Pith Number

pith:STP3YO3F

pith:2025:STP3YO3FIBQ2RQG74KRT7SXBB2

not attested not anchored not stored refs pending

Four-Qubit Variational Algorithms in Silicon Photonics with Integrated Entangled Photon Sources

Alessio Baldazzi, Lorenzo Pavesi, Massimo Borghi, Matteo Sanna, Stefano Azzini

arxiv:2501.01301 v1 · 2025-01-02 · 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{STP3YO3FIBQ2RQG74KRT7SXBB2}

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	2026-07-05T09:56:17.720369Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94dfbc3b654061a8c0dfe2a33fcae10ea8e035ace772c25355dca25b5221199c

Aliases

arxiv: 2501.01301 · arxiv_version: 2501.01301v1 · doi: 10.48550/arxiv.2501.01301 · pith_short_12: STP3YO3FIBQ2 · pith_short_16: STP3YO3FIBQ2RQG7 · pith_short_8: STP3YO3F

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/STP3YO3FIBQ2RQG74KRT7SXBB2 \
  | 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: 94dfbc3b654061a8c0dfe2a33fcae10ea8e035ace772c25355dca25b5221199c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d53eccdc111415b42fa871cbf5cc5574902dcaa088c60541159be2dd6b14842e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-01-02T15:29:47Z",
    "title_canon_sha256": "288a305bab14d51da62ff5a75ff67ed9e3e6c4ba14ef37ca933a367e3029b2e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.01301",
    "kind": "arxiv",
    "version": 1
  }
}