Pith Number

pith:5RJZYO4D

pith:2026:5RJZYO4DEC3ERXS4XFAA5OELIM

not attested not anchored not stored refs pending

Deep CSI Feedback for FDD Massive MIMO Systems: A Curvelet Learning Approach

Huiqiang Xie, Jiancun Fan, Kai Xie, Mengli Tao

arxiv:2606.17737 v1 · 2026-06-16 · eess.SP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5RJZYO4DEC3ERXS4XFAA5OELIM}

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	2026-06-19T16:10:20.694937Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec539c3b8320b648de5cb9400eb88b43024f3b85ea33b39f985413e46bffba1f

Aliases

arxiv: 2606.17737 · arxiv_version: 2606.17737v1 · doi: 10.48550/arxiv.2606.17737 · pith_short_12: 5RJZYO4DEC3E · pith_short_16: 5RJZYO4DEC3ERXS4 · pith_short_8: 5RJZYO4D

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/5RJZYO4DEC3ERXS4XFAA5OELIM \
  | 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: ec539c3b8320b648de5cb9400eb88b43024f3b85ea33b39f985413e46bffba1f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d6fb5efafc262cef1b3ea4ff9b31d22ff563c3e53724fcafff7497f67580aea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2026-06-16T09:56:11Z",
    "title_canon_sha256": "47ab6a0ba50d4f521130726aba7ede092c18b1d5bccf1e84e5f80d28457cdb83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.17737",
    "kind": "arxiv",
    "version": 1
  }
}