Pith Number

pith:R55SUQ6S

pith:2022:R55SUQ6SZG675CPV4IXRSMQO2M

not attested not anchored not stored refs pending

Downlink Massive MIMO Channel Estimation via Deep Unrolling : Sparsity Exploitations in Angular Domain

An Chen, Liyang Lu, Wenbo Xu, Yue Wang

arxiv:2210.17212 v1 · 2022-10-31 · 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{R55SUQ6SZG675CPV4IXRSMQO2M}

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	2026-07-05T05:11:55.968454Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f7b2a43d2c9bdfe89f5e22f19320ed30310f7a662a1f7072338b69509c54aaa

Aliases

arxiv: 2210.17212 · arxiv_version: 2210.17212v1 · doi: 10.48550/arxiv.2210.17212 · pith_short_12: R55SUQ6SZG67 · pith_short_16: R55SUQ6SZG675CPV · pith_short_8: R55SUQ6S

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/R55SUQ6SZG675CPV4IXRSMQO2M \
  | 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: 8f7b2a43d2c9bdfe89f5e22f19320ed30310f7a662a1f7072338b69509c54aaa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff2b96249904f6350c7b771e985c59208a7f6514b21be4445dce205aeed18775",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2022-10-31T10:50:02Z",
    "title_canon_sha256": "a540bc26d138bf0b6f05ec3413d031e2396e1fe388ea4fdaaaa84542b0b8cd50"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.17212",
    "kind": "arxiv",
    "version": 1
  }
}