Pith Number

pith:TSK4HMMW

pith:2021:TSK4HMMWOY5ZXDWEAVUEVC7MBO

not attested not anchored not stored refs pending

Sparse Linear Precoders for Mitigating Nonlinearities in Massive MIMO

Amine Mezghani, Daniel Plabst, Inbar Fijalkow, Josef A. Nossek, Lee A. Swindlehurst

arxiv:2105.05086 v2 · 2021-05-11 · cs.IT · eess.SP · 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{TSK4HMMWOY5ZXDWEAVUEVC7MBO}

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	2026-07-05T02:52:45.103648Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c95c3b196763b9b8ec405684a8bec0b82888b9568d4de949b7d636912174497

Aliases

arxiv: 2105.05086 · arxiv_version: 2105.05086v2 · doi: 10.48550/arxiv.2105.05086 · pith_short_12: TSK4HMMWOY5Z · pith_short_16: TSK4HMMWOY5ZXDWE · pith_short_8: TSK4HMMW

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/TSK4HMMWOY5ZXDWEAVUEVC7MBO \
  | 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: 9c95c3b196763b9b8ec405684a8bec0b82888b9568d4de949b7d636912174497

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e97389533dc451329b487e4fc6740f6de04966125980f05bb13c83f47410dad",
    "cross_cats_sorted": [
      "eess.SP",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2021-05-11T14:40:53Z",
    "title_canon_sha256": "1f0b597f037a3e7413a8c3679b7d9366a3aeadf9c372d293c64f5332bf17e5a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.05086",
    "kind": "arxiv",
    "version": 2
  }
}