Pith Number

pith:5KVRYSRW

pith:2024:5KVRYSRWNCKQ7E425BJTLFP642

not attested not anchored not stored refs pending

A linear photonic swap test circuit for quantum kernel estimation

Alessio Baldazzi, Lorenzo Pavesi, Matteo Sanna, Nicol\`o Leone, Stefano Azzini

arxiv:2402.17923 v1 · 2024-02-27 · quant-ph · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5KVRYSRWNCKQ7E425BJTLFP642}

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	2026-07-05T07:50:09.802257Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eaab1c4a3668950f939ae8533595fee697d2d81a87584b52bb3603ea9ee14dcc

Aliases

arxiv: 2402.17923 · arxiv_version: 2402.17923v1 · doi: 10.48550/arxiv.2402.17923 · pith_short_12: 5KVRYSRWNCKQ · pith_short_16: 5KVRYSRWNCKQ7E42 · pith_short_8: 5KVRYSRW

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/5KVRYSRWNCKQ7E425BJTLFP642 \
  | 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: eaab1c4a3668950f939ae8533595fee697d2d81a87584b52bb3603ea9ee14dcc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60548a863989dac6e8df7eab7a61b29491580fc2d0dc4cfe703365560aade279",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2024-02-27T22:34:14Z",
    "title_canon_sha256": "9a0c026e0188240d6a35d1d32efb2305994be37acf1eb983fdd0a95271a8a23c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2402.17923",
    "kind": "arxiv",
    "version": 1
  }
}