Pith Number

pith:UJKB2UCD

pith:2018:UJKB2UCDA3X5CERMZIB76L7WZ3

not attested not anchored not stored refs pending

Robust Sparse Reduced Rank Regression in High Dimensions

Daniela Witten, Kean Ming Tan, Qiang Sun

arxiv:1810.07913 v2 · 2018-10-18 · stat.ML · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UJKB2UCDA3X5CERMZIB76L7WZ3}

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	2026-05-17T23:48:40.082441Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2541d504306efd1122cca03ff2ff6cecec7a38beadc9c0bb554d20e1dbde287

Aliases

arxiv: 1810.07913 · arxiv_version: 1810.07913v2 · doi: 10.48550/arxiv.1810.07913 · pith_short_12: UJKB2UCDA3X5 · pith_short_16: UJKB2UCDA3X5CERM · pith_short_8: UJKB2UCD

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/UJKB2UCDA3X5CERMZIB76L7WZ3 \
  | 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: a2541d504306efd1122cca03ff2ff6cecec7a38beadc9c0bb554d20e1dbde287

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61d377466e6e544ee5ac2e5b81b9a880a3bdabf8e674ac0bc5630d7d2dbc675b",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2018-10-18T06:21:52Z",
    "title_canon_sha256": "88aeb97f77f75e45444e408054903109a1e76c405d1919c7c419fa08fe7fcee3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.07913",
    "kind": "arxiv",
    "version": 2
  }
}