Pith Number

pith:VMJMVUOH

pith:2022:VMJMVUOH2LULEQTFK2CJHTTC7U

not attested not anchored not stored refs pending

Beamforming Optimization for Active Intelligent Reflecting Surface-Aided SWIPT

Derrick Wing Kwan Ng, Guangchi Zhang, Marco Di Renzo, Qingqing Wu, Wen Chen, Ying Gao

arxiv:2203.16093 v2 · 2022-03-30 · 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{VMJMVUOH2LULEQTFK2CJHTTC7U}

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	2026-07-05T04:45:58.675347Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab12cad1c7d2e8b24265568493ce62fd2b2cdb6f134facdd9dc6b4c881ae0c68

Aliases

arxiv: 2203.16093 · arxiv_version: 2203.16093v2 · doi: 10.48550/arxiv.2203.16093 · pith_short_12: VMJMVUOH2LUL · pith_short_16: VMJMVUOH2LULEQTF · pith_short_8: VMJMVUOH

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/VMJMVUOH2LULEQTFK2CJHTTC7U \
  | 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: ab12cad1c7d2e8b24265568493ce62fd2b2cdb6f134facdd9dc6b4c881ae0c68

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "914b6189d92004a212e107403287ce375ff7cf71a3b7a0508ad470bf95aace92",
    "cross_cats_sorted": [
      "eess.SP",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2022-03-30T06:46:13Z",
    "title_canon_sha256": "438af5d7f9ac8fb46df1fb455758fe1857094412f9f634bdd874751ddbe40abc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.16093",
    "kind": "arxiv",
    "version": 2
  }
}