Pith Number

pith:WWSECF7B

pith:2018:WWSECF7B7JVOUHPD62PAG4UTQL

not attested not anchored not stored refs pending

Beam domain secure transmission for massive MIMO communications

Chengshan Xiao, Wenqian Wu, Xiqi Gao, Yongpeng Wu

arxiv:1801.02830 v1 · 2018-01-09 · 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{WWSECF7B7JVOUHPD62PAG4UTQL}

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	2026-05-18T00:26:22.310851Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5a44117e1fa6aea1de3f69e03729382d05fd8779037fe25c1977a330776441f

Aliases

arxiv: 1801.02830 · arxiv_version: 1801.02830v1 · doi: 10.48550/arxiv.1801.02830 · pith_short_12: WWSECF7B7JVO · pith_short_16: WWSECF7B7JVOUHPD · pith_short_8: WWSECF7B

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/WWSECF7B7JVOUHPD62PAG4UTQL \
  | 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: b5a44117e1fa6aea1de3f69e03729382d05fd8779037fe25c1977a330776441f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42fae0fb90d7fc2160b12df38978ab73dadb6616e3f049d4ba9c9adaa17d99ad",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-01-09T08:13:28Z",
    "title_canon_sha256": "6fa4b0489279f2755af4436e6d2a13ce18133cc413ac649f6b58151e529e1566"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.02830",
    "kind": "arxiv",
    "version": 1
  }
}