Pith Number

pith:LA4NDS2X

pith:2026:LA4NDS2XSZDHKZXVE4KRV4TWNN

not attested not anchored not stored refs pending

Rethinking GNNs and Missing Features: Challenges, Evaluation and a Robust Solution

Andrea Passerini, Antonio Longa, Bruno Lepri, Francesco Ferrini, Manfred Jaeger, Matono Akiyoshi, Veronica Lachi, Xin Liu

arxiv:2601.04855 v2 · 2026-01-08 · cs.LG · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LA4NDS2XSZDHKZXVE4KRV4TWNN}

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	2026-05-20T00:04:20.689484Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5838d1cb5796467566f527151af2766b790bd7a405904fa57f50b36adf8caf38

Aliases

arxiv: 2601.04855 · arxiv_version: 2601.04855v2 · doi: 10.48550/arxiv.2601.04855 · pith_short_12: LA4NDS2XSZDH · pith_short_16: LA4NDS2XSZDHKZXV · pith_short_8: LA4NDS2X

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/LA4NDS2XSZDHKZXVE4KRV4TWNN \
  | 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: 5838d1cb5796467566f527151af2766b790bd7a405904fa57f50b36adf8caf38

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d973c1caad1aed1aed7e223312590fb91ff0561450a02dac8f54fa617c90583",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-01-08T11:45:59Z",
    "title_canon_sha256": "3b0e2ea3dff07618eb2c97f676a4968b430bfa5fa9cd3dab4ee626ad48d25603"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.04855",
    "kind": "arxiv",
    "version": 2
  }
}