Pith Number

pith:7QVVZOUM

pith:2018:7QVVZOUMBNFZS23WX7LSZIONA5

not attested not anchored not stored refs pending

Over-Sampling Codebook-Based Hybrid Minimum Sum-Mean-Square-Error Precoding for Millimeter-Wave 3D-MIMO

Jiening Mao, Mohamed-Slim Alouini, Yongpeng Wu, Zhen Gao

arxiv:1805.07861 v1 · 2018-05-21 · cs.IT · math.IT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7QVVZOUMBNFZS23WX7LSZIONA5}

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	2026-05-18T00:15:32.345400Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc2b5cba8c0b4b996b76bfd72ca1cd074970731466197b7b865870504d612d71

Aliases

arxiv: 1805.07861 · arxiv_version: 1805.07861v1 · doi: 10.48550/arxiv.1805.07861 · pith_short_12: 7QVVZOUMBNFZ · pith_short_16: 7QVVZOUMBNFZS23W · pith_short_8: 7QVVZOUM

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/7QVVZOUMBNFZS23WX7LSZIONA5 \
  | 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: fc2b5cba8c0b4b996b76bfd72ca1cd074970731466197b7b865870504d612d71

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c72648d4e73c7daeb5fb8127f372c73bcb93f85e49e8e16b4e14c270cfa0a8d9",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-05-21T01:48:51Z",
    "title_canon_sha256": "1e8aa7b3aa2e5c271531c03d7dc2a6e372a20d21d2d8dfb2da17d28a2fefea98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.07861",
    "kind": "arxiv",
    "version": 1
  }
}