Pith Number

pith:B4WK3RJ3

pith:2014:B4WK3RJ35SZBYSRSK6FPFAQWDL

not attested not anchored not stored refs pending

Provable Deterministic Leverage Score Sampling

Anastasios Kyrillidis, Christos Boutsidis, Dimitris Papailiopoulos

arxiv:1404.1530 v3 · 2014-04-06 · cs.DS · cs.IT · cs.NA · math.IT · math.ST · stat.ML · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B4WK3RJ35SZBYSRSK6FPFAQWDL}

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	2026-05-18T02:50:33.582414Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f2cadc53becb21c4a32578af282161ada9da2dff205760d5a824596d538c5a7

Aliases

arxiv: 1404.1530 · arxiv_version: 1404.1530v3 · doi: 10.48550/arxiv.1404.1530 · pith_short_12: B4WK3RJ35SZB · pith_short_16: B4WK3RJ35SZBYSRS · pith_short_8: B4WK3RJ3

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/B4WK3RJ35SZBYSRSK6FPFAQWDL \
  | 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: 0f2cadc53becb21c4a32578af282161ada9da2dff205760d5a824596d538c5a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "467a454e8f24e20677e028c11f84a519a9367263c48a4041fc66dc085b5055fd",
    "cross_cats_sorted": [
      "cs.IT",
      "cs.NA",
      "math.IT",
      "math.ST",
      "stat.ML",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2014-04-06T00:08:54Z",
    "title_canon_sha256": "1123921c1a5a5f4dd33e3b95c545e027fe3ca41a962a07747d956c072611ddfa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.1530",
    "kind": "arxiv",
    "version": 3
  }
}