Pith Number

pith:AUBFF6KK

pith:2023:AUBFF6KKISSVIARUSPSPT347AF

not attested not anchored not stored refs pending

Sparsity-Based Channel Estimation Exploiting Deep Unrolling for Downlink Massive MIMO

An Chen, Liyang Lu, Wenbo Xu, Yue Wang

arxiv:2309.13545 v1 · 2023-09-24 · 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{AUBFF6KKISSVIARUSPSPT347AF}

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	2026-07-05T06:53:54.227161Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

050252f94a44a554023493e4f9ef9f015626847871bb8cc2dc1c634fc525afa6

Aliases

arxiv: 2309.13545 · arxiv_version: 2309.13545v1 · doi: 10.48550/arxiv.2309.13545 · pith_short_12: AUBFF6KKISSV · pith_short_16: AUBFF6KKISSVIARU · pith_short_8: AUBFF6KK

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/AUBFF6KKISSVIARUSPSPT347AF \
  | 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: 050252f94a44a554023493e4f9ef9f015626847871bb8cc2dc1c634fc525afa6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0da3472c5b0d5f7cf43f163494d369d7a5e4580e42460c3c2f8b0858e51d772",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2023-09-24T04:22:49Z",
    "title_canon_sha256": "f85c95532f8618912f20edcc4c8269545997e172b58f44446c70159c402c244c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2309.13545",
    "kind": "arxiv",
    "version": 1
  }
}