Pith Number

pith:PMGQEXAJ

pith:2023:PMGQEXAJGJKVQFPXQ4TO3PLJGC

not attested not anchored not stored refs pending

EspalomaCharge: Machine learning-enabled ultra-fast partial charge assignment

Benjamin Kaminow, Iv\'an Pulido, Jenke Scheen, John D. Chodera, Kenichiro Takaba, Lily Wang, Yuanqing Wang

arxiv:2302.06758 v2 · 2023-02-14 · cs.LG · 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{PMGQEXAJGJKVQFPXQ4TO3PLJGC}

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	2026-07-05T08:16:39.990706Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b0d025c0932555815f78726edbd6930a2db66717e8cbdf471897ac9d40c38f6

Aliases

arxiv: 2302.06758 · arxiv_version: 2302.06758v2 · doi: 10.48550/arxiv.2302.06758 · pith_short_12: PMGQEXAJGJKV · pith_short_16: PMGQEXAJGJKVQFPX · pith_short_8: PMGQEXAJ

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/PMGQEXAJGJKVQFPXQ4TO3PLJGC \
  | 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: 7b0d025c0932555815f78726edbd6930a2db66717e8cbdf471897ac9d40c38f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4e9c728defe7b5844c2eb7dd3c0a821eb377d4661cf7e58fc64c77dbe7ff84c",
    "cross_cats_sorted": [
      "physics.chem-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2023-02-14T00:02:31Z",
    "title_canon_sha256": "e47a339609e6e5afc4de33967c653695efac4def4e64dbde8b03e8320e7ad692"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.06758",
    "kind": "arxiv",
    "version": 2
  }
}