Pith Number

pith:WCODFZIB

pith:2026:WCODFZIBOHVH3V36ABSMVOSEGD

not attested not anchored not stored refs pending

Stability of Quadratically Regularized Optimal Transport

Alberto Gonz\'alez-Sanz, Marcel Nutz

arxiv:2605.27883 v1 · 2026-05-27 · math.OC · math.AP · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WCODFZIBOHVH3V36ABSMVOSEGD}

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	2026-05-28T01:04:51.198853Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b09c32e50171ea7dd77e0064caba4430c9fd44284f166b6c82b15aca5f6a1051

Aliases

arxiv: 2605.27883 · arxiv_version: 2605.27883v1 · doi: 10.48550/arxiv.2605.27883 · pith_short_12: WCODFZIBOHVH · pith_short_16: WCODFZIBOHVH3V36 · pith_short_8: WCODFZIB

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/WCODFZIBOHVH3V36ABSMVOSEGD \
  | 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: b09c32e50171ea7dd77e0064caba4430c9fd44284f166b6c82b15aca5f6a1051

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d47e710b2580bb4acc2191b4275008a6f7cc3b1dea384f92eb99f5e3815a7d22",
    "cross_cats_sorted": [
      "math.AP",
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2026-05-27T03:06:54Z",
    "title_canon_sha256": "28b46243efd81cc45d4211acc2c93a48d408a4d824eda93975acbfcff5696746"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.27883",
    "kind": "arxiv",
    "version": 1
  }
}