Pith Number

pith:52KT5RCG

pith:2014:52KT5RCGDNGSV6JLJZXLYJ4H7U

not attested not anchored not stored refs pending

An adaptive mass algorithm for Car-Parrinello and Ehrenfest ab initio molecular dynamics

Anders Szepessy, Ashraful Kadir, Mattias Sandberg

arxiv:1409.4992 v1 · 2014-09-17 · physics.chem-ph · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{52KT5RCGDNGSV6JLJZXLYJ4H7U}

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	2026-05-18T02:42:38.122925Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee953ec4461b4d2af92b4e6ebc2787fd1500d923f959f10e27b3e85ac23559bf

Aliases

arxiv: 1409.4992 · arxiv_version: 1409.4992v1 · doi: 10.48550/arxiv.1409.4992 · pith_short_12: 52KT5RCGDNGS · pith_short_16: 52KT5RCGDNGSV6JL · pith_short_8: 52KT5RCG

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/52KT5RCGDNGSV6JLJZXLYJ4H7U \
  | 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: ee953ec4461b4d2af92b4e6ebc2787fd1500d923f959f10e27b3e85ac23559bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60f750d081bf62e9db27a4395e4f824c024b8928326562ffe4ffe3e9caf5e2c2",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2014-09-17T13:39:39Z",
    "title_canon_sha256": "225d732ad3d5806463557df54fd7d4975c1f11c12f5e848053005d95f2e442d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.4992",
    "kind": "arxiv",
    "version": 1
  }
}