Pith Number

pith:RPWCU4TY

pith:2025:RPWCU4TYCNSWPCUMQD4JJPZCMG

not attested not anchored not stored refs pending

Stacked Intelligent Metasurface-Enhanced Wideband Multiuser MIMO OFDM-IM Communications

Chau Yuen, Jiancheng An, Zheao Li

arxiv:2509.22327 v3 · 2025-09-26 · 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{RPWCU4TYCNSWPCUMQD4JJPZCMG}

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	2026-07-24T00:23:04.911882Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8bec2a72781365678a8c80f894bf226189d6141fa8dfbc01f39ebc513c1b266e

Aliases

arxiv: 2509.22327 · arxiv_version: 2509.22327v3 · doi: 10.48550/arxiv.2509.22327 · pith_short_12: RPWCU4TYCNSW · pith_short_16: RPWCU4TYCNSWPCUM · pith_short_8: RPWCU4TY

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/RPWCU4TYCNSWPCUMQD4JJPZCMG \
  | 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: 8bec2a72781365678a8c80f894bf226189d6141fa8dfbc01f39ebc513c1b266e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15d7b24eaa4d83a174fe6b69ecc7f69c45681f82b1d1655fb214d32b5dd63b40",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2025-09-26T13:23:16Z",
    "title_canon_sha256": "538a761af2591674f9b2ea0c9cdb7b33a216ce93ab820ff085f481592f837b76"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.22327",
    "kind": "arxiv",
    "version": 3
  }
}