Pith Number

pith:U7NZUDTB

pith:2023:U7NZUDTB2MLJFZBXFGG6NE3IJJ

not attested not anchored not stored refs pending

Towards fully integrated photonic backpropagation training and inference using on-chip nonlinear activation and gradient functions

Farshid Ashtiani, Mohamad Hossein Idjadi

arxiv:2307.10179 v1 · 2023-06-16 · cs.ET · 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{U7NZUDTB2MLJFZBXFGG6NE3IJJ}

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	2026-07-05T06:32:54.433427Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7db9a0e61d31692e437298de693684a51843d1e437f64f7f1762a052bbd2da1

Aliases

arxiv: 2307.10179 · arxiv_version: 2307.10179v1 · doi: 10.48550/arxiv.2307.10179 · pith_short_12: U7NZUDTB2MLJ · pith_short_16: U7NZUDTB2MLJFZBX · pith_short_8: U7NZUDTB

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/U7NZUDTB2MLJFZBXFGG6NE3IJJ \
  | 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: a7db9a0e61d31692e437298de693684a51843d1e437f64f7f1762a052bbd2da1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5bf8992e0e447ea9cdc050edd179b310ea37cc4169106a6637bc58d394974fe5",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.ET",
    "submitted_at": "2023-06-16T20:05:27Z",
    "title_canon_sha256": "ffd7c7e4f10ba3c8de7b09581c56a90cb55bb99b2deb0180e3c1e328af5aa672"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.10179",
    "kind": "arxiv",
    "version": 1
  }
}