Pith Number

pith:77TDNBJG

pith:2026:77TDNBJGJAWVMNA63FRMTXPON2

not attested not anchored not stored refs pending

Codebook Design for Limited Feedback in Near-Field XL-MIMO Systems

Changsheng You, Chao Zhou, Liujia Yao, Xiaoyang Li, Zhaohui Yang, Zixuan Huang

arxiv:2601.10391 v1 · 2026-01-15 · 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{77TDNBJGJAWVMNA63FRMTXPON2}

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	2026-05-26T01:03:22.337582Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ffe6368526482d56341ed962c9ddee6eb4fa79deeb41c0c541dda1e46b83103b

Aliases

arxiv: 2601.10391 · arxiv_version: 2601.10391v1 · doi: 10.48550/arxiv.2601.10391 · pith_short_12: 77TDNBJGJAWV · pith_short_16: 77TDNBJGJAWVMNA6 · pith_short_8: 77TDNBJG

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/77TDNBJGJAWVMNA63FRMTXPON2 \
  | 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: ffe6368526482d56341ed962c9ddee6eb4fa79deeb41c0c541dda1e46b83103b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7bd0e0db6e43abe8c93d68b49eae6759488663341a3eb5f236168a948204a434",
    "cross_cats_sorted": [
      "eess.SP",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2026-01-15T13:44:20Z",
    "title_canon_sha256": "eaa39d4f7c80b43b25447451a878ee1c107ab661e3fc61ee9e94842640eb3f53"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.10391",
    "kind": "arxiv",
    "version": 1
  }
}