Pith Number

pith:4K4VNGZI

pith:2021:4K4VNGZIBJHUQTSDDLIHQTHWJX

not attested not anchored not stored refs pending

Empowering Base Stations with Co-Site Intelligent Reflecting Surfaces: User Association, Channel Estimation and Reflection Optimization

Rui Zhang, Weidong Mei, Yuwei Huang

arxiv:2112.14135 v2 · 2021-12-28 · cs.IT · eess.SP · 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{4K4VNGZIBJHUQTSDDLIHQTHWJX}

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	2026-07-05T04:26:35.097715Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2b9569b280a4f484e431ad0784cf64dc0fb06bbbc26dbde29b9c1d749adae23

Aliases

arxiv: 2112.14135 · arxiv_version: 2112.14135v2 · doi: 10.48550/arxiv.2112.14135 · pith_short_12: 4K4VNGZIBJHU · pith_short_16: 4K4VNGZIBJHUQTSD · pith_short_8: 4K4VNGZI

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/4K4VNGZIBJHUQTSDDLIHQTHWJX \
  | 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: e2b9569b280a4f484e431ad0784cf64dc0fb06bbbc26dbde29b9c1d749adae23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2a0ccc8dbca1d42d037c82f9104ab55d48a25e6a85635300292db37461f2273",
    "cross_cats_sorted": [
      "eess.SP",
      "math.IT"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2021-12-28T13:32:02Z",
    "title_canon_sha256": "7890a54a68fa2738c1a8a9764a0117e7f3e155acec66397862be0931b872e1fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.14135",
    "kind": "arxiv",
    "version": 2
  }
}