Pith Number

pith:7WI4NOBU

pith:2022:7WI4NOBUR5BLZH7N7SSJVLXMBT

not attested not anchored not stored refs pending

Graph Neural Network Aided Expectation Propagation Detector for MU-MIMO Systems

Alva Kosasih, Branka Vucetic, Jenq-Shiou Leuy, Vera Miloslavskaya, Victor Andrean, Vincent Onasis, Wibowo Hardjawana

arxiv:2201.03731 v1 · 2022-01-11 · 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{7WI4NOBUR5BLZH7N7SSJVLXMBT}

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	2026-07-05T03:47:32.731435Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd91c6b8348f42bc9fedfca49aaeec0ccdbc663ef28cd9c90fc5b37ce6eefefd

Aliases

arxiv: 2201.03731 · arxiv_version: 2201.03731v1 · doi: 10.48550/arxiv.2201.03731 · pith_short_12: 7WI4NOBUR5BL · pith_short_16: 7WI4NOBUR5BLZH7N · pith_short_8: 7WI4NOBU

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/7WI4NOBUR5BLZH7N7SSJVLXMBT \
  | 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: fd91c6b8348f42bc9fedfca49aaeec0ccdbc663ef28cd9c90fc5b37ce6eefefd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26a65131f8bcf6142aa6c6570cf8d0e8d0a71bc5d65cf159b74e85df43045e03",
    "cross_cats_sorted": [
      "eess.SP",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2022-01-11T01:16:58Z",
    "title_canon_sha256": "04c40425c36d8189df0baf5c3eab8153454f73f0bef5d654811f08dd2baa7e3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.03731",
    "kind": "arxiv",
    "version": 1
  }
}