Pith Number

pith:BZ2XZW2U

pith:2015:BZ2XZW2UDRGONK4FSPMZZ2HCBU

not attested not anchored not stored refs pending

Computational and Statistical Boundaries for Submatrix Localization in a Large Noisy Matrix

Alexander Rakhlin, Tengyuan Liang, T. Tony Cai

arxiv:1502.01988 v2 · 2015-02-06 · 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{BZ2XZW2UDRGONK4FSPMZZ2HCBU}

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	2026-07-05T01:21:44.180038Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e757cdb541c4ce6ab8593d99ce8e20d2126564c0ee724ea92af74bb73c5c4de

Aliases

arxiv: 1502.01988 · arxiv_version: 1502.01988v2 · doi: 10.48550/arxiv.1502.01988 · pith_short_12: BZ2XZW2UDRGO · pith_short_16: BZ2XZW2UDRGONK4F · pith_short_8: BZ2XZW2U

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/BZ2XZW2UDRGONK4FSPMZZ2HCBU \
  | 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: 0e757cdb541c4ce6ab8593d99ce8e20d2126564c0ee724ea92af74bb73c5c4de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "514e76ce2d22a218beadd700268f67364edeff051734119dff1a382309f5a9a9",
    "cross_cats_sorted": [
      "stat.ML",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2015-02-06T18:58:28Z",
    "title_canon_sha256": "ac58d23e39ea1c1bcdc998b87f2d9f93b23a53b616daf8e4a2f61058fc7f77dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.01988",
    "kind": "arxiv",
    "version": 2
  }
}