Pith Number

pith:G4D2Y5A7

pith:2025:G4D2Y5A7OGYGTV4QTF4JZMMOCG

not attested not anchored not stored refs pending

Stacked Intelligent Metasurface-Based Transceiver Design for Near-Field Wideband Systems

Chao Xu, Chau Yuen, Jiancheng An, Lajos Hanzo, Mohammed EL-Hajjar, Qingchao Li

arxiv:2502.11182 v1 · 2025-02-16 · cs.IT · 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{G4D2Y5A7OGYGTV4QTF4JZMMOCG}

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	2026-07-05T10:15:04.787770Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3707ac741f71b069d79099789cb18e119825a3e452756c6292b1a3b1b86339da

Aliases

arxiv: 2502.11182 · arxiv_version: 2502.11182v1 · doi: 10.48550/arxiv.2502.11182 · pith_short_12: G4D2Y5A7OGYG · pith_short_16: G4D2Y5A7OGYGTV4Q · pith_short_8: G4D2Y5A7

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/G4D2Y5A7OGYGTV4QTF4JZMMOCG \
  | 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: 3707ac741f71b069d79099789cb18e119825a3e452756c6292b1a3b1b86339da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f470a09864b5095383ff1c74fef26ba002a5160a0ea7af0b3f837b9e2c1738f7",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2025-02-16T16:07:32Z",
    "title_canon_sha256": "5d7026aad3e2718422f85935a07a286523822407367272c50dec05adaac1b5cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.11182",
    "kind": "arxiv",
    "version": 1
  }
}