Pith Number

pith:S2U5MNCM

pith:2018:S2U5MNCM67D4W43SUAXFLHCGCT

not attested not anchored not stored refs pending

Double inverse nanotapers for efficient light coupling to integrated photonic devices

Arslan S. Raja, Clemens Herkommer, Hairun Guo, Junqiu Liu, Martin H. P. Pfeiffer, Michael Geiselmann, Michael Zervas, Tobias J. Kippenberg

arxiv:1803.02662 v1 · 2018-02-23 · physics.app-ph · 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{S2U5MNCM67D4W43SUAXFLHCGCT}

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	2026-05-18T00:11:57.220331Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96a9d6344cf7c7cb7372a02e559c4614cae4b22a8023fa0004647bcbe48992b7

Aliases

arxiv: 1803.02662 · arxiv_version: 1803.02662v1 · doi: 10.48550/arxiv.1803.02662 · pith_short_12: S2U5MNCM67D4 · pith_short_16: S2U5MNCM67D4W43S · pith_short_8: S2U5MNCM

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/S2U5MNCM67D4W43SUAXFLHCGCT \
  | 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: 96a9d6344cf7c7cb7372a02e559c4614cae4b22a8023fa0004647bcbe48992b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b2c01e51f97b44592f5887d1eaf0386c91bc68148a60d660dcc8224a9320cf2",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2018-02-23T19:12:17Z",
    "title_canon_sha256": "e6d8f19167d744b4220c1b605ecf469c5d03f4a081c640c718ebb17c9b580fef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.02662",
    "kind": "arxiv",
    "version": 1
  }
}