Pith Number

pith:X75KBF4J

pith:2026:X75KBF4JCJIVFTUA3BZ3LH6PHM

not attested not anchored not stored refs pending

Fixed Aggregation Features Can Rival GNNs

Celia Rubio-Madrigal, Rebekka Burkholz

arxiv:2601.19449 v2 · 2026-01-27 · 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{X75KBF4JCJIVFTUA3BZ3LH6PHM}

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	2026-06-04T01:08:40.504975Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bffaa09789125152ce80d873b59fcf3b24c70909093710934e224a5a397e1f10

Aliases

arxiv: 2601.19449 · arxiv_version: 2601.19449v2 · doi: 10.48550/arxiv.2601.19449 · pith_short_12: X75KBF4JCJIV · pith_short_16: X75KBF4JCJIVFTUA · pith_short_8: X75KBF4J

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/X75KBF4JCJIVFTUA3BZ3LH6PHM \
  | 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: bffaa09789125152ce80d873b59fcf3b24c70909093710934e224a5a397e1f10

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3ea99dfe203724f95163737fa6eca196f4ae02a9a94f94963796c082eb24cb7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-01-27T10:36:31Z",
    "title_canon_sha256": "00d801006a0c1c5f900374138fe30a9eed1e65b0c47f867046ef636db0b23f69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.19449",
    "kind": "arxiv",
    "version": 2
  }
}