Pith Number

pith:FU4LU6AD

pith:2023:FU4LU6ADOIZFP5WUF5OQ7YER76

not attested not anchored not stored refs pending

Learning a Common Dictionary for CSI Feedback in FDD Massive MU-MIMO-OFDM Systems

K. V. S. Hari, Lajos Hanzo, Pavan Kumar Gadamsetty

arxiv:2307.15943 v1 · 2023-07-29 · 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{FU4LU6ADOIZFP5WUF5OQ7YER76}

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	2026-07-05T06:35:56.890697Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d38ba7803723257f6d42f5d0fe091ffa3a33970261ee020632cb6dceb2bc431

Aliases

arxiv: 2307.15943 · arxiv_version: 2307.15943v1 · doi: 10.48550/arxiv.2307.15943 · pith_short_12: FU4LU6ADOIZF · pith_short_16: FU4LU6ADOIZFP5WU · pith_short_8: FU4LU6AD

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/FU4LU6ADOIZFP5WUF5OQ7YER76 \
  | 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: 2d38ba7803723257f6d42f5d0fe091ffa3a33970261ee020632cb6dceb2bc431

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eee8e6ce9155b03230250e9a2d322c6da0c5c6c8d9a59036e6d04db0df59584b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2023-07-29T09:33:27Z",
    "title_canon_sha256": "bc568e0ab0bb4e5bf12f2a7ae33410ce637886eb981d11170c8ec3166fcd5e8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.15943",
    "kind": "arxiv",
    "version": 1
  }
}