Pith Number

pith:7UDTARPQ

pith:2023:7UDTARPQKUY3LSLOCWNRTPJSAD

not attested not anchored not stored refs pending

Semi-Empirical Shadow Molecular Dynamics: A PyTorch implementation

Anders M. N. Niklasson, Benjamin Nebgen, Guoqing Zhou, Kipton Barros, Maksim Kulichenko, Nicholas Lubbers, Nikita Fedik, Sergei Tretiak

arxiv:2303.00689 v1 · 2023-03-01 · physics.comp-ph · 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{7UDTARPQKUY3LSLOCWNRTPJSAD}

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	2026-07-05T05:47:11.632765Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd073045f05531b5c96e159b19bd3200c384d0b377b1425cecd2ed3e5da05c3c

Aliases

arxiv: 2303.00689 · arxiv_version: 2303.00689v1 · doi: 10.48550/arxiv.2303.00689 · pith_short_12: 7UDTARPQKUY3 · pith_short_16: 7UDTARPQKUY3LSLO · pith_short_8: 7UDTARPQ

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/7UDTARPQKUY3LSLOCWNRTPJSAD \
  | 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: fd073045f05531b5c96e159b19bd3200c384d0b377b1425cecd2ed3e5da05c3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce37813cabce4240b5bdeedcaa7241cdb9b88bc810d634befbf6e154dcba81cf",
    "cross_cats_sorted": [
      "physics.chem-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2023-03-01T17:37:00Z",
    "title_canon_sha256": "d97e575de07037c6dd784afabe9ba188adab095d8027bffa4b9f742def5e89b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.00689",
    "kind": "arxiv",
    "version": 1
  }
}