Pith Number

pith:TNLXICCJ

pith:2026:TNLXICCJ6LYEJOESHNUUKO3YB4

not attested not anchored not stored refs pending

High-Beam-Quality Meta-Grating Couplers for Large Collimated Free-Space Beams on Silicon-on-Insulator

Max Schittenhelm, Sebastian H\"afner, Stefanie Kroker, Steffen Sauer

arxiv:2607.01477 v1 · 2026-07-01 · 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{TNLXICCJ6LYEJOESHNUUKO3YB4}

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	2026-07-03T00:17:01.808023Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b57740849f2f044b8923b69453b780f21f1f5d93e29bc17a8748a83e17ae9ae

Aliases

arxiv: 2607.01477 · arxiv_version: 2607.01477v1 · doi: 10.48550/arxiv.2607.01477 · pith_short_12: TNLXICCJ6LYE · pith_short_16: TNLXICCJ6LYEJOES · pith_short_8: TNLXICCJ

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/TNLXICCJ6LYEJOESHNUUKO3YB4 \
  | 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: 9b57740849f2f044b8923b69453b780f21f1f5d93e29bc17a8748a83e17ae9ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6ab80a58f9a757c87fb67b6dc79831ede3af78704ecbf9398f721b13378d4b3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2026-07-01T21:17:54Z",
    "title_canon_sha256": "19bd9d57cd65d33d3acef8238b764a1faa755315fe733fbf8da439378db21fe3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.01477",
    "kind": "arxiv",
    "version": 1
  }
}