Pith Number

pith:PNCXTFO6

pith:2025:PNCXTFO6HVC5M3RUFWPWYZT5YX

not attested not anchored not stored refs pending

Navigating Chemical Space: Multi-Level Bayesian Optimization with Hierarchical Coarse-Graining

Luis J. Walter, Tristan Bereau

arxiv:2505.04169 v2 · 2025-05-07 · physics.chem-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PNCXTFO6HVC5M3RUFWPWYZT5YX}

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	2026-07-05T11:37:19.584458Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b457995de3d45d66e342d9f6c667dc5d2217ee9e0095869573306371c1a3720

Aliases

arxiv: 2505.04169 · arxiv_version: 2505.04169v2 · doi: 10.48550/arxiv.2505.04169 · pith_short_12: PNCXTFO6HVC5 · pith_short_16: PNCXTFO6HVC5M3RU · pith_short_8: PNCXTFO6

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/PNCXTFO6HVC5M3RUFWPWYZT5YX \
  | 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: 7b457995de3d45d66e342d9f6c667dc5d2217ee9e0095869573306371c1a3720

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39fe8016dcdf4b5aebc69ca9381671ead4fe6487dee6ea829038e15283a8d951",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2025-05-07T06:45:30Z",
    "title_canon_sha256": "be2fae07b295de75c9b0e1e5973f725aa93fab817f18ccdf987103bee5a94679"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.04169",
    "kind": "arxiv",
    "version": 2
  }
}