Pith Number

pith:D4BXUCC7

pith:2017:D4BXUCC7UZFPCYVD3Q5TV3X26L

not attested not anchored not stored refs pending

Spectral Efficiency of Multipair Massive MIMO Two-Way Relaying with Hardware Impairments

Bo Ai, Emil Bj\"ornson, Jiayi Zhang, Shi Jin, Xipeng Xue

arxiv:1709.02948 v1 · 2017-09-09 · 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{D4BXUCC7UZFPCYVD3Q5TV3X26L}

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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	2026-05-18T00:35:39.989090Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f037a085fa64af162a3dc3b3aeefaf2e846a52bcd5f574bd78c1d03c5e23b09

Aliases

arxiv: 1709.02948 · arxiv_version: 1709.02948v1 · doi: 10.48550/arxiv.1709.02948 · pith_short_12: D4BXUCC7UZFP · pith_short_16: D4BXUCC7UZFPCYVD · pith_short_8: D4BXUCC7

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/D4BXUCC7UZFPCYVD3Q5TV3X26L \
  | 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: 1f037a085fa64af162a3dc3b3aeefaf2e846a52bcd5f574bd78c1d03c5e23b09

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec64e97e5a610b086b6e7e4ebb306bab2026579976c750dd7b7a647e738dc789",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-09-09T12:28:03Z",
    "title_canon_sha256": "ccf6e11105f01064d92a8afb2f3218689d3f54601832f382c90b71fa5fd5b72c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.02948",
    "kind": "arxiv",
    "version": 1
  }
}