Pith Number

pith:5FAYLCX5

pith:2021:5FAYLCX5FQNF5VTDM52JWNCHIE

not attested not anchored not stored refs pending

Inverse-Designed Photonic Crystal Circuits for Optical Beam Steering

Dries Vercruysse, Jelena Vu\v{c}kovi\'c, Ki Youl Yang, Neil V. Sapra

arxiv:2102.00681 v2 · 2021-02-01 · 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{5FAYLCX5FQNF5VTDM52JWNCHIE}

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	2026-07-05T02:58:39.078649Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e941858afd2c1a5ed66367749b3447412f2265a308ebcba57d7e214927872026

Aliases

arxiv: 2102.00681 · arxiv_version: 2102.00681v2 · doi: 10.48550/arxiv.2102.00681 · pith_short_12: 5FAYLCX5FQNF · pith_short_16: 5FAYLCX5FQNF5VTD · pith_short_8: 5FAYLCX5

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/5FAYLCX5FQNF5VTDM52JWNCHIE \
  | 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: e941858afd2c1a5ed66367749b3447412f2265a308ebcba57d7e214927872026

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d7f93f3b6a6bab229e577ead39a8a0db26b511508e99b1bfa55bdf467e8097b",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2021-02-01T07:48:04Z",
    "title_canon_sha256": "cb2987c4d127436613995c52ad1db5a9aa5b2904003b2b0f4e6157c8aae2324d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.00681",
    "kind": "arxiv",
    "version": 2
  }
}