Pith Number

pith:ZY4H6OI3

pith:2022:ZY4H6OI3KD3SRUH7JR3RFHRDHA

not attested not anchored not stored refs pending

Averaging Spatio-temporal Signals using Optimal Transport and Soft Alignments

Alexandre Gramfort, Hicham Janati, Marco Cuturi

arxiv:2203.05813 v2 · 2022-03-11 · 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{ZY4H6OI3KD3SRUH7JR3RFHRDHA}

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	2026-07-05T04:12:53.693159Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce387f391b50f728d0ff4c77129e233818efa0ceff0c97395f5c303d65e750cd

Aliases

arxiv: 2203.05813 · arxiv_version: 2203.05813v2 · doi: 10.48550/arxiv.2203.05813 · pith_short_12: ZY4H6OI3KD3S · pith_short_16: ZY4H6OI3KD3SRUH7 · pith_short_8: ZY4H6OI3

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/ZY4H6OI3KD3SRUH7JR3RFHRDHA \
  | 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: ce387f391b50f728d0ff4c77129e233818efa0ceff0c97395f5c303d65e750cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a41ee39425c6bf7ca913851e2d41be46e1e70b35297985717133d500ca867a9",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2022-03-11T09:46:22Z",
    "title_canon_sha256": "977d37f5594f11a5e0f7ee2d6383871d640592f6a9167499eb31b0b55ff125cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.05813",
    "kind": "arxiv",
    "version": 2
  }
}