Pith Number

pith:LZW2O4PK

pith:2026:LZW2O4PKOLJXX3RG6RMRSSMDCT

not attested not anchored not stored refs pending

Stacked Intelligent Metasurfaces (SIM) in the Nonlinear Regime: A Multiport Network Model Approach

Alberto Toccafondi, Andrea Abrardo

arxiv:2605.23713 v1 · 2026-05-22 · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LZW2O4PKOLJXX3RG6RMRSSMDCT}

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	2026-05-25T02:02:27.928923Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e6da771ea72d37bee26f45919498314cf7094e1babd231f457e82b925cc0784

Aliases

arxiv: 2605.23713 · arxiv_version: 2605.23713v1 · doi: 10.48550/arxiv.2605.23713 · pith_short_12: LZW2O4PKOLJX · pith_short_16: LZW2O4PKOLJXX3RG · pith_short_8: LZW2O4PK

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/LZW2O4PKOLJXX3RG6RMRSSMDCT \
  | 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: 5e6da771ea72d37bee26f45919498314cf7094e1babd231f457e82b925cc0784

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "561735ede7192c0f95a10a20e3b9b7cace782f81bd5a59afff699fb86a999b5e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2026-05-22T14:56:07Z",
    "title_canon_sha256": "01c0403fc8296b7b072508df2abd9fddc71a728adfc4ce8f52375e3b89930e7d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.23713",
    "kind": "arxiv",
    "version": 1
  }
}