Pith Number

pith:QRS3EBEB

pith:2025:QRS3EBEBGECP7PXJC5T52FRNV6

not attested not anchored not stored refs pending

Efficient adaptive randomized algorithms for fixed-threshold low-rank matrix approximation

Qiaohua Liu, Yuejuan Yu

arxiv:2508.07553 v1 · 2025-08-11 · math.NA · cs.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{QRS3EBEBGECP7PXJC5T52FRNV6}

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

Adaptive, Matrix-Free Low-Rank Approximation

Receipt and verification

First computed	2026-07-05T11:51:48.223827Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8465b204813104ffbee91767dd162daf97fe4c820130863e4c949e57e28d5790

Aliases

arxiv: 2508.07553 · arxiv_version: 2508.07553v1 · doi: 10.48550/arxiv.2508.07553 · pith_short_12: QRS3EBEBGECP · pith_short_16: QRS3EBEBGECP7PXJ · pith_short_8: QRS3EBEB

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/QRS3EBEBGECP7PXJC5T52FRNV6 \
  | 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: 8465b204813104ffbee91767dd162daf97fe4c820130863e4c949e57e28d5790

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b334905e2d9b9fbd666df010e10a72c1d0548ed3a02bc66235b92dea59b6d115",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-08-11T02:26:29Z",
    "title_canon_sha256": "1e4edb29e0a012d61320f83635d13d1d42cb903a549f5dbac84c2298398f7f31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.07553",
    "kind": "arxiv",
    "version": 1
  }
}