Pith Number

pith:LE5FYUXJ

pith:2013:LE5FYUXJSYZQ26FPHKWJRK37BT

not attested not anchored not stored refs pending

Sparse Channel Estimation for MIMO-OFDM Amplify-and-Forward Two-Way Relay Networks

Fumiyuki Adachi, Guan Gui, Wei Peng

arxiv:1302.1358 v1 · 2013-02-06 · cs.IT · 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{LE5FYUXJSYZQ26FPHKWJRK37BT}

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	2026-05-18T03:34:24.471170Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

593a5c52e996330d78af3aac98ab7f0ccd27441690b5d54d059a97740e7b558b

Aliases

arxiv: 1302.1358 · arxiv_version: 1302.1358v1 · doi: 10.48550/arxiv.1302.1358 · pith_short_12: LE5FYUXJSYZQ · pith_short_16: LE5FYUXJSYZQ26FP · pith_short_8: LE5FYUXJ

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/LE5FYUXJSYZQ26FPHKWJRK37BT \
  | 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: 593a5c52e996330d78af3aac98ab7f0ccd27441690b5d54d059a97740e7b558b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7604ebe89fbc763916d169eeaa863f07077e8922dde04db6c187bab0244a74e7",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-02-06T13:23:19Z",
    "title_canon_sha256": "e13deab52c0e4e9d10bb47863eda71a90ecbe0d4a254ac1f95379c79381a7328"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.1358",
    "kind": "arxiv",
    "version": 1
  }
}