Pith Number

pith:AOBDDKQ4

pith:2020:AOBDDKQ4BMULLZOILLJPFDXUCJ

not attested not anchored not stored refs pending

Linear Time Sinkhorn Divergences using Positive Features

Marco Cuturi, Meyer Scetbon

arxiv:2006.07057 v3 · 2020-06-12 · stat.ML · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AOBDDKQ4BMULLZOILLJPFDXUCJ}

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	2026-07-05T01:46:01.779394Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

038231aa1c0b28b5e5c85ad2f28ef4125e213f47cd370e9023ff6c7ec2906fda

Aliases

arxiv: 2006.07057 · arxiv_version: 2006.07057v3 · doi: 10.48550/arxiv.2006.07057 · pith_short_12: AOBDDKQ4BMUL · pith_short_16: AOBDDKQ4BMULLZOI · pith_short_8: AOBDDKQ4

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/AOBDDKQ4BMULLZOILLJPFDXUCJ \
  | 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: 038231aa1c0b28b5e5c85ad2f28ef4125e213f47cd370e9023ff6c7ec2906fda

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c8e1704b36d877bf697eef7c46e36c145ac362d19a1de4ccf5ec7864797ed1d",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2020-06-12T10:21:40Z",
    "title_canon_sha256": "452719c37c9eec31bb1f696dd829c5a46a10139cb7e7deffb14e6aa0d460a248"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.07057",
    "kind": "arxiv",
    "version": 3
  }
}