Pith Number

pith:E6NAKXL4

pith:2025:E6NAKXL4BUCL47KANCPH5OYMZF

not attested not anchored not stored refs pending

Analogue Forecast System for Daily Precipitation Prediction Using Autoencoder Feature Extraction: Application in Hong Kong

Ming Chun Lam, Wai Kin Wong, Yee Chun Tsoi, Yu Ting Kwok

arxiv:2501.02814 v1 · 2025-01-06 · physics.ao-ph · 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{E6NAKXL4BUCL47KANCPH5OYMZF}

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	2026-07-05T09:57:12.713891Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

279a055d7c0d04be7d40689e7ebb0cc954754bb21c6adea3a941decb7add8482

Aliases

arxiv: 2501.02814 · arxiv_version: 2501.02814v1 · doi: 10.48550/arxiv.2501.02814 · pith_short_12: E6NAKXL4BUCL · pith_short_16: E6NAKXL4BUCL47KA · pith_short_8: E6NAKXL4

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/E6NAKXL4BUCL47KANCPH5OYMZF \
  | 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: 279a055d7c0d04be7d40689e7ebb0cc954754bb21c6adea3a941decb7add8482

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17bab075af0289f88161677da25497dff5d285f88e7d1db0eef4c5b146cc6c48",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ao-ph",
    "submitted_at": "2025-01-06T07:26:01Z",
    "title_canon_sha256": "eab97815c6ca913b7562303313ed405126513627c33827e5af5c1dca768d6b1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.02814",
    "kind": "arxiv",
    "version": 1
  }
}