Pith Number

pith:HPFNIJY7

pith:2012:HPFNIJY72LBURD5CYTXEVGMVFE

not attested not anchored not stored refs pending

Hybrid quantum-classical models as constrained quantum systems

M. Radonjic, N. Buric, S. Prvanovic

arxiv:1206.1410 v1 · 2012-06-07 · 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{HPFNIJY72LBURD5CYTXEVGMVFE}

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	2026-05-18T03:54:05.171373Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3bcad4271fd2c3488fa2c4ee4a99952907e43d3b25299bad11068019f937ead1

Aliases

arxiv: 1206.1410 · arxiv_version: 1206.1410v1 · doi: 10.48550/arxiv.1206.1410 · pith_short_12: HPFNIJY72LBU · pith_short_16: HPFNIJY72LBURD5C · pith_short_8: HPFNIJY7

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/HPFNIJY72LBURD5CYTXEVGMVFE \
  | 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: 3bcad4271fd2c3488fa2c4ee4a99952907e43d3b25299bad11068019f937ead1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b229934ddd3933609b380ab167f0645b745e174a50e6e0e024e49afcad719ff3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-06-07T07:22:39Z",
    "title_canon_sha256": "9ba131f3a8a5a29125d9ea271371c500cc58c835ed91cf33a643d141241d617b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.1410",
    "kind": "arxiv",
    "version": 1
  }
}