Pith Number

pith:UXE6JCUO

pith:2019:UXE6JCUO6UGRCZMOYS2Y4LY2SN

not attested not anchored not stored refs pending

Efficient global structure optimization with a machine learned surrogate model

Bj{\o}rk Hammer, Malthe K. Bisbo

arxiv:1907.05741 v1 · 2019-07-12 · physics.chem-ph · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UXE6JCUO6UGRCZMOYS2Y4LY2SN}

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	2026-07-05T00:45:07.161657Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5c9e48a8ef50d11658ec4b58e2f1a93652cb9cf170ab379971304e1738c719c

Aliases

arxiv: 1907.05741 · arxiv_version: 1907.05741v1 · doi: 10.48550/arxiv.1907.05741 · pith_short_12: UXE6JCUO6UGR · pith_short_16: UXE6JCUO6UGRCZMO · pith_short_8: UXE6JCUO

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/UXE6JCUO6UGRCZMOYS2Y4LY2SN \
  | 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: a5c9e48a8ef50d11658ec4b58e2f1a93652cb9cf170ab379971304e1738c719c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2eb60a4d298f3aa1339dbba1a8348cd30702a9c53880f931259a77c4039527e1",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2019-07-12T13:40:58Z",
    "title_canon_sha256": "e07060dcb6a9be24c29f336a55540d14a667871bd88c42fe51fce537a9743011"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.05741",
    "kind": "arxiv",
    "version": 1
  }
}