Pith Number

pith:W4VYQXWZ

pith:2025:W4VYQXWZW6ANZ3NQH46USIF7CW

not attested not anchored not stored refs pending

Dual-Polarization Stacked Intelligent Metasurfaces for Holographic MIMO

Hongtao Luo, Qiang Wang, Qiuyan Liu, Yida Zhang, Yuqi Xia

arxiv:2505.20805 v1 · 2025-05-27 · 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{W4VYQXWZW6ANZ3NQH46USIF7CW}

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	2026-07-05T11:10:19.145363Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b72b885ed9b780dcedb03f3d4920bf15860020b215186c9507a653605c2a4e9b

Aliases

arxiv: 2505.20805 · arxiv_version: 2505.20805v1 · doi: 10.48550/arxiv.2505.20805 · pith_short_12: W4VYQXWZW6AN · pith_short_16: W4VYQXWZW6ANZ3NQ · pith_short_8: W4VYQXWZ

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/W4VYQXWZW6ANZ3NQH46USIF7CW \
  | 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: b72b885ed9b780dcedb03f3d4920bf15860020b215186c9507a653605c2a4e9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5bd133707002fedafaec4cae17407c343b42db4ff7d5b73b95e7c7eaa7439c8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2025-05-27T07:09:13Z",
    "title_canon_sha256": "4e6e843bb2090d6f81d7ae0c4b6139e53bb5970972cdaaf04126b289a58fbb05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.20805",
    "kind": "arxiv",
    "version": 1
  }
}