Pith Number

pith:D67QGHJF

pith:2021:D67QGHJF7WTL4B3B3VD5WQKXWS

not attested not anchored not stored refs pending

A Differentiable Neural-Network Force Field for Ionic Liquids

Georg K. H. Madsen, Hadri\'an Montes-Campos, Jes\'us Carrete, Luis M. Varela, Sebastian Bichelmaier

arxiv:2106.16220 v2 · 2021-06-30 · 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{D67QGHJF7WTL4B3B3VD5WQKXWS}

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	2026-07-05T03:30:52.816797Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1fbf031d25fda6be0761dd47db4157b48fc1b887ef6601670da3d7189bde36b7

Aliases

arxiv: 2106.16220 · arxiv_version: 2106.16220v2 · doi: 10.48550/arxiv.2106.16220 · pith_short_12: D67QGHJF7WTL · pith_short_16: D67QGHJF7WTL4B3B · pith_short_8: D67QGHJF

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/D67QGHJF7WTL4B3B3VD5WQKXWS \
  | 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: 1fbf031d25fda6be0761dd47db4157b48fc1b887ef6601670da3d7189bde36b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "954139c91dbe9bfb012be65a416375290efb1aa82832965a008cc5d8481930f3",
    "cross_cats_sorted": [
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2021-06-30T17:20:14Z",
    "title_canon_sha256": "4454576d3bb6530b7c16defbc4458d1e70d9b074bb7788f781abc5db4477923b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.16220",
    "kind": "arxiv",
    "version": 2
  }
}