Pith Number

pith:35NHARPY

pith:2024:35NHARPYWHZHZZJ7AC7QA5BSRN

not attested not anchored not stored refs pending

A sublinear-time randomized algorithm for column and row subset selection based on strong rank-revealing QR factorizations

Alice Cortinovis, Lexing Ying

arxiv:2402.13975 v1 · 2024-02-21 · 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{35NHARPYWHZHZZJ7AC7QA5BSRN}

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

A Semi-Lagrangian Adaptive-Rank (SLAR) Method for Linear Advection and Nonlinear Vlasov-Poisson System

Receipt and verification

First computed	2026-07-05T07:47:50.920160Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df5a7045f8b1f27ce53f00bf0074328b57181241118a5c655c6102229391ae29

Aliases

arxiv: 2402.13975 · arxiv_version: 2402.13975v1 · doi: 10.48550/arxiv.2402.13975 · pith_short_12: 35NHARPYWHZH · pith_short_16: 35NHARPYWHZHZZJ7 · pith_short_8: 35NHARPY

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/35NHARPYWHZHZZJ7AC7QA5BSRN \
  | 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: df5a7045f8b1f27ce53f00bf0074328b57181241118a5c655c6102229391ae29

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "663f17bdb249c8c3f7445b2c5c47acbd5e10502cefe939a496520383e5d5b5d2",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2024-02-21T18:01:14Z",
    "title_canon_sha256": "c351a4a7c64b4be2b170dc6cc86236de91615ec30cbbf28bf3c5939df9cf5d8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2402.13975",
    "kind": "arxiv",
    "version": 1
  }
}