Pith Number

pith:LIIRMQDS

pith:2019:LIIRMQDSYCUKJM7NJSNRBY6CUX

not attested not anchored not stored refs pending

On the Equivalence of Semidifinite Relaxations for MIMO Detection with General Constellations

Cheng Lu, Ya-Feng Liu, Zi Xu

arxiv:1902.06381 v1 · 2019-02-18 · 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{LIIRMQDSYCUKJM7NJSNRBY6CUX}

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	2026-05-17T23:53:45.699500Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a11164072c0a8a4b3ed4c9b10e3c2a5fb04388bb67fd93fd775c42aed1454c3

Aliases

arxiv: 1902.06381 · arxiv_version: 1902.06381v1 · doi: 10.48550/arxiv.1902.06381 · pith_short_12: LIIRMQDSYCUK · pith_short_16: LIIRMQDSYCUKJM7N · pith_short_8: LIIRMQDS

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/LIIRMQDSYCUKJM7NJSNRBY6CUX \
  | 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: 5a11164072c0a8a4b3ed4c9b10e3c2a5fb04388bb67fd93fd775c42aed1454c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f07781cbfedcbe355ad2f945cfec3360045507dbc943e7e9076a82bb74572819",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-02-18T02:53:34Z",
    "title_canon_sha256": "c23e076ca0e7557eaba1af4b882552ce9a1841a1fb0f95d59fa47c43fe191f96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.06381",
    "kind": "arxiv",
    "version": 1
  }
}