Pith Number

pith:WQRLTGSJ

pith:2018:WQRLTGSJD7CZE5C6O2TG2RZE4V

not attested not anchored not stored refs pending

Nanophotonic Media for Artificial Neural Inference

Ang Chen, Dianjing Liu, Erfan Khoram, Lei Ying, Ming Yuan, Qiqi Wang, Zongfu Yu

arxiv:1810.07815 v4 · 2018-10-17 · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WQRLTGSJD7CZE5C6O2TG2RZE4V}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:43:50.677807Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b422b99a491fc592745e76a66d4724e5455ee73ef9dae189b1e788245697f3a0

Aliases

arxiv: 1810.07815 · arxiv_version: 1810.07815v4 · doi: 10.48550/arxiv.1810.07815 · pith_short_12: WQRLTGSJD7CZ · pith_short_16: WQRLTGSJD7CZE5C6 · pith_short_8: WQRLTGSJ

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/WQRLTGSJD7CZE5C6O2TG2RZE4V \
  | 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: b422b99a491fc592745e76a66d4724e5455ee73ef9dae189b1e788245697f3a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1cfe057deec3fe42c7f25eca319b109cb03f92bb41ae8d26870cd3b783954c88",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2018-10-17T21:51:50Z",
    "title_canon_sha256": "332d80c00a0fb5f7a01b5e59a3da70fa139e31f269ec0bb774fa7f79f8a1f2aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.07815",
    "kind": "arxiv",
    "version": 4
  }
}