Pith Number

pith:LU4MW2RA

pith:2020:LU4MW2RAPYINICPAXBY7PBSEUB

not attested not anchored not stored refs pending

A Local Spectral Exterior Calculus for the Sphere and Application to the Shallow Water Equations

Boyko Dodov, Christian Lessig, Clauson Carvalho da Silva, Henk Dijkstra, Themis Sapsis

arxiv:2005.03598 v1 · 2020-05-07 · math.NA · cs.NA · physics.geo-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LU4MW2RAPYINICPAXBY7PBSEUB}

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.

Cited by

1 paper in Pith

TAUDiff: Highly efficient kilometer-scale downscaling using generative diffusion models

Receipt and verification

First computed	2026-07-05T01:01:16.782741Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d38cb6a207e10d409e0b871f78644a0710559acb60e3ca1f001f006e5942eff

Aliases

arxiv: 2005.03598 · arxiv_version: 2005.03598v1 · doi: 10.48550/arxiv.2005.03598 · pith_short_12: LU4MW2RAPYIN · pith_short_16: LU4MW2RAPYINICPA · pith_short_8: LU4MW2RA

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/LU4MW2RAPYINICPAXBY7PBSEUB \
  | 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: 5d38cb6a207e10d409e0b871f78644a0710559acb60e3ca1f001f006e5942eff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bcba2aa9ed750695ac2a7c85e6f7bec2ef3cd5a8dff98e475aa20e0cf7e31704",
    "cross_cats_sorted": [
      "cs.NA",
      "physics.geo-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2020-05-07T16:36:09Z",
    "title_canon_sha256": "6c2fa13c0c70b706bd966142731da84501fd5ea2ab5107f0caf6c82292ae4dd6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.03598",
    "kind": "arxiv",
    "version": 1
  }
}