Pith Number

pith:UAU3KZGK

pith:2026:UAU3KZGKRNDECP3RG5QIZFP2RD

not attested not anchored not stored refs pending

Learning to Converge: Warm-Starting DFTB Self-Consistent Charges with Machine Learning

Chiara Panosetti, Karsten Reuter, Maximilian L. Ach

arxiv:2607.09304 v1 · 2026-07-10 · 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{UAU3KZGKRNDECP3RG5QIZFP2RD}

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	2026-07-13T01:19:00.052887Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a029b564ca8b46413f7137608c95fa88c74f6f38ff68942afaa22752acca75ca

Aliases

arxiv: 2607.09304 · arxiv_version: 2607.09304v1 · doi: 10.48550/arxiv.2607.09304 · pith_short_12: UAU3KZGKRNDE · pith_short_16: UAU3KZGKRNDECP3R · pith_short_8: UAU3KZGK

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/UAU3KZGKRNDECP3RG5QIZFP2RD \
  | 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: a029b564ca8b46413f7137608c95fa88c74f6f38ff68942afaa22752acca75ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61fa18b9b4de0ddc9b325156e8480ba5c67a3f202e4be323b92052e2e66a871e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2026-07-10T11:35:13Z",
    "title_canon_sha256": "eae7699d53c0a133deba5ed81731a8faeb35a047cd6eb08e4ead7bda16ef3d9e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.09304",
    "kind": "arxiv",
    "version": 1
  }
}