pith. sign in
Pith Number

pith:D6EABHC7

pith:2017:D6EABHC7K7WQ5QHFGTDMQ73AJR
not attested not anchored not stored refs pending

Deep Learning for Massive MIMO CSI Feedback

Chao-Kai Wen, Shi Jin, Wan-Ting Shih

arxiv:1712.08919 v4 · 2017-12-24 · cs.IT · math.IT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{D6EABHC7K7WQ5QHFGTDMQ73AJR}

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 2026-05-18T00:17:53.789640Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

1f88009c5f57ed0ec0e534c6c87f604c61c006d420aca4d7e01da399ba89c6fe

Aliases

arxiv: 1712.08919 · arxiv_version: 1712.08919v4 · doi: 10.48550/arxiv.1712.08919 · pith_short_12: D6EABHC7K7WQ · pith_short_16: D6EABHC7K7WQ5QHF · pith_short_8: D6EABHC7
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/D6EABHC7K7WQ5QHFGTDMQ73AJR \
  | 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: 1f88009c5f57ed0ec0e534c6c87f604c61c006d420aca4d7e01da399ba89c6fe
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "b64b94165f2959dfce51c9b18d40dbf0713da8be894351da1ba8ecde712b8599",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-12-24T13:34:27Z",
    "title_canon_sha256": "e9d646ed7c22e227496a95bd320c967b04d8f48c5a7c59218b475b9160691c12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.08919",
    "kind": "arxiv",
    "version": 4
  }
}