Pith Number

pith:A7EVXL44

pith:2021:A7EVXL44FX2XU6EWXTMNB5GZOP

not attested not anchored not stored refs pending

Channel Estimation for RIS-Aided Multiuser Millimeter-Wave Systems

A. Lee Swindlehurst, Cunhua Pan, Gui Zhou, Hong Ren, Petar Popovski

arxiv:2106.14792 v2 · 2021-06-28 · 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{A7EVXL44FX2XU6EWXTMNB5GZOP}

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	2026-07-05T04:13:30.830049Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07c95baf9c2df57a7896bcd8d0f4d973f8db7d1548201524bf8d8a4d09cbfcab

Aliases

arxiv: 2106.14792 · arxiv_version: 2106.14792v2 · doi: 10.48550/arxiv.2106.14792 · pith_short_12: A7EVXL44FX2X · pith_short_16: A7EVXL44FX2XU6EW · pith_short_8: A7EVXL44

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/A7EVXL44FX2XU6EWXTMNB5GZOP \
  | 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: 07c95baf9c2df57a7896bcd8d0f4d973f8db7d1548201524bf8d8a4d09cbfcab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7473213d6a748a6fc98a2791b4f526a3b92ecea547070e903a5a1a3608f13926",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2021-06-28T15:16:17Z",
    "title_canon_sha256": "511d85378d519ee842a1527f3c76d5f968c186537b67dfc301190b33bace06b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.14792",
    "kind": "arxiv",
    "version": 2
  }
}