Pith Number

pith:HVTNHRYL

pith:2018:HVTNHRYLLCLRCNLTWCVEB5UND5

not attested not anchored not stored refs pending

A Block Coordinate Ascent Algorithm for Mean-Variance Optimization

Bo Liu, Daesub Yoon, Daoming Lyu, Mohammad Ghavamzadeh, Tengyang Xie, Yangyang Xu, Yinlam Chow

arxiv:1809.02292 v3 · 2018-09-07 · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HVTNHRYLLCLRCNLTWCVEB5UND5}

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	2026-05-18T00:01:43.131063Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d66d3c70b5897113573b0aa40f68d1f68ff2ef582581cd8a3a8014d1214c744

Aliases

arxiv: 1809.02292 · arxiv_version: 1809.02292v3 · doi: 10.48550/arxiv.1809.02292 · pith_short_12: HVTNHRYLLCLR · pith_short_16: HVTNHRYLLCLRCNLT · pith_short_8: HVTNHRYL

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/HVTNHRYLLCLRCNLTWCVEB5UND5 \
  | 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: 3d66d3c70b5897113573b0aa40f68d1f68ff2ef582581cd8a3a8014d1214c744

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4b16f37ff912ae3864618a59ea3381b80b64109e26028c7ae06fe2d72d40ca1",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-09-07T03:15:20Z",
    "title_canon_sha256": "b814e92ea81f9f97ea2efedec41c0a522bc38c59467ff5288547489e9e08171c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.02292",
    "kind": "arxiv",
    "version": 3
  }
}