Pith Number

pith:5WZ4N3WH

pith:2015:5WZ4N3WHLWKJSC56P3DGTTZZZP

not attested not anchored not stored refs pending

Fast Stochastic Algorithms for SVD and PCA: Convergence Properties and Convexity

Ohad Shamir

arxiv:1507.08788 v1 · 2015-07-31 · cs.LG · cs.NA · math.NA · math.OC · stat.ML

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5WZ4N3WHLWKJSC56P3DGTTZZZP}

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

Quantum principal component analysis without eigenvector recovery

Receipt and verification

First computed	2026-05-18T01:36:02.845311Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

edb3c6eec75d94990bbe7ec669cf39cbf21b479ece706a413e1d5d50a76008ed

Aliases

arxiv: 1507.08788 · arxiv_version: 1507.08788v1 · doi: 10.48550/arxiv.1507.08788 · pith_short_12: 5WZ4N3WHLWKJ · pith_short_16: 5WZ4N3WHLWKJSC56 · pith_short_8: 5WZ4N3WH

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/5WZ4N3WHLWKJSC56P3DGTTZZZP \
  | 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: edb3c6eec75d94990bbe7ec669cf39cbf21b479ece706a413e1d5d50a76008ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32ea8bacda57234bb5e2f49ca187aca3c563a24e2ce90b8e7ea12462c668588b",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA",
      "math.OC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2015-07-31T07:57:18Z",
    "title_canon_sha256": "4a9a9e4132c92313c5a54a453cf0f0a643db74e2ffebcdd61edb596af4d07f81"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.08788",
    "kind": "arxiv",
    "version": 1
  }
}