Pith Number

pith:IU4QMNAW

pith:2019:IU4QMNAW7X43DPD2KCRSYN75H3

not attested not anchored not stored refs pending

Decentralized Coordinate-Descent Data Detection and Precoding for Massive MU-MIMO

Charles Jeon, Christoph Studer, Joseph R. Cavallaro, Kaipeng Li, Oscar Castaneda

arxiv:1902.08653 v1 · 2019-02-22 · cs.DC · 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{IU4QMNAW7X43DPD2KCRSYN75H3}

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	2026-05-17T23:52:50.478227Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4539063416fdf9b1bc7a50a32c37fd3ef539bd74339a7cf37aca9e1f299cab03

Aliases

arxiv: 1902.08653 · arxiv_version: 1902.08653v1 · doi: 10.48550/arxiv.1902.08653 · pith_short_12: IU4QMNAW7X43 · pith_short_16: IU4QMNAW7X43DPD2 · pith_short_8: IU4QMNAW

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/IU4QMNAW7X43DPD2KCRSYN75H3 \
  | 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: 4539063416fdf9b1bc7a50a32c37fd3ef539bd74339a7cf37aca9e1f299cab03

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3e3898bc4a451b4ef7d52fbe117a4ff790381ae59a2fc0ff48c2cd18054ae60",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2019-02-22T19:47:48Z",
    "title_canon_sha256": "304c3b43d681dc018fbd89462607a403f72b8e4b70f824376734c60802eb2eb1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.08653",
    "kind": "arxiv",
    "version": 1
  }
}