Pith Number

pith:33BOP2XW

pith:2012:33BOP2XWGHWBTLRG3UHAI3C7DS

not attested not anchored not stored refs pending

The Fast Cauchy Transform and Faster Robust Linear Regression

David P. Woodruff, Kenneth L. Clarkson, Malik Magdon-Ismail, Michael W. Mahoney, Petros Drineas, Xiangrui Meng

arxiv:1207.4684 v3 · 2012-07-19 · cs.DS · 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{33BOP2XWGHWBTLRG3UHAI3C7DS}

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	2026-05-18T02:54:47.288990Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dec2e7eaf631ec19ae26dd0e046c5f1ca0150ae49122804eaf831f8addb345bf

Aliases

arxiv: 1207.4684 · arxiv_version: 1207.4684v3 · doi: 10.48550/arxiv.1207.4684 · pith_short_12: 33BOP2XWGHWB · pith_short_16: 33BOP2XWGHWBTLRG · pith_short_8: 33BOP2XW

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/33BOP2XWGHWBTLRG3UHAI3C7DS \
  | 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: dec2e7eaf631ec19ae26dd0e046c5f1ca0150ae49122804eaf831f8addb345bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e41f2d2ebd9c17708e6d25387dddb0aec024745315d569e91f005e7fe135e00",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2012-07-19T14:26:05Z",
    "title_canon_sha256": "eaaae3a67274572e9684302bba95bf716356cc85e6d6c742a3563eabfd477aea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.4684",
    "kind": "arxiv",
    "version": 3
  }
}