Pith Number

pith:HYRUMDOS

pith:2026:HYRUMDOS4LMSMUJSWRMWRJR7G3

not attested not anchored not stored refs pending

KFTD: Koopman-Fourier Time-Differentiable Network for Continuous Ocean Spatiotemporal Forecasting

Cong Bai, Hailong Liu, Jinglin Zhang, Qinghui Chen, Zekai Zhang

arxiv:2606.17070 v1 · 2026-06-06 · physics.ao-ph · cs.AI · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HYRUMDOS4LMSMUJSWRMWRJR7G3}

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	2026-06-19T16:10:02.570154Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e23460dd2e2d9265132b45968a63f36d8c065f8be28c311608a8f86fa184485

Aliases

arxiv: 2606.17070 · arxiv_version: 2606.17070v1 · doi: 10.48550/arxiv.2606.17070 · pith_short_12: HYRUMDOS4LMS · pith_short_16: HYRUMDOS4LMSMUJS · pith_short_8: HYRUMDOS

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/HYRUMDOS4LMSMUJSWRMWRJR7G3 \
  | 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: 3e23460dd2e2d9265132b45968a63f36d8c065f8be28c311608a8f86fa184485

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a29cd8dbaec23a28032dee5985572f43e004ed75f062ad4cc313310f1459947e",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.ao-ph",
    "submitted_at": "2026-06-06T03:53:39Z",
    "title_canon_sha256": "245ffdebece8ab9e2b7e738d4672e55c95a9369b32304fb552821bc8c3e5aef6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.17070",
    "kind": "arxiv",
    "version": 1
  }
}