Pith Number

pith:JV7TJ4HU

pith:2025:JV7TJ4HULWCZB3UVACXZDH5PYJ

not attested not anchored not stored refs pending

Semi-discrete optimal transport techniques for the compressible semi-geostrophic equations

Beatrice Pelloni, Charlie P. Egan, David P. Bourne, Th\'eo Lavier

arxiv:2504.20807 v2 · 2025-04-29 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JV7TJ4HULWCZB3UVACXZDH5PYJ}

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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.

Cited by

1 paper in Pith

Entropic approximations of the semigeostrophic shallow water equations

Receipt and verification

First computed	2026-06-19T16:09:48.989657Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d7f34f0f45d8590ee9500af919fafc271cb174da02b13e34735026412e69f1c

Aliases

arxiv: 2504.20807 · arxiv_version: 2504.20807v2 · doi: 10.48550/arxiv.2504.20807 · pith_short_12: JV7TJ4HULWCZ · pith_short_16: JV7TJ4HULWCZB3UV · pith_short_8: JV7TJ4HU

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/JV7TJ4HULWCZB3UVACXZDH5PYJ \
  | 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: 4d7f34f0f45d8590ee9500af919fafc271cb174da02b13e34735026412e69f1c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "326b5197a6dfbc0d85729697685857cf20d63ff7b0372229e7f7b600eb88276b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2025-04-29T14:21:04Z",
    "title_canon_sha256": "85745b988727407d3425c17788c854615ec945241c11af6fd9b9025c58927622"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.20807",
    "kind": "arxiv",
    "version": 2
  }
}