Pith Number

pith:OCMTZXGR

pith:2019:OCMTZXGRMXNTUHUHYCUUSTKOO2

not attested not anchored not stored refs pending

SACOBRA with Online Whitening for Solving Optimization Problems with High Conditioning

Samineh Bagheri, Thomas B\"ack, Wolfgang Konen

arxiv:1904.08397 v1 · 2019-04-17 · stat.ML · cs.LG · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OCMTZXGRMXNTUHUHYCUUSTKOO2}

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	2026-05-17T23:48:17.798628Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70993cdcd165db3a1e87c0a9494d4e76a451fd08ecf307e258dd2f6c62f158cd

Aliases

arxiv: 1904.08397 · arxiv_version: 1904.08397v1 · doi: 10.48550/arxiv.1904.08397 · pith_short_12: OCMTZXGRMXNT · pith_short_16: OCMTZXGRMXNTUHUH · pith_short_8: OCMTZXGR

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/OCMTZXGRMXNTUHUHYCUUSTKOO2 \
  | 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: 70993cdcd165db3a1e87c0a9494d4e76a451fd08ecf307e258dd2f6c62f158cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "deb8867b1e320e3c79ba28829d316c899cef5cff6bbdaa48958d6ab538d48396",
    "cross_cats_sorted": [
      "cs.LG",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2019-04-17T17:53:42Z",
    "title_canon_sha256": "57cced0639c73cfebb3519da42d80134b46fb45bc2589858229ce231e4ff471c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.08397",
    "kind": "arxiv",
    "version": 1
  }
}