Pith Number

pith:L3OCR3OW

pith:2025:L3OCR3OWBIGQM4OSFZIRKQFFYZ

not attested not anchored not stored refs pending

Preconditioned Regularized Wasserstein Proximal Sampling

Hong Ye Tan, Stanley Osher, Wuchen Li

arxiv:2509.01685 v2 · 2025-09-01 · stat.ML · cs.LG · math.OC · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L3OCR3OWBIGQM4OSFZIRKQFFYZ}

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	2026-05-20T00:00:23.298540Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5edc28edd60a0d0671d22e511540a5c661c17343850b2f56e95020a39c1d4644

Aliases

arxiv: 2509.01685 · arxiv_version: 2509.01685v2 · doi: 10.48550/arxiv.2509.01685 · pith_short_12: L3OCR3OWBIGQ · pith_short_16: L3OCR3OWBIGQM4OS · pith_short_8: L3OCR3OW

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/L3OCR3OWBIGQM4OSFZIRKQFFYZ \
  | 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: 5edc28edd60a0d0671d22e511540a5c661c17343850b2f56e95020a39c1d4644

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f371c8c8bbf9ea3b999cf6949246e8b7ff2fa0fbfeefdb5c0ca9f796a15ffa5",
    "cross_cats_sorted": [
      "cs.LG",
      "math.OC",
      "stat.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2025-09-01T18:04:31Z",
    "title_canon_sha256": "754bcc27dbf1688d366c1abfe4c50d598df2bf7857e7d7de4969eab2087e5aa4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.01685",
    "kind": "arxiv",
    "version": 2
  }
}