pith. sign in
Pith Number

pith:DZLLHYLY

pith:2020:DZLLHYLYIJARMLDCDTEXDNHOQY
not attested not anchored not stored refs pending

Intelligent Reflecting Surface Assisted Multi-User OFDMA: Channel Estimation and Training Design

Beixiong Zheng, Changsheng You, Rui Zhang

arxiv:2003.00648 v3 · 2020-03-02 · cs.IT · math.IT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{DZLLHYLYIJARMLDCDTEXDNHOQY}

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 2026-07-05T01:34:52.386256Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

1e56b3e1784241162c621cc971b4ee861af4a6fd6cf27b4d9c8ea022a5975e8c

Aliases

arxiv: 2003.00648 · arxiv_version: 2003.00648v3 · doi: 10.48550/arxiv.2003.00648 · pith_short_12: DZLLHYLYIJAR · pith_short_16: DZLLHYLYIJARMLDC · pith_short_8: DZLLHYLY
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/DZLLHYLYIJARMLDCDTEXDNHOQY \
  | 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: 1e56b3e1784241162c621cc971b4ee861af4a6fd6cf27b4d9c8ea022a5975e8c
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "b5e53887859fc40f6fbdc3ceca48eb73dd325af5e80e14dda9c91a329d6d15dd",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2020-03-02T04:08:44Z",
    "title_canon_sha256": "9190a0fc551a586718b730ff250c1e979770284ffd09dbd0662a3fd90762a81c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.00648",
    "kind": "arxiv",
    "version": 3
  }
}