Pith Number

pith:CQARVVYW

pith:2025:CQARVVYWFRNMMC7C3FFQ5U5BGN

not attested not anchored not stored refs pending

Stacked Intelligent Metasurface Enabled Near-Field Multiuser Beamfocusing in the Wave Domain

Chau Yuen, Hao Liu, Jiancheng An, Lu Gan, Marco Di Renzo, M\'erouane Debbah, Xing Jia

arxiv:2502.05819 v1 · 2025-02-09 · 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{CQARVVYWFRNMMC7C3FFQ5U5BGN}

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	2026-07-05T10:11:43.840537Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14011ad7162c5ac60be2d94b0ed3a1337cf22eb4c0cef154960281364344d052

Aliases

arxiv: 2502.05819 · arxiv_version: 2502.05819v1 · doi: 10.48550/arxiv.2502.05819 · pith_short_12: CQARVVYWFRNM · pith_short_16: CQARVVYWFRNMMC7C · pith_short_8: CQARVVYW

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/CQARVVYWFRNMMC7C3FFQ5U5BGN \
  | 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: 14011ad7162c5ac60be2d94b0ed3a1337cf22eb4c0cef154960281364344d052

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c2b54647199c677bb87b2376aead28ad487b684f4fcfe55300a82aafed14c1c",
    "cross_cats_sorted": [
      "eess.SP",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2025-02-09T08:51:29Z",
    "title_canon_sha256": "120082851449a62009198db6342aa81765166f71483052f459f27b5b88218d83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.05819",
    "kind": "arxiv",
    "version": 1
  }
}