Pith Number

pith:ZIJHCFKW

pith:2018:ZIJHCFKW4T2DRHFNWOK2WUIPNE

not attested not anchored not stored refs pending

Stepwise Transmit Antenna Selection in Downlink Massive Multiuser MIMO

Ali Bereyhi, Ralf R. M\"uller, Saba Asaad

arxiv:1802.05148 v2 · 2018-02-14 · 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{ZIJHCFKW4T2DRHFNWOK2WUIPNE}

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	2026-05-18T00:23:04.608391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca12711556e4f4389cadb395ab510f692b862d83d1ed4d95ec3d67298fb901e9

Aliases

arxiv: 1802.05148 · arxiv_version: 1802.05148v2 · doi: 10.48550/arxiv.1802.05148 · pith_short_12: ZIJHCFKW4T2D · pith_short_16: ZIJHCFKW4T2DRHFN · pith_short_8: ZIJHCFKW

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/ZIJHCFKW4T2DRHFNWOK2WUIPNE \
  | 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: ca12711556e4f4389cadb395ab510f692b862d83d1ed4d95ec3d67298fb901e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "397de273df08704b78fd3add6f9270bc0f6b0888431ddcfc8106c424a2a1a018",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-02-14T15:16:23Z",
    "title_canon_sha256": "6180dd4e9f1ddb6a340dfaee7217c8f13c00e52ec7aedee7f9e5d8fb8dc0f758"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.05148",
    "kind": "arxiv",
    "version": 2
  }
}