Pith Number

pith:IFU4GP7C

pith:2022:IFU4GP7CFSQZ57YXERVVYOURIJ

not attested not anchored not stored refs pending

All-optical ultrafast ReLU function for energy-efficient nanophotonic deep learning

Alireza Marandi, Gordon H.Y. Li, Luis Ledezma, Qiushi Guo, Rajveer Nehra, Robert M. Gray, Ryoto Sekine

arxiv:2201.03787 v1 · 2022-01-11 · physics.optics · cs.ET

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IFU4GP7CFSQZ57YXERVVYOURIJ}

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	2026-07-05T03:47:33.434599Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4169c33fe22ca19eff17246b5c3a914250e309149c6232040431d008875c28e1

Aliases

arxiv: 2201.03787 · arxiv_version: 2201.03787v1 · doi: 10.48550/arxiv.2201.03787 · pith_short_12: IFU4GP7CFSQZ · pith_short_16: IFU4GP7CFSQZ57YX · pith_short_8: IFU4GP7C

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/IFU4GP7CFSQZ57YXERVVYOURIJ \
  | 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: 4169c33fe22ca19eff17246b5c3a914250e309149c6232040431d008875c28e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b508a986b2772f0cd1d48989c80b8799f8f3d6d159e53ca2292e65b5fb7d912c",
    "cross_cats_sorted": [
      "cs.ET"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2022-01-11T05:18:16Z",
    "title_canon_sha256": "c9b580338d1f6c7c0726a4637ef716939ed54ea7f7345bad3998d88260e0476e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.03787",
    "kind": "arxiv",
    "version": 1
  }
}