Pith Number

pith:7LOPJC2B

pith:2017:7LOPJC2BK4ROODEINPZPBN6C2D

not attested not anchored not stored refs pending

Freeform metagratings based on complex light scattering dynamics for extreme, high efficiency beam steering

David Sell, Jianji Yang, Jonathan A. Fan

arxiv:1709.05019 v1 · 2017-09-15 · 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{7LOPJC2BK4ROODEINPZPBN6C2D}

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	2026-05-18T00:32:54.818095Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fadcf48b415722e70c886bf2f0b7c2d0ec0d6702e21aa58f29f4d6d442f85a01

Aliases

arxiv: 1709.05019 · arxiv_version: 1709.05019v1 · doi: 10.48550/arxiv.1709.05019 · pith_short_12: 7LOPJC2BK4RO · pith_short_16: 7LOPJC2BK4ROODEI · pith_short_8: 7LOPJC2B

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/7LOPJC2BK4ROODEINPZPBN6C2D \
  | 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: fadcf48b415722e70c886bf2f0b7c2d0ec0d6702e21aa58f29f4d6d442f85a01

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc66f06159216fafdb25728e4659da659cda94083003100cc8c33ed580b8d48c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2017-09-15T00:50:10Z",
    "title_canon_sha256": "01682ea81a80bd02f6dcd36242f6c42b20d159a5509c5d644013b3b9dc387376"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.05019",
    "kind": "arxiv",
    "version": 1
  }
}