Pith Number

pith:RQIBJTPA

pith:2012:RQIBJTPASYZLZXYQJACYPKT6DX

not attested not anchored not stored refs pending

Optimizing qubit Hamiltonian parameter estimation algorithms using PSO

Alexandr Sergeevich, Stephen D. Bartlett

arxiv:1206.3830 v1 · 2012-06-18 · 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{RQIBJTPASYZLZXYQJACYPKT6DX}

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	2026-05-18T03:43:07.094308Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c1014cde09632bcdf10480587aa7e1dc9b4ab403879cab5f1373393ddc87e6a

Aliases

arxiv: 1206.3830 · arxiv_version: 1206.3830v1 · doi: 10.48550/arxiv.1206.3830 · pith_short_12: RQIBJTPASYZL · pith_short_16: RQIBJTPASYZLZXYQ · pith_short_8: RQIBJTPA

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/RQIBJTPASYZLZXYQJACYPKT6DX \
  | 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: 8c1014cde09632bcdf10480587aa7e1dc9b4ab403879cab5f1373393ddc87e6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9210b940209168571bed74e05eb2ccc8f524bfea2fd08abc3bdb545a19e16479",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-06-18T05:38:02Z",
    "title_canon_sha256": "f16117df4e789e3799a9a889a2dc6aeae27be472b144e8d5fd94f8af6e7ee32f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.3830",
    "kind": "arxiv",
    "version": 1
  }
}