Pith Number

pith:KWOZLJ2V

pith:2021:KWOZLJ2VM72OTX2IKNGCMDNAFZ

not attested not anchored not stored refs pending

Sea Ice Forecasting using Attention-based Ensemble LSTM

Jianwu Wang, Sahara Ali, Xin Huang, YiYi Huang

arxiv:2108.00853 v2 · 2021-07-27 · 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{KWOZLJ2VM72OTX2IKNGCMDNAFZ}

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	2026-07-05T03:54:58.949502Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

559d95a75567f4e9df48534c260da02e42a461bdfa8d34d046c6fcd9d16cef60

Aliases

arxiv: 2108.00853 · arxiv_version: 2108.00853v2 · doi: 10.48550/arxiv.2108.00853 · pith_short_12: KWOZLJ2VM72O · pith_short_16: KWOZLJ2VM72OTX2I · pith_short_8: KWOZLJ2V

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/KWOZLJ2VM72OTX2IKNGCMDNAFZ \
  | 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: 559d95a75567f4e9df48534c260da02e42a461bdfa8d34d046c6fcd9d16cef60

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3656e57e40aa38089f2a9081bb83468c6be307396e74bce79c3e956d7ba55305",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.ao-ph",
    "submitted_at": "2021-07-27T21:37:29Z",
    "title_canon_sha256": "59a5608babf7ecf3fd3fa414b2385270ede88c9e79767a625b960bedd196ff7d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.00853",
    "kind": "arxiv",
    "version": 2
  }
}