Pith Number

pith:CL2G4HU6

pith:2020:CL2G4HU676SGZWDNJBU5TFB62I

not attested not anchored not stored refs pending

Efficient Channel Estimation for Double-IRS Aided Multi-User MIMO System

Beixiong Zheng, Changsheng You, Rui Zhang

arxiv:2011.00738 v3 · 2020-10-30 · 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{CL2G4HU676SGZWDNJBU5TFB62I}

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	2026-07-05T02:22:06.379082Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12f46e1e9effa46cd86d4869d9943ed2366c231ab061ed17998c5e1bd240534e

Aliases

arxiv: 2011.00738 · arxiv_version: 2011.00738v3 · doi: 10.48550/arxiv.2011.00738 · pith_short_12: CL2G4HU676SG · pith_short_16: CL2G4HU676SGZWDN · pith_short_8: CL2G4HU6

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/CL2G4HU676SGZWDNJBU5TFB62I \
  | 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: 12f46e1e9effa46cd86d4869d9943ed2366c231ab061ed17998c5e1bd240534e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dced4c248be48092df065389b6842c7cd664e546ed47abe7ee255da78fb84cea",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2020-10-30T15:04:57Z",
    "title_canon_sha256": "3c4ba79b757316ebef04012439b9f05139cf4781a39d4b9f634c7050c4176d96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.00738",
    "kind": "arxiv",
    "version": 3
  }
}