Pith Number

pith:DAVKSLYP

pith:2026:DAVKSLYPLRTQDXFFQM3MK2HNHI

not attested not anchored not stored refs pending

Sinkhorn Linearization and the Spectral Proxy: Unifying the Statistical and Algorithmic Theory of Feature-Parameterized Inverse Optimal Transport via a Single Spectral Sandwich

Han Dong, Jiaming Li, Ruixi Li, Yin Liu, Yongqiang Gong

arxiv:2608.13201 v1 · 2026-08-13 · stat.ML · cs.LG · math.OC · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DAVKSLYPLRTQDXFFQM3MK2HNHI}

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	2026-08-14T01:00:39.217985Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

182aa92f0f5c6701dca58336c568ed3a11b26df02d27ef2572160de28ba13f4e

Aliases

arxiv: 2608.13201 · arxiv_version: 2608.13201v1 · doi: 10.48550/arxiv.2608.13201 · pith_short_12: DAVKSLYPLRTQ · pith_short_16: DAVKSLYPLRTQDXFF · pith_short_8: DAVKSLYP

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/DAVKSLYPLRTQDXFFQM3MK2HNHI \
  | 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: 182aa92f0f5c6701dca58336c568ed3a11b26df02d27ef2572160de28ba13f4e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1137ae6ca1a7782ce9939eda51fb5e6c2984aee7ac7af3591bf7daee5aad8d38",
    "cross_cats_sorted": [
      "cs.LG",
      "math.OC",
      "math.ST",
      "stat.TH"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2026-08-13T13:03:55Z",
    "title_canon_sha256": "96bb6c43d998bbd09933b84c580190ff706666c830b26dbba962ec0370db3442"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.13201",
    "kind": "arxiv",
    "version": 1
  }
}