Pith Number

pith:FVE4YUNB

pith:2025:FVE4YUNBEAKIJAXZFHL2NMO2OX

not attested not anchored not stored refs pending

Randomized block Kaczmarz with volume sampling: Momentum acceleration and efficient implementation

Jiaxin Xie, Qiye Zhang, Ruike Xiang

arxiv:2503.13941 v1 · 2025-03-18 · 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{FVE4YUNBEAKIJAXZFHL2NMO2OX}

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

On subspace-constrained preconditioning for randomized iterative methods

Receipt and verification

First computed	2026-07-05T10:33:22.033779Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d49cc51a120148482f929d7a6b1da75f8ecc8ac26399bc1aaba7356668c4404

Aliases

arxiv: 2503.13941 · arxiv_version: 2503.13941v1 · doi: 10.48550/arxiv.2503.13941 · pith_short_12: FVE4YUNBEAKI · pith_short_16: FVE4YUNBEAKIJAXZ · pith_short_8: FVE4YUNB

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/FVE4YUNBEAKIJAXZFHL2NMO2OX \
  | 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: 2d49cc51a120148482f929d7a6b1da75f8ecc8ac26399bc1aaba7356668c4404

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18c921a9c8fabbf11a29817b5afb3215026dd176fac0027eea105b30639732c6",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-03-18T06:13:47Z",
    "title_canon_sha256": "04be033a6cd1026bb1853d50a00f3de7a0310c377e46258111f767b25f0c456f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.13941",
    "kind": "arxiv",
    "version": 1
  }
}