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

525596daec3d506e8e4554418a15c737d6858be864a11340d72d3b40ccf4d7c7

Aliases

arxiv: 2502.16912 · arxiv_version: 2502.16912v1 · doi: 10.48550/arxiv.2502.16912 · pith_short_12: KJKZNWXMHVIG · pith_short_16: KJKZNWXMHVIG5DSF · pith_short_8: KJKZNWXM

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/KJKZNWXMHVIG5DSFKRAYUFOHG7 \
  | 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: 525596daec3d506e8e4554418a15c737d6858be864a11340d72d3b40ccf4d7c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51ca57171d47bcf08c38e3b1fae4b43081d1e579cb36443d6ac12c09ae9111b3",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2025-02-24T07:18:24Z",
    "title_canon_sha256": "1057ee5eadb386755af014ab5ba278db84fb110449afea67b01061973c4362ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.16912",
    "kind": "arxiv",
    "version": 1
  }
}