Pith Number

pith:VMH72XYU

pith:2019:VMH72XYUXHTMLSDYMN7Y2RO2NS

not attested not anchored not stored refs pending

Hybrid 2D/3D photonic integration for non-planar circuit topologies

Aleksandar Nesic, Andreas Hofmann, Christian Koos, Martin N\"ollenburg, Matthias Blaicher, Matthias Lauermann, Sebastian Randel, Tobias Hoose, Wolfgang Freude, Yasar Kutuvantavida

arxiv:1901.08309 v1 · 2019-01-24 · cs.ET · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VMH72XYUXHTMLSDYMN7Y2RO2NS}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:39:55.224331Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab0ffd5f14b9e6c5c878637f8d45da6c9c591ce11a337a1181ad2cc899432edd

Aliases

arxiv: 1901.08309 · arxiv_version: 1901.08309v1 · doi: 10.48550/arxiv.1901.08309 · pith_short_12: VMH72XYUXHTM · pith_short_16: VMH72XYUXHTMLSDY · pith_short_8: VMH72XYU

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/VMH72XYUXHTMLSDYMN7Y2RO2NS \
  | 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: ab0ffd5f14b9e6c5c878637f8d45da6c9c591ce11a337a1181ad2cc899432edd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55bf793545acc9ebf5edb4ad8bd8cfd106df5d6e7ad3ee036bb408a31ad3edb6",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.ET",
    "submitted_at": "2019-01-24T09:48:48Z",
    "title_canon_sha256": "f2aeda075e47fd839f9e136d0081ad43355b05a363ba29595a3719011016cd43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.08309",
    "kind": "arxiv",
    "version": 1
  }
}