Pith Number

pith:NJJW3ZIJ

pith:2026:NJJW3ZIJ2OSRM5UPLDBFRJ5COF

not attested not anchored not stored refs pending

From Local Training to Large-Scale Mapping: A Comparative Assessment of Machine Learning and Deep Learning for Transferable Satellite-Derived Bathymetry

Hsiao-Jou Hsu, Joachim Moortgat

arxiv:2606.02764 v1 · 2026-06-01 · cs.CV · physics.comp-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{NJJW3ZIJ2OSRM5UPLDBFRJ5COF}

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	2026-06-03T01:05:21.199403Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a536de509d3a516768f58c258a7a271577a3a9072053f8df570af607003aa8a

Aliases

arxiv: 2606.02764 · arxiv_version: 2606.02764v1 · doi: 10.48550/arxiv.2606.02764 · pith_short_12: NJJW3ZIJ2OSR · pith_short_16: NJJW3ZIJ2OSRM5UP · pith_short_8: NJJW3ZIJ

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/NJJW3ZIJ2OSRM5UPLDBFRJ5COF \
  | 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: 6a536de509d3a516768f58c258a7a271577a3a9072053f8df570af607003aa8a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba1f08b29d79d73d3583e9d361d4b878c7fef805a8cfd5e3ebe3cb133e30f551",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-06-01T18:28:18Z",
    "title_canon_sha256": "8fc2b0b517c1a698d98ac3921faef234606f673e718576e41ddb5ebb802f9810"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.02764",
    "kind": "arxiv",
    "version": 1
  }
}