Pith Number

pith:72V4BBNC

pith:2025:72V4BBNC44WEUP7YOEF5NIV2D7

not attested not anchored not stored refs pending

Sinkhorn Normalization of Diffusion Kernels

Jean Feydy, Nathan Kessler, Robin Magnet

arxiv:2507.06161 v2 · 2025-07-08 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{72V4BBNC44WEUP7YOEF5NIV2D7}

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	2026-06-01T01:02:17.408612Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

feabc085a2e72c4a3ff8710bd6a2ba1fe8269ebd0b3611305a1f1e7d9b833e04

Aliases

arxiv: 2507.06161 · arxiv_version: 2507.06161v2 · doi: 10.48550/arxiv.2507.06161 · pith_short_12: 72V4BBNC44WE · pith_short_16: 72V4BBNC44WEUP7Y · pith_short_8: 72V4BBNC

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/72V4BBNC44WEUP7YOEF5NIV2D7 \
  | 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: feabc085a2e72c4a3ff8710bd6a2ba1fe8269ebd0b3611305a1f1e7d9b833e04

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2970b4c4aacc9ea15ed5473135dcb6291060d58ce42853b99f7031fb5bfd21ec",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-07-08T16:42:09Z",
    "title_canon_sha256": "d0519e65acefd94b8d5585c5b1982f214cf978c2de7c337a93d8a052b40a60b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.06161",
    "kind": "arxiv",
    "version": 2
  }
}