Pith Number

pith:ZVC4MDHC

pith:2019:ZVC4MDHCERZPWVQHPB5PJKS5RE

not attested not anchored not stored refs pending

Some Worst-Case Datasets of Deterministic First-Order Methods for Solving Binary Logistic Regression

Trevor Squires, Yuyuan Ouyang

arxiv:1908.04091 v1 · 2019-08-12 · 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{ZVC4MDHCERZPWVQHPB5PJKS5RE}

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	2026-07-04T23:53:20.647814Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd45c60ce22472fb5607787af4aa5d892b1398306b8ba82afa2f9abfb376e04a

Aliases

arxiv: 1908.04091 · arxiv_version: 1908.04091v1 · doi: 10.48550/arxiv.1908.04091 · pith_short_12: ZVC4MDHCERZP · pith_short_16: ZVC4MDHCERZPWVQH · pith_short_8: ZVC4MDHC

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/ZVC4MDHCERZPWVQHPB5PJKS5RE \
  | 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: cd45c60ce22472fb5607787af4aa5d892b1398306b8ba82afa2f9abfb376e04a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f20d70c40394782389b1ed04d304a8eb5bffdc8f5fc842feb1f9378678e2bfc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-08-12T11:17:45Z",
    "title_canon_sha256": "b9671c0887f18249474f9d4d8e133afccfef792de456ff48238f0abe516ef4fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.04091",
    "kind": "arxiv",
    "version": 1
  }
}