Pith Number

pith:L4MR7LGV

pith:2025:L4MR7LGVCFHVXMYDPRFXNNVMKB

not attested not anchored not stored refs pending

Electromagnetic Channel Statistics for Continuous-Aperture Array (CAPA) Systems

Boqun Zhao, Chongjun Ouyang, Xingqi Zhang, Yuanwei Liu

arxiv:2502.06980 v2 · 2025-02-10 · 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{L4MR7LGVCFHVXMYDPRFXNNVMKB}

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	2026-07-05T10:17:16.416505Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f191facd5114f5bb3037c4b76b6ac50673e01353602aaff892344f304d2a96a

Aliases

arxiv: 2502.06980 · arxiv_version: 2502.06980v2 · doi: 10.48550/arxiv.2502.06980 · pith_short_12: L4MR7LGVCFHV · pith_short_16: L4MR7LGVCFHVXMYD · pith_short_8: L4MR7LGV

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/L4MR7LGVCFHVXMYDPRFXNNVMKB \
  | 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: 5f191facd5114f5bb3037c4b76b6ac50673e01353602aaff892344f304d2a96a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02942fdeb93001ad02e0fcac66c4b66b9f1b2ec9c2d5ef54285809680bc9af68",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2025-02-10T19:19:08Z",
    "title_canon_sha256": "9c90aef50a2b57cd8d4967218168825fd84c295ae823c44316fe64d6de945820"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.06980",
    "kind": "arxiv",
    "version": 2
  }
}