Pith Number

pith:BL3ZPXO6

pith:2022:BL3ZPXO6NQF5T7T2AVBR2EV7L4

not attested not anchored not stored refs pending

All-optical graph representation learning using integrated diffractive photonic computing units

Hongkai Xiong, Qionghai Dai, Rui Yang, Tao Yan, Xing Lin, Ziyang Zheng

arxiv:2204.10978 v1 · 2022-04-23 · cs.ET · cs.LG · cs.NE · 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{BL3ZPXO6NQF5T7T2AVBR2EV7L4}

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	2026-07-05T04:17:23.145882Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0af797ddde6c0bd9fe7a05431d12bf5f10a64ddca7e4534ef99b7782eb4bc2a7

Aliases

arxiv: 2204.10978 · arxiv_version: 2204.10978v1 · doi: 10.48550/arxiv.2204.10978 · pith_short_12: BL3ZPXO6NQF5 · pith_short_16: BL3ZPXO6NQF5T7T2 · pith_short_8: BL3ZPXO6

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/BL3ZPXO6NQF5T7T2AVBR2EV7L4 \
  | 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: 0af797ddde6c0bd9fe7a05431d12bf5f10a64ddca7e4534ef99b7782eb4bc2a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69582404baf9812e89ff01ff887c3e480635af55db2a348076f3d8db0d49adcf",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NE",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.ET",
    "submitted_at": "2022-04-23T02:29:48Z",
    "title_canon_sha256": "c8accc5c36299d89a9516e2797b8ea6f28fb47751bad0cea169f109897da29cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.10978",
    "kind": "arxiv",
    "version": 1
  }
}