Pith Number

pith:BSJO2D4N

pith:2021:BSJO2D4NLQQ35ZVRE3OMSYTLQP

not attested not anchored not stored refs pending

Tensor-Based Channel Estimation and Reflection Design for RIS-Aided Millimeter-Wave MIMO Communication Systems

Andr\'e L. F. de Almeida, Khaled Ardah, Martin Haardt, Sepideh Gherekhloo

arxiv:2107.13851 v2 · 2021-07-29 · 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{BSJO2D4NLQQ35ZVRE3OMSYTLQP}

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	2026-07-05T03:37:44.642197Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c92ed0f8d5c21bee6b126dcc9626b83e2fe9542ca070c1900d866fec07e5457

Aliases

arxiv: 2107.13851 · arxiv_version: 2107.13851v2 · doi: 10.48550/arxiv.2107.13851 · pith_short_12: BSJO2D4NLQQ3 · pith_short_16: BSJO2D4NLQQ35ZVR · pith_short_8: BSJO2D4N

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/BSJO2D4NLQQ35ZVRE3OMSYTLQP \
  | 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: 0c92ed0f8d5c21bee6b126dcc9626b83e2fe9542ca070c1900d866fec07e5457

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9df64ac1fc29638ee105de9b8dd1f09eedd8a75de66e24148c06197a56932866",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2021-07-29T09:31:15Z",
    "title_canon_sha256": "66ca8594686ac391df898128d674a318115110d0eef9d5bb3dfdc7f7553f6b82"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.13851",
    "kind": "arxiv",
    "version": 2
  }
}