Pith Number

pith:3EZH7CWB

pith:2021:3EZH7CWBRMGDEN7Q4KA4R7I4RK

not attested not anchored not stored refs pending

A Variational U-Net for Weather Forecasting

Pak Hay Kwok, Qi Qi

arxiv:2111.03476 v1 · 2021-11-05 · 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{3EZH7CWBRMGDEN7Q4KA4R7I4RK}

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	2026-07-05T03:29:24.805570Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9327f8ac18b0c3237f0e281c8fd1c8aa711d66a866d6dd96d5c0af09b917fe2

Aliases

arxiv: 2111.03476 · arxiv_version: 2111.03476v1 · doi: 10.48550/arxiv.2111.03476 · pith_short_12: 3EZH7CWBRMGD · pith_short_16: 3EZH7CWBRMGDEN7Q · pith_short_8: 3EZH7CWB

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/3EZH7CWBRMGDEN7Q4KA4R7I4RK \
  | 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: d9327f8ac18b0c3237f0e281c8fd1c8aa711d66a866d6dd96d5c0af09b917fe2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7137568f3086ac3da1d54802c5239542ed938a1e2c598b1e5230d1af05abaaa",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-11-05T12:52:15Z",
    "title_canon_sha256": "1d1f80aa4cb60012280bf61733e52fde30d93ce040990a35d1f14a309e1829a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.03476",
    "kind": "arxiv",
    "version": 1
  }
}