Pith Number

pith:4E6D6W4Y

pith:2019:4E6D6W4YZFCCNYASNVNEQA2W4Q

not attested not anchored not stored refs pending

A Universal Algorithm for Variational Inequalities Adaptive to Smoothness and Noise

Francis Bach, Kfir Y. Levy

arxiv:1902.01637 v1 · 2019-02-05 · cs.LG · 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{4E6D6W4YZFCCNYASNVNEQA2W4Q}

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	2026-05-17T23:54:47.096917Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e13c3f5b98c94426e0126d5a480356e400502dcc7b7d555923651df6170f88fb

Aliases

arxiv: 1902.01637 · arxiv_version: 1902.01637v1 · doi: 10.48550/arxiv.1902.01637 · pith_short_12: 4E6D6W4YZFCC · pith_short_16: 4E6D6W4YZFCCNYAS · pith_short_8: 4E6D6W4Y

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/4E6D6W4YZFCCNYASNVNEQA2W4Q \
  | 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: e13c3f5b98c94426e0126d5a480356e400502dcc7b7d555923651df6170f88fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "030c73169f2883c47e4d30ecfeb84bbe2abf6d2e0fb3805689bd327fe793db35",
    "cross_cats_sorted": [
      "math.OC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-02-05T10:48:14Z",
    "title_canon_sha256": "7a0117d1f3b08e8cfe6ea547fbecbf35fef7ce0782da8fd21a1962b97f570cc2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.01637",
    "kind": "arxiv",
    "version": 1
  }
}