Pith Number

pith:TYAMSUW4

pith:2026:TYAMSUW4TO7IZYRWND56NVGR52

not attested not anchored not stored refs pending

Pointwise is Pointless? A Multimodal Ablation Study for Precipitation Nowcasting with Graph Neural Networks

Christoffer Artturi, Ivar Seierstad, M\'at\'e Mile, Oph\'elia Miralles, Thomas Nipen

arxiv:2606.18436 v2 · 2026-06-16 · stat.ML · 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{TYAMSUW4TO7IZYRWND56NVGR52}

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	2026-06-19T16:12:58.251193Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e00c952dc9bbe8ce23668fbe6d4d1eeaacdcfd308fc8ade5f558d8a02dc223b

Aliases

arxiv: 2606.18436 · arxiv_version: 2606.18436v2 · doi: 10.48550/arxiv.2606.18436 · pith_short_12: TYAMSUW4TO7I · pith_short_16: TYAMSUW4TO7IZYRW · pith_short_8: TYAMSUW4

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/TYAMSUW4TO7IZYRWND56NVGR52 \
  | 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: 9e00c952dc9bbe8ce23668fbe6d4d1eeaacdcfd308fc8ade5f558d8a02dc223b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52d02882895365687bc975fffe7d02a106c86cf9669c739a5f01260696a4e14c",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2026-06-16T19:35:49Z",
    "title_canon_sha256": "98518804f7e975801916fafff04b2d5b837659712a5b6e5c2fc68a6171a81cf6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.18436",
    "kind": "arxiv",
    "version": 2
  }
}