pith. sign in
Pith Number

pith:VUZVDWPO

pith:2019:VUZVDWPOHQ45QGKXK3W5HM2RCC
not attested not anchored not stored refs pending

Few-Bit CSI Acquisition for Centralized Cell-Free Massive MIMO with Spatial Correlation

Alister Burr, Dick Maryopi

arxiv:1902.07118 v1 · 2019-02-19 · cs.IT · math.IT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{VUZVDWPOHQ45QGKXK3W5HM2RCC}

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 2026-05-17T23:53:39.874798Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

ad3351d9ee3c39d8195756edd3b35110a445f1fe9f0c9de78a5e268b1ca7d218

Aliases

arxiv: 1902.07118 · arxiv_version: 1902.07118v1 · doi: 10.48550/arxiv.1902.07118 · pith_short_12: VUZVDWPOHQ45 · pith_short_16: VUZVDWPOHQ45QGKX · pith_short_8: VUZVDWPO
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/VUZVDWPOHQ45QGKXK3W5HM2RCC \
  | 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: ad3351d9ee3c39d8195756edd3b35110a445f1fe9f0c9de78a5e268b1ca7d218
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "36b47f852e1653679e74aa6dbec228ecdf366db0b3936702deaaa492ff1e38c5",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-02-19T16:21:38Z",
    "title_canon_sha256": "94716f3c04f0e0cee121dd96d07be734df3c49d8a5ae79f2b393b4c18aee602e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.07118",
    "kind": "arxiv",
    "version": 1
  }
}