Pith Number

pith:OJKBF3GZ

pith:2025:OJKBF3GZHF7KLRNYNLWYGICHDH

not attested not anchored not stored refs pending

A low-loss, 24-mode laser-written universal photonic processor in a glass-based platform

Alessandro Rudi, Andrea Barzaghi, Andrea Rocchetto, Ciro Pentangelo, Francesco Ceccarelli, Francesco Malaspina, Giacomo Corrielli, Jakub Kaczorowski, Ma\"elle B\'en\'efice, Marco Gardina, Roberto Osellame, Valerio Galli, Vittorio Grimaldi

arxiv:2505.01609 v2 · 2025-05-02 · quant-ph · physics.app-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{OJKBF3GZHF7KLRNYNLWYGICHDH}

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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.

Cited by

2 papers in Pith

Perturbative photonic matrix-vector multiplication with reduced phase-shift range

Resource-efficient universal photonic processor based on time-multiplexed hybrid architectures

Receipt and verification

First computed	2026-07-05T11:45:34.617181Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

725412ecd9397ea5c5b86aed83204719ea5213351c93112382d02d548679519b

Aliases

arxiv: 2505.01609 · arxiv_version: 2505.01609v2 · doi: 10.48550/arxiv.2505.01609 · pith_short_12: OJKBF3GZHF7K · pith_short_16: OJKBF3GZHF7KLRNY · pith_short_8: OJKBF3GZ

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/OJKBF3GZHF7KLRNYNLWYGICHDH \
  | 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: 725412ecd9397ea5c5b86aed83204719ea5213351c93112382d02d548679519b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3484c08344438fda4acdbc1843415bc54dce372614ad1e7dcd60dd010e6f7a3b",
    "cross_cats_sorted": [
      "physics.app-ph",
      "physics.optics"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-05-02T22:20:12Z",
    "title_canon_sha256": "32cfc0d79dc40965e47218a56638cb5f0436f8d68d0692c141b55e4ee7e471b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.01609",
    "kind": "arxiv",
    "version": 2
  }
}