Pith. sign in
Pith Number

pith:ZHTHZWP3

pith:2020:ZHTHZWP37ZBCSGJC24YEW3BIJW
not attested not anchored not stored refs pending

Wireless Communication via Double IRS: Channel Estimation and Passive Beamforming Designs

Beixiong Zheng, Changsheng You, Rui Zhang

arxiv:2008.11439 v1 · 2020-08-26 · cs.IT · cs.NI · math.IT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{ZHTHZWP37ZBCSGJC24YEW3BIJW}

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 2026-07-05T01:30:44.869824Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

c9e67cd9fbfe42291922d7304b6c284d9abc513d109825d97b9792797e49bbaa

Aliases

arxiv: 2008.11439 · arxiv_version: 2008.11439v1 · doi: 10.48550/arxiv.2008.11439 · pith_short_12: ZHTHZWP37ZBC · pith_short_16: ZHTHZWP37ZBCSGJC · pith_short_8: ZHTHZWP3
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/ZHTHZWP37ZBCSGJC24YEW3BIJW \
  | 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: c9e67cd9fbfe42291922d7304b6c284d9abc513d109825d97b9792797e49bbaa
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "81115f9b5fa9a73ddf63214e942041fe94b4aa6de86c413de2dfe0b324da9227",
    "cross_cats_sorted": [
      "cs.NI",
      "math.IT"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2020-08-26T08:25:19Z",
    "title_canon_sha256": "ff12e6212ee86ac3d8b26b0ed5b13245c126edfb8e6e5021a0cbc44f90aa3803"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.11439",
    "kind": "arxiv",
    "version": 1
  }
}