Pith Number

pith:XFG6ANZP

pith:2021:XFG6ANZP2AVXH3EMLBJBPDRP4S

not attested not anchored not stored refs pending

CSI Feedback with Model-Driven Deep Learning of Massive MIMO Systems

F. Li, J. Guo, J. Xue, L. Wang

arxiv:2112.06405 v1 · 2021-12-13 · cs.IT · cs.LG · 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{XFG6ANZP2AVXH3EMLBJBPDRP4S}

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	2026-07-05T03:40:13.507324Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b94de0372fd02b73ec8c5852178e2fe49236cf045743891261bdb2d0360e3d9c

Aliases

arxiv: 2112.06405 · arxiv_version: 2112.06405v1 · doi: 10.48550/arxiv.2112.06405 · pith_short_12: XFG6ANZP2AVX · pith_short_16: XFG6ANZP2AVXH3EM · pith_short_8: XFG6ANZP

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/XFG6ANZP2AVXH3EMLBJBPDRP4S \
  | 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: b94de0372fd02b73ec8c5852178e2fe49236cf045743891261bdb2d0360e3d9c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07bbd1181ccde3685ebe544378324a62efdff7e3dfc9f586cd9a07c8b3b85645",
    "cross_cats_sorted": [
      "cs.LG",
      "eess.SP",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2021-12-13T03:50:43Z",
    "title_canon_sha256": "b6bd4c7c7d367abd7a3e970616b9e26c7d63c05434640b2d4d31bdfa3638e8a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.06405",
    "kind": "arxiv",
    "version": 1
  }
}