Pith Number

pith:QC7B33VE

pith:2025:QC7B33VE62SEB4GDMLCNZEXQF3

not attested not anchored not stored refs pending

A Unified Distributed Algorithm for Hybrid Near-Far Field Activity Detection in Cell-Free Massive MIMO

Jingreng Lei, Qingfeng Lin, Ya-Feng Liu, Yang Li, Yik-Chung Wu, Ziyue Wang

arxiv:2509.15162 v2 · 2025-09-18 · 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{QC7B33VE62SEB4GDMLCNZEXQF3}

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	2026-05-27T01:05:37.991456Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80be1deea4f6a440f0c362c4dc92f02ef787bb886d7b7c578266592d98766ccb

Aliases

arxiv: 2509.15162 · arxiv_version: 2509.15162v2 · doi: 10.48550/arxiv.2509.15162 · pith_short_12: QC7B33VE62SE · pith_short_16: QC7B33VE62SEB4GD · pith_short_8: QC7B33VE

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/QC7B33VE62SEB4GDMLCNZEXQF3 \
  | 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: 80be1deea4f6a440f0c362c4dc92f02ef787bb886d7b7c578266592d98766ccb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06660f30b589e57ecc3bff16da9e81e2a62ecc1275de6e32cc923e4cd3cc10e8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2025-09-18T17:13:09Z",
    "title_canon_sha256": "e73117f5449f09ffa1c202b5243cd31dcbab1b737e969d0750669cf55374a479"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.15162",
    "kind": "arxiv",
    "version": 2
  }
}