Pith Number

pith:4Z7EAX2N

pith:2018:4Z7EAX2NKZPUYGSPO2M5RSAH3B

not attested not anchored not stored refs pending

A 1.6:1 Bandwidth Two-Layer Antireflection Structure for Silicon Matched to the 190-310 GHz Atmospheric Window

Cecile Jung-Kubiak, Clare deYoung, Fabien Defrance, Goutam Chattopadhyay, Hiroshige Yoshida, Jack Sayers, Jake Connors, Matthew I. Hollister, Simon J. E. Radford, Sunil R. Golwala

arxiv:1803.05168 v2 · 2018-03-14 · astro-ph.IM

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

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	2026-05-18T00:13:04.423727Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e67e405f4d565f4c1a4f7699d8c807d87a7b305f3393c4f745030f41dcc2e5a4

Aliases

arxiv: 1803.05168 · arxiv_version: 1803.05168v2 · doi: 10.48550/arxiv.1803.05168 · pith_short_12: 4Z7EAX2NKZPU · pith_short_16: 4Z7EAX2NKZPUYGSP · pith_short_8: 4Z7EAX2N

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/4Z7EAX2NKZPUYGSPO2M5RSAH3B \
  | 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: e67e405f4d565f4c1a4f7699d8c807d87a7b305f3393c4f745030f41dcc2e5a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f99775db667cacb3541ae280e0d901027b7cb6f8f64a61b39f99a7f8b5aba969",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-03-14T09:06:30Z",
    "title_canon_sha256": "12b09f30b5101c74b8c1c29e3c748a98e344acb712e9a59ca1b6190282ec5f31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.05168",
    "kind": "arxiv",
    "version": 2
  }
}