Pith Number

pith:PQZ7ILSA

pith:2025:PQZ7ILSAUFQMGQ44QCDJRSWI62

not attested not anchored not stored refs pending

Hardware-In-The-Loop Training of a 4f Optical Correlator with Logarithmic Complexity Reduction for CNNs

Federico Corradi, Lorenzo Pes, Maryam Dehbashizadeh Chehreghan, Rick Luiken, Ripalta Stabile, Sander Stuijk

arxiv:2501.04141 v1 · 2025-01-07 · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PQZ7ILSAUFQMGQ44QCDJRSWI62}

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	2026-07-05T09:58:30.624735Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c33f42e40a160c3439c808698cac8f6bef55dad3d78f33f961cd4fd913f3e7e

Aliases

arxiv: 2501.04141 · arxiv_version: 2501.04141v1 · doi: 10.48550/arxiv.2501.04141 · pith_short_12: PQZ7ILSAUFQM · pith_short_16: PQZ7ILSAUFQMGQ44 · pith_short_8: PQZ7ILSA

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/PQZ7ILSAUFQMGQ44QCDJRSWI62 \
  | 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: 7c33f42e40a160c3439c808698cac8f6bef55dad3d78f33f961cd4fd913f3e7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb7fd443ddfdbf047be2ad210316f58f96d26d864883e2c8bb13989cacdefa54",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2025-01-07T21:09:16Z",
    "title_canon_sha256": "9e59e3236726198b6d5af87281ed097cab754cfd85890156f8bba3257b7cdf4f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.04141",
    "kind": "arxiv",
    "version": 1
  }
}