Pith Number

pith:5JCZDKED

pith:2026:5JCZDKED7KU64VNXH5ZLSWMWND

not attested not anchored not stored refs pending

An LLM-Orchestrated Agent for Directional-Coupler Design with Self-Consistent Eigenmode and FDTD Validation

Amrit De, Md Tauhidul Islam, Saumya Biswas

arxiv:2606.22493 v1 · 2026-06-21 · physics.optics · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5JCZDKED7KU64VNXH5ZLSWMWND}

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	2026-06-23T02:13:40.062635Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea4591a883faa9ee55b73f72b9599668e985a2311f65491cfa04dc56254a672f

Aliases

arxiv: 2606.22493 · arxiv_version: 2606.22493v1 · doi: 10.48550/arxiv.2606.22493 · pith_short_12: 5JCZDKED7KU6 · pith_short_16: 5JCZDKED7KU64VNX · pith_short_8: 5JCZDKED

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/5JCZDKED7KU64VNXH5ZLSWMWND \
  | 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: ea4591a883faa9ee55b73f72b9599668e985a2311f65491cfa04dc56254a672f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7fcd74763f0ddc539bfae528d11abeba1315232846f8bc2f2e6126b58d60e349",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2026-06-21T13:29:52Z",
    "title_canon_sha256": "5c583e685e4fa5f4bb5bbf3813d7871bcb2ec16fabe4b613b5a1e3fc32012578"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.22493",
    "kind": "arxiv",
    "version": 1
  }
}