Pith Number

pith:Y2F5DYUO

pith:2024:Y2F5DYUOLLPHZZVCWO66KO7Q2S

not attested not anchored not stored refs pending

Hamiltonian learning for 300 trapped ion qubits with long-range couplings

B.-X. Qi, C. Zhang, J. Ye, L. He, L.-M. Duan, L. Zhang, P.-Y. Hou, R. Yao, S.-A. Guo, W.-Q. Lian, Y.-K. Wu, Y.-L. Xu, Y. Wang, Y.-Z. Xu, Z.-C. Zhou

arxiv:2408.03801 v1 · 2024-08-07 · 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{Y2F5DYUOLLPHZZVCWO66KO7Q2S}

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	2026-07-05T11:20:45.753518Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c68bd1e28e5ade7ce6a2b3bde53bf0d49d3cad18317958b95b8209cb01d8cb50

Aliases

arxiv: 2408.03801 · arxiv_version: 2408.03801v1 · doi: 10.48550/arxiv.2408.03801 · pith_short_12: Y2F5DYUOLLPH · pith_short_16: Y2F5DYUOLLPHZZVC · pith_short_8: Y2F5DYUO

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/Y2F5DYUOLLPHZZVCWO66KO7Q2S \
  | 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: c68bd1e28e5ade7ce6a2b3bde53bf0d49d3cad18317958b95b8209cb01d8cb50

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1be82c0c13ec819733af93d854c70f8c91e9bce49e73126259d931b771780d93",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2024-08-07T14:26:09Z",
    "title_canon_sha256": "7f5779255ac89f7468701cb172365df21f81219edfd5d28a0c84651ab7a0e7d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2408.03801",
    "kind": "arxiv",
    "version": 1
  }
}