Pith Number

pith:CR6K2MPW

pith:2021:CR6K2MPWF6Z3RQ6Y3NLP6QHUNU

not attested not anchored not stored refs pending

Performance Analysis of CP2K Code for Ab Initio Molecular Dynamics

Dewi Yokelson, Nikolay V. Tkachenko, Pavel A. Dub, Robert Robey, Ying Wai Li

arxiv:2109.04536 v1 · 2021-09-09 · cs.PF · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CR6K2MPWF6Z3RQ6Y3NLP6QHUNU}

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	2026-07-05T03:13:06.823392Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

147cad31f62fb3b8c3d8db56ff40f46d0a48d5c8944749a86792c51973ac967b

Aliases

arxiv: 2109.04536 · arxiv_version: 2109.04536v1 · doi: 10.48550/arxiv.2109.04536 · pith_short_12: CR6K2MPWF6Z3 · pith_short_16: CR6K2MPWF6Z3RQ6Y · pith_short_8: CR6K2MPW

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/CR6K2MPWF6Z3RQ6Y3NLP6QHUNU \
  | 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: 147cad31f62fb3b8c3d8db56ff40f46d0a48d5c8944749a86792c51973ac967b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb64d0c4b4b1b37ee2546eacdead1f66ae59b10fd134fb8ee9471d6b72b4b26b",
    "cross_cats_sorted": [
      "cs.DC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PF",
    "submitted_at": "2021-09-09T19:58:40Z",
    "title_canon_sha256": "d67375833990f5f56ceac0683a36ce37e59ecf45f4d79530e8479718a9c2b462"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.04536",
    "kind": "arxiv",
    "version": 1
  }
}