Pith Number

pith:WBDBJLOL

pith:2019:WBDBJLOLZGJQTSN6HMK65RP7R6

not attested not anchored not stored refs pending

Efficient training and design of photonic neural network through neuroevolution

Jian Dai, Jia Wang, Kun Xu, Tian Zhang, Xiaojuan Sun, Xu Han, Yihang Dan, Yuxiang Lanqiu

arxiv:1908.08012 v1 · 2019-08-04 · 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{WBDBJLOLZGJQTSN6HMK65RP7R6}

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	2026-07-05T00:31:55.707424Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b04614adcbc99309c9be3b15eec5ff8fb09f6d7741a49452f081129fb4b09135

Aliases

arxiv: 1908.08012 · arxiv_version: 1908.08012v1 · doi: 10.48550/arxiv.1908.08012 · pith_short_12: WBDBJLOLZGJQ · pith_short_16: WBDBJLOLZGJQTSN6 · pith_short_8: WBDBJLOL

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/WBDBJLOLZGJQTSN6HMK65RP7R6 \
  | 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: b04614adcbc99309c9be3b15eec5ff8fb09f6d7741a49452f081129fb4b09135

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e041984f77a42d36c7b162bf4be936be2664761dbe8b6cabdac4d691f79d3d2d",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2019-08-04T14:45:07Z",
    "title_canon_sha256": "d5b35f101ed397f536eba636f98a834138fe557c203fc3e5717f1823fd891c83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.08012",
    "kind": "arxiv",
    "version": 1
  }
}