Pith Number

pith:S3M4TPRL

pith:2025:S3M4TPRLDPYV5NEM7BFNRC6D2N

not attested not anchored not stored refs pending

Fast and Accurate SVD-Type Updating in Streaming Data

Johannes J. Brust, Michael A. Saunders

arxiv:2509.02840 v1 · 2025-09-02 · math.NA · cs.LG · cs.MS · 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{S3M4TPRLDPYV5NEM7BFNRC6D2N}

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

Incremental SVD for Large-Scale Dynamic Matrices: Accuracy, Subspace Stability, Refresh Strategies, and Financial Factor-Based Risk Models

Receipt and verification

First computed	2026-07-05T12:03:58.370096Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96d9c9be2b1bf15eb48cf84ad88bc3d35ef6748bc96ecee1796b7234382d4911

Aliases

arxiv: 2509.02840 · arxiv_version: 2509.02840v1 · doi: 10.48550/arxiv.2509.02840 · pith_short_12: S3M4TPRLDPYV · pith_short_16: S3M4TPRLDPYV5NEM · pith_short_8: S3M4TPRL

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/S3M4TPRLDPYV5NEM7BFNRC6D2N \
  | 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: 96d9c9be2b1bf15eb48cf84ad88bc3d35ef6748bc96ecee1796b7234382d4911

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70ab69ba8896df4d1bee27888bde9b118e56d7eca711353d90ee9e3474b05f13",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.MS",
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-09-02T21:17:37Z",
    "title_canon_sha256": "15830cb46c9a99b501b495f542640a8fa1635721d340b47509c3f926d417af54"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.02840",
    "kind": "arxiv",
    "version": 1
  }
}