Pith Number

pith:U7V3WTYF

pith:2018:U7V3WTYFMEIBYHLLF3VN7DHPRW

not attested not anchored not stored refs pending

Two-Player Games for Efficient Non-Convex Constrained Optimization

Andrew Cotter, Heinrich Jiang, Karthik Sridharan

arxiv:1804.06500 v2 · 2018-04-17 · cs.LG · cs.GT · math.OC · 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{U7V3WTYFMEIBYHLLF3VN7DHPRW}

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	2026-05-18T00:04:30.083472Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7ebbb4f0561101c1d6b2eeadf8cef8daa482f206f098d24a987b2471cfd0db3

Aliases

arxiv: 1804.06500 · arxiv_version: 1804.06500v2 · doi: 10.48550/arxiv.1804.06500 · pith_short_12: U7V3WTYFMEIB · pith_short_16: U7V3WTYFMEIBYHLL · pith_short_8: U7V3WTYF

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/U7V3WTYFMEIBYHLLF3VN7DHPRW \
  | 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: a7ebbb4f0561101c1d6b2eeadf8cef8daa482f206f098d24a987b2471cfd0db3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e20241223c98022fdc79aee9009c20b302e6e1745eeedb886ad6af29971717df",
    "cross_cats_sorted": [
      "cs.GT",
      "math.OC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-04-17T23:13:28Z",
    "title_canon_sha256": "c290a59a1ab3079688478b161d78a03e1147e8bd1e365bde1bc7385ef539b4f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.06500",
    "kind": "arxiv",
    "version": 2
  }
}