Pith Number

pith:WSUPW7Q7

pith:2018:WSUPW7Q76Q44VC34FN4J3ENX6E

not attested not anchored not stored refs pending

Task Embedded Coordinate Update: A Realizable Framework for Multivariate Non-convex Optimization

Long Ma, Risheng Liu, Xiaoliang Song, Yiyang Wang

arxiv:1811.01587 v2 · 2018-11-05 · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WSUPW7Q76Q44VC34FN4J3ENX6E}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:01:06.483835Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4a8fb7e1ff439ca8b7c2b789d91b7f13f4f9b88c6772fe812e87824e8149832

Aliases

arxiv: 1811.01587 · arxiv_version: 1811.01587v2 · doi: 10.48550/arxiv.1811.01587 · pith_short_12: WSUPW7Q76Q44 · pith_short_16: WSUPW7Q76Q44VC34 · pith_short_8: WSUPW7Q7

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/WSUPW7Q76Q44VC34FN4J3ENX6E \
  | 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: b4a8fb7e1ff439ca8b7c2b789d91b7f13f4f9b88c6772fe812e87824e8149832

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4594fc86e5dcfde7d3502edd1e86a8521a867ae0974f25d3fe6ece31d3db9224",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-11-05T10:15:43Z",
    "title_canon_sha256": "3327236faff6b33963f455d23b6a5b04cfa3795fad30b44b6df11eccf5ef2b9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.01587",
    "kind": "arxiv",
    "version": 2
  }
}