Pith Number

pith:OHNAAYKB

pith:2026:OHNAAYKBRR5W4KY6OKGOB7YKNO

not attested not anchored not stored refs pending

Zero-change foundry compatible silicon photonics MEMS optical switch

Arkadev Roy, Daniel Klawson, Jianheng Luo, Ming Wu, Sirui Tang, Yiyang Zhi

arxiv:2608.03146 v1 · 2026-08-04 · 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{OHNAAYKBRR5W4KY6OKGOB7YKNO}

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	2026-08-05T00:45:56.343866Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

71da0061418c7b6e2b1e728ce0ff0a6b9e237006ece6e22df8195a1c2fd29d9a

Aliases

arxiv: 2608.03146 · arxiv_version: 2608.03146v1 · doi: 10.48550/arxiv.2608.03146 · pith_short_12: OHNAAYKBRR5W · pith_short_16: OHNAAYKBRR5W4KY6 · pith_short_8: OHNAAYKB

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/OHNAAYKBRR5W4KY6OKGOB7YKNO \
  | 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: 71da0061418c7b6e2b1e728ce0ff0a6b9e237006ece6e22df8195a1c2fd29d9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69e68f4dbb384e2545d45f763d093310d7504527ad5b905ba68872a1fb5104f0",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2026-08-04T05:23:12Z",
    "title_canon_sha256": "e4c3589acf778302c3575a3c49173283ba508d95d8ab82d5577e4c2832503454"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.03146",
    "kind": "arxiv",
    "version": 1
  }
}