Pith Number

pith:Y4QR43FB

pith:2024:Y4QR43FBYPVIT2MDC7X7ZSEJZ4

not attested not anchored not stored refs pending

Optical activation function using a metamaterial waveguide for an all-optical neural network

Tomohiro Amemiya, Yoshihiro Honda, Yuya Shoji

arxiv:2408.13129 v1 · 2024-08-23 · physics.optics · physics.app-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{Y4QR43FBYPVIT2MDC7X7ZSEJZ4}

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	2026-07-05T08:58:35.760768Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7211e6ca1c3ea89e98317effcc889cf30745e18da72502a51fdc33e53c22947

Aliases

arxiv: 2408.13129 · arxiv_version: 2408.13129v1 · doi: 10.48550/arxiv.2408.13129 · pith_short_12: Y4QR43FBYPVI · pith_short_16: Y4QR43FBYPVIT2MD · pith_short_8: Y4QR43FB

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/Y4QR43FBYPVIT2MDC7X7ZSEJZ4 \
  | 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: c7211e6ca1c3ea89e98317effcc889cf30745e18da72502a51fdc33e53c22947

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09c1155a4974a2870cf99261429248fb7ad26d079abeef6774b290dfc12ce995",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2024-08-23T14:55:39Z",
    "title_canon_sha256": "3d74e5ec94accacd0311ac9df12cd5d1c75efad2f4a879bf8d37b6d7e1eabd1f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2408.13129",
    "kind": "arxiv",
    "version": 1
  }
}