Pith Number

pith:ERG5B353

pith:2025:ERG5B353T5SOCEXXBSR7WGVAAH

not attested not anchored not stored refs pending

On Subsample Size of Quantile-Based Randomized Kaczmarz

Anna Ma, Jian-Feng Cai, Junren Chen, Tong Wu

arxiv:2507.15185 v1 · 2025-07-21 · 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{ERG5B353T5SOCEXXBSR7WGVAAH}

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	2026-07-05T11:40:19.842123Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

244dd0efbb9f64e112f70ca3fb1aa001f446e02850bcf6f40cdb29ea68a99a73

Aliases

arxiv: 2507.15185 · arxiv_version: 2507.15185v1 · doi: 10.48550/arxiv.2507.15185 · pith_short_12: ERG5B353T5SO · pith_short_16: ERG5B353T5SOCEXX · pith_short_8: ERG5B353

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/ERG5B353T5SOCEXXBSR7WGVAAH \
  | 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: 244dd0efbb9f64e112f70ca3fb1aa001f446e02850bcf6f40cdb29ea68a99a73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee4d09e27bbed4357bdb7518d455eaedd469dfd6cc7a396fecf54c57501fc624",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-07-21T02:06:39Z",
    "title_canon_sha256": "1e0c137fb341ce2a17cc9c24562607d2b51017272484be910c1e59bab848b816"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.15185",
    "kind": "arxiv",
    "version": 1
  }
}