Pith Number

pith:XWKGO44T

pith:2021:XWKGO44TB5LABPL2JD7A2OKPL2

not attested not anchored not stored refs pending

Bridging observation, theory and numerical simulation of the ocean using Machine Learning

Daniel C. Jones, Julien Brajard, Maike Sonnewald, Peter D. Dueben, Redouane Lguensat, Venkatramani Balaji

arxiv:2104.12506 v2 · 2021-04-26 · physics.ao-ph · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XWKGO44TB5LABPL2JD7A2OKPL2}

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	2026-07-05T04:14:23.982402Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd946773930f5600bd7a48fe0d394f5e9cbd557e0e90d144e7ff58a3ec608899

Aliases

arxiv: 2104.12506 · arxiv_version: 2104.12506v2 · doi: 10.48550/arxiv.2104.12506 · pith_short_12: XWKGO44TB5LA · pith_short_16: XWKGO44TB5LABPL2 · pith_short_8: XWKGO44T

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/XWKGO44TB5LABPL2JD7A2OKPL2 \
  | 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: bd946773930f5600bd7a48fe0d394f5e9cbd557e0e90d144e7ff58a3ec608899

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8da4b42b3fb34b6df4976d70c4539fc15d2f3d5bb5b675a068bfedc4065163a4",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ao-ph",
    "submitted_at": "2021-04-26T12:11:51Z",
    "title_canon_sha256": "d697403e2ed3bc2bfb2443d650a71a8a1255dcb5a63bdc6ad2ca0b973f102c25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.12506",
    "kind": "arxiv",
    "version": 2
  }
}