Pith Number

pith:VKBVTMJC

pith:2022:VKBVTMJC4WZFIJJSBDCGNJ7ZAL

not attested not anchored not stored refs pending

Supervised Learning based Sparse Channel Estimation for RIS aided Communications

Dilin Dampahalage, K. B. Shashika Manosha, Matti Latva-aho, Nandana Rajatheva

arxiv:2202.11997 v1 · 2022-02-24 · 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{VKBVTMJC4WZFIJJSBDCGNJ7ZAL}

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	2026-07-05T03:59:48.515195Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa8359b122e5b254253208c466a7f902e6a9879b253566c6832c44739782f26c

Aliases

arxiv: 2202.11997 · arxiv_version: 2202.11997v1 · doi: 10.48550/arxiv.2202.11997 · pith_short_12: VKBVTMJC4WZF · pith_short_16: VKBVTMJC4WZFIJJS · pith_short_8: VKBVTMJC

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/VKBVTMJC4WZFIJJSBDCGNJ7ZAL \
  | 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: aa8359b122e5b254253208c466a7f902e6a9879b253566c6832c44739782f26c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ca27d9ae550601c37477ff94641acb3bda97bc308d256968eea3c03e426a83a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2022-02-24T10:20:54Z",
    "title_canon_sha256": "f6e1491836d75e56b8fd568be1bb148b01fd4e03ba1014ef278549011b9b19e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.11997",
    "kind": "arxiv",
    "version": 1
  }
}