Pith Number

pith:E7CYECPI

pith:2015:E7CYECPI6RY3LJLYI3I63QIHDM

not attested not anchored not stored refs pending

Optimized 3D simulation method for modeling of out-of-plane radiation in silicon photonic integrated circuits

H.P. Urbach, M. Yousefi, W.J. Westerveld

arxiv:1504.02964 v1 · 2015-04-12 · 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{E7CYECPI6RY3LJLYI3I63QIHDM}

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	2026-05-18T02:18:59.532911Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27c58209e8f471b5a57846d1edc1071b12700378a8531bd4bb975279b68d5ef4

Aliases

arxiv: 1504.02964 · arxiv_version: 1504.02964v1 · doi: 10.48550/arxiv.1504.02964 · pith_short_12: E7CYECPI6RY3 · pith_short_16: E7CYECPI6RY3LJLY · pith_short_8: E7CYECPI

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/E7CYECPI6RY3LJLYI3I63QIHDM \
  | 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: 27c58209e8f471b5a57846d1edc1071b12700378a8531bd4bb975279b68d5ef4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac1c8d49d9df49481060e6ba789fd05d2e98e379032d3556b0637dd0580ca7d9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-04-12T12:15:52Z",
    "title_canon_sha256": "f196d8477b9ecf3d698ecc1d3c738e4d1e9e98c99629799451b8ad5385f05541"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.02964",
    "kind": "arxiv",
    "version": 1
  }
}