Pith Number

pith:QGV57PKO

pith:2015:QGV57PKOPATGJZTULFAD4SCC7Q

not attested not anchored not stored refs pending

Matrix Inversion-Less Signal Detection Using SOR Method for Uplink Large-Scale MIMO Systems

Linglong Dai, Xinyu Gao, Yuting Hu, Zhaocheng Wang, Zhongxu Wang

arxiv:1507.04588 v1 · 2015-07-16 · 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{QGV57PKOPATGJZTULFAD4SCC7Q}

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	2026-05-18T01:36:46.949398Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81abdfbd4e782664e67459403e4842fc228c1ef9dd528852e1519f4de4f7477f

Aliases

arxiv: 1507.04588 · arxiv_version: 1507.04588v1 · doi: 10.48550/arxiv.1507.04588 · pith_short_12: QGV57PKOPATG · pith_short_16: QGV57PKOPATGJZTU · pith_short_8: QGV57PKO

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/QGV57PKOPATGJZTULFAD4SCC7Q \
  | 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: 81abdfbd4e782664e67459403e4842fc228c1ef9dd528852e1519f4de4f7477f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0fe348ce831dd081dee86d8309fd6b5d0ceada135f80dd17444adc483d07dc29",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-07-16T14:15:13Z",
    "title_canon_sha256": "5e718cc1e7e3efd2ddea51a0a002371484f9cfaa070e02ba3234d67a0ad9c6f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.04588",
    "kind": "arxiv",
    "version": 1
  }
}