Pith Number

pith:WRJDX23U

pith:2026:WRJDX23UDVH4TVVMYM7WGEGNXO

not attested not anchored not stored refs pending

Constrained Optimization Algorithms for Orbital Optimization in Quantum Chemistry

Bing Gu, Junzhe Zhang, Shuoyi Hu

arxiv:2606.17761 v1 · 2026-06-16 · 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{WRJDX23UDVH4TVVMYM7WGEGNXO}

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	2026-06-19T16:10:21.137650Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4523beb741d4fc9d6acc33f6310cdbb8cd4a7ef8f0b0c7ffff164cd88455f32

Aliases

arxiv: 2606.17761 · arxiv_version: 2606.17761v1 · doi: 10.48550/arxiv.2606.17761 · pith_short_12: WRJDX23UDVH4 · pith_short_16: WRJDX23UDVH4TVVM · pith_short_8: WRJDX23U

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/WRJDX23UDVH4TVVMYM7WGEGNXO \
  | 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: b4523beb741d4fc9d6acc33f6310cdbb8cd4a7ef8f0b0c7ffff164cd88455f32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "608e451a1e4d93e12a7a6a9f586edd05acb9d24f6170b4dacfe1020debe1bd97",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2026-06-16T10:25:32Z",
    "title_canon_sha256": "1d38bea5d971fd8e4be42551252d7245ce461a47575c4157b9c1f738cd82fd22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.17761",
    "kind": "arxiv",
    "version": 1
  }
}