Pith Number

pith:FT74EPON

pith:2025:FT74EPONKYW5TYY5XLWHJ5UWNV

not attested not anchored not stored refs pending

Learning-based Multiuser Beamforming for Holographic MIMO~Systems

Shengqian Han, Shiyong Chen

arxiv:2504.19522 v4 · 2025-04-28 · 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{FT74EPONKYW5TYY5XLWHJ5UWNV}

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	2026-07-14T02:21:17.136109Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2cffc23dcd562dd9e31dbaec74f6966d6a899a6ca71cb5cf561d7a24606f88c7

Aliases

arxiv: 2504.19522 · arxiv_version: 2504.19522v4 · doi: 10.48550/arxiv.2504.19522 · pith_short_12: FT74EPONKYW5 · pith_short_16: FT74EPONKYW5TYY5 · pith_short_8: FT74EPON

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/FT74EPONKYW5TYY5XLWHJ5UWNV \
  | 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: 2cffc23dcd562dd9e31dbaec74f6966d6a899a6ca71cb5cf561d7a24606f88c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d885be2d0c95a0be60c2ce6c26ecef5381727630e45a670521ca86d13ea2faf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2025-04-28T06:40:41Z",
    "title_canon_sha256": "f8b4eb32229741c33a37cdf50efc1e08a4255e003cf17e4b122546c0f0ba7d6d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.19522",
    "kind": "arxiv",
    "version": 4
  }
}