Pith Number

pith:DQBGTHZI

pith:2018:DQBGTHZIWOQ7TPU4UQMWGVXCYZ

not attested not anchored not stored refs pending

Preconditioners for the geometry optimisation and saddle point search of molecular systems

Christoph Ortner, Gabor Csanyi, Letif Mones

arxiv:1804.01590 v1 · 2018-03-08 · 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{DQBGTHZIWOQ7TPU4UQMWGVXCYZ}

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	2026-05-18T00:19:10.804460Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c02699f28b3a1f9be9ca4196356e2c656f6c9c0d3a844a28785429be0b711cf

Aliases

arxiv: 1804.01590 · arxiv_version: 1804.01590v1 · doi: 10.48550/arxiv.1804.01590 · pith_short_12: DQBGTHZIWOQ7 · pith_short_16: DQBGTHZIWOQ7TPU4 · pith_short_8: DQBGTHZI

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/DQBGTHZIWOQ7TPU4UQMWGVXCYZ \
  | 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: 1c02699f28b3a1f9be9ca4196356e2c656f6c9c0d3a844a28785429be0b711cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d2e99cab901e7daed1fdd1de16c818cd278faec8e0c00f8b6556cc14a6a899b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2018-03-08T21:55:38Z",
    "title_canon_sha256": "ea28f7ffbea5ac57b5b64f0babcaac5556f867f1aaa41665b992914110729365"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.01590",
    "kind": "arxiv",
    "version": 1
  }
}