Pith Number

pith:253CKCJC

pith:2025:253CKCJCQJIZ3OLI6LOBU3X3UY

not attested not anchored not stored refs pending

WHALES: an optimized retracker for satellite radar altimeter waveforms in sea state applications

Fabrice Ardhuin, Guillaume Dodet, Marcello Passaro, Paolo Cipollini

arxiv:2505.12881 v1 · 2025-05-19 · physics.ao-ph · physics.data-an · 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{253CKCJCQJIZ3OLI6LOBU3X3UY}

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	2026-07-05T11:05:11.128328Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d77625092282519db968f2dc1a6efba61f56ebfcbf9b0c173a0bb2dc2a1d991c

Aliases

arxiv: 2505.12881 · arxiv_version: 2505.12881v1 · doi: 10.48550/arxiv.2505.12881 · pith_short_12: 253CKCJCQJIZ · pith_short_16: 253CKCJCQJIZ3OLI · pith_short_8: 253CKCJC

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/253CKCJCQJIZ3OLI6LOBU3X3UY \
  | 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: d77625092282519db968f2dc1a6efba61f56ebfcbf9b0c173a0bb2dc2a1d991c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c4b589eb562ed2f407a265a4d78f50daaaf2b8cce5c2e0c673809fa8185c5f3",
    "cross_cats_sorted": [
      "physics.data-an",
      "physics.geo-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.ao-ph",
    "submitted_at": "2025-05-19T09:09:39Z",
    "title_canon_sha256": "c6099df5d3a9994b813bd1a255919c319f224b4f9843fa7d98bf8732a246f882"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.12881",
    "kind": "arxiv",
    "version": 1
  }
}