Pith Number

pith:J6JZGOYB

pith:2025:J6JZGOYBW4ZAMGM4W4FN63BKTT

not attested not anchored not stored refs pending

Demystifying MPNNs: Message Passing as Merely Efficient Matrix Multiplication

Chengjia Wang, Michael Lones, Qin Jiang, Wei Pang

arxiv:2502.00140 v1 · 2025-01-31 · cs.LG · cs.AI · cs.NE · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J6JZGOYBW4ZAMGM4W4FN63BKTT}

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	2026-07-05T10:08:03.480465Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f93933b01b73206199cb70adf6c2a9ce3ba1fb5ec0e532f23dedcfe5857b85d

Aliases

arxiv: 2502.00140 · arxiv_version: 2502.00140v1 · doi: 10.48550/arxiv.2502.00140 · pith_short_12: J6JZGOYBW4ZA · pith_short_16: J6JZGOYBW4ZAMGM4 · pith_short_8: J6JZGOYB

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/J6JZGOYBW4ZAMGM4W4FN63BKTT \
  | 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: 4f93933b01b73206199cb70adf6c2a9ce3ba1fb5ec0e532f23dedcfe5857b85d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1cb29fa9bd9bc541b3ee0f895cc2b8a62e2f1f26874252cb5dedf08d63966fa0",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.NE",
      "cs.SI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-01-31T19:48:03Z",
    "title_canon_sha256": "67ea1ef89ba0b56f38c3746c80fa9a06299c4eac4bb1d9330e7261a43c8263e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.00140",
    "kind": "arxiv",
    "version": 1
  }
}