Pith Number

pith:TGGAWKZ7

pith:2026:TGGAWKZ7T2OAFVKIUHAPEI7MII

not attested not anchored not stored refs pending

Spherical Harmonic Optimal Transport: Application to Climate Models Comparisons

Iskander Legheraba, L\'eo Buecher, Nicolas Courty, Pierre Hou\'edry

arxiv:2605.18389 v1 · 2026-05-18 · cs.LG · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TGGAWKZ7T2OAFVKIUHAPEI7MII}

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	2026-05-20T00:05:58.393334Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

998c0b2b3f9e9c02d548a1c0f223ec423da794fbbe379a7422d8907333bc0e1d

Aliases

arxiv: 2605.18389 · arxiv_version: 2605.18389v1 · doi: 10.48550/arxiv.2605.18389 · pith_short_12: TGGAWKZ7T2OA · pith_short_16: TGGAWKZ7T2OAFVKI · pith_short_8: TGGAWKZ7

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/TGGAWKZ7T2OAFVKIUHAPEI7MII \
  | 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: 998c0b2b3f9e9c02d548a1c0f223ec423da794fbbe379a7422d8907333bc0e1d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01e133a7ddec0e8a649d5c7e98c12bb347b7ad5c724b8952ee5b6c12467fb5e7",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-18T13:36:19Z",
    "title_canon_sha256": "61e067d8eca56b31751610804850cc3550f93c87f7ec26bb65ada2c1c9052f10"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.18389",
    "kind": "arxiv",
    "version": 1
  }
}