Pith Number

pith:TT5HP4P2

pith:2026:TT5HP4P2NZYFFYV4FS4LYEVVJP

not attested not anchored not stored refs pending

Multi-level Self-supervised Pretraining on Compositional Hierarchical Graph for Molecular Property Prediction

Hou-Biao Li, Xiayu Liu, Zhengyi Lu

arxiv:2605.16088 v1 · 2026-05-15 · 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{TT5HP4P2NZYFFYV4FS4LYEVVJP}

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	2026-05-20T00:01:52.128236Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9cfa77f1fa6e7052e2bc2cb8bc12b54bd8d59188a0493ae1a6c02159b7d9b3be

Aliases

arxiv: 2605.16088 · arxiv_version: 2605.16088v1 · doi: 10.48550/arxiv.2605.16088 · pith_short_12: TT5HP4P2NZYF · pith_short_16: TT5HP4P2NZYFFYV4 · pith_short_8: TT5HP4P2

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/TT5HP4P2NZYFFYV4FS4LYEVVJP \
  | 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: 9cfa77f1fa6e7052e2bc2cb8bc12b54bd8d59188a0493ae1a6c02159b7d9b3be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33207c72977ae4c8c4be7c5a8813befc56e0c5d1c58301e0ac4d4cd7643eaf49",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-15T15:47:11Z",
    "title_canon_sha256": "5ff634f42efc60a3a4cd2c929ee384b99aa7f47e5bab7662dc3fe24d4da1dbb6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.16088",
    "kind": "arxiv",
    "version": 1
  }
}