Pith Number

pith:QGHQWM6F

pith:2025:QGHQWM6FJEYMGBIDIZPWGFVKAO

not attested not anchored not stored refs pending

Nested Stochastic Algorithm for Generalized Sinkhorn distance-Regularized Distributionally Robust Optimization

Yi Zhou, Yufeng Yang, Zhaosong Lu

arxiv:2503.22923 v2 · 2025-03-29 · math.OC · 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{QGHQWM6FJEYMGBIDIZPWGFVKAO}

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	2026-07-05T11:27:53.533704Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

818f0b33c54930c30503465f6316aa03bcec9597128f48910c7f3f0efa37f0cb

Aliases

arxiv: 2503.22923 · arxiv_version: 2503.22923v2 · doi: 10.48550/arxiv.2503.22923 · pith_short_12: QGHQWM6FJEYM · pith_short_16: QGHQWM6FJEYMGBID · pith_short_8: QGHQWM6F

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/QGHQWM6FJEYMGBIDIZPWGFVKAO \
  | 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: 818f0b33c54930c30503465f6316aa03bcec9597128f48910c7f3f0efa37f0cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e029a22c7d2c7eccb4cb853de667710e9b7f307b618addbe54ec5a285a13d76",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2025-03-29T01:01:02Z",
    "title_canon_sha256": "56977c8389ca4962491b5561f86d0f7a2cdb935b5977a0fa47bc671f9520dfbe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.22923",
    "kind": "arxiv",
    "version": 2
  }
}