Pith Number

pith:NFUXKVO5

pith:2020:NFUXKVO55SSU5IQDRENXRESXRM

not attested not anchored not stored refs pending

Quantum computation of molecular response properties

Heng Fan, Wei-Hai Fang, Xiaoxia Cai, Zhendong Li

arxiv:2001.03406 v4 · 2020-01-10 · physics.chem-ph · quant-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{NFUXKVO55SSU5IQDRENXRESXRM}

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	2026-07-05T01:31:23.631737Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69697555ddeca54ea203891b7892578b34aa79ac062fb520736b7b9c5fa6c803

Aliases

arxiv: 2001.03406 · arxiv_version: 2001.03406v4 · doi: 10.48550/arxiv.2001.03406 · pith_short_12: NFUXKVO55SSU · pith_short_16: NFUXKVO55SSU5IQD · pith_short_8: NFUXKVO5

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/NFUXKVO55SSU5IQDRENXRESXRM \
  | 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: 69697555ddeca54ea203891b7892578b34aa79ac062fb520736b7b9c5fa6c803

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b32f673b2d3381ef871a054fded8abb7581841fd275bb0f8f2de946b20f8cd3c",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2020-01-10T12:49:20Z",
    "title_canon_sha256": "57f5b894547a34262b16c4baabba011624fa6661b7ac701481b589108e224356"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.03406",
    "kind": "arxiv",
    "version": 4
  }
}