Pith Number

pith:UX4YGLO5

pith:2012:UX4YGLO52QNSGWPVP5EM7XEAJQ

not attested not anchored not stored refs pending

Sharp analysis of low-rank kernel matrix approximations

Francis Bach (INRIA Paris - Rocquencourt, LIENS)

arxiv:1208.2015 v3 · 2012-08-09 · cs.LG · math.ST · 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{UX4YGLO52QNSGWPVP5EM7XEAJQ}

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	2026-05-18T03:25:14.555064Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5f9832dddd41b2359f57f48cfdc804c279bb930ed66a4c69908ec0d7af26f3f

Aliases

arxiv: 1208.2015 · arxiv_version: 1208.2015v3 · doi: 10.48550/arxiv.1208.2015 · pith_short_12: UX4YGLO52QNS · pith_short_16: UX4YGLO52QNSGWPV · pith_short_8: UX4YGLO5

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/UX4YGLO52QNSGWPVP5EM7XEAJQ \
  | 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: a5f9832dddd41b2359f57f48cfdc804c279bb930ed66a4c69908ec0d7af26f3f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b27c086e0059a6add72c3fd744b6d2e1287e635bb671427e8f316aca7bb89422",
    "cross_cats_sorted": [
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2012-08-09T19:31:22Z",
    "title_canon_sha256": "1ae134cf344ce286c7304d6855ae997673b8cdf86e6ed5af23824cb5bdabd094"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.2015",
    "kind": "arxiv",
    "version": 3
  }
}