Pith Number

pith:SWF4JOZ2

pith:2025:SWF4JOZ2PCR6OZ4534E5GBIVTU

not attested not anchored not stored refs pending

Indoor Channel Characterization with Extremely Large Reconfigurable Intelligent Surfaces at $300$ GHz

Fabio Cardoso, George C. Alexandropoulos, Lu\'is M. Pessoa, S\'ergio Matos

arxiv:2501.12752 v1 · 2025-01-22 · cs.IT · cs.ET · 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{SWF4JOZ2PCR6OZ4534E5GBIVTU}

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	2026-07-05T10:03:58.078349Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

958bc4bb3a78a3e7679ddf09d305159d12ec2307f7cff9577968e26f41df264d

Aliases

arxiv: 2501.12752 · arxiv_version: 2501.12752v1 · doi: 10.48550/arxiv.2501.12752 · pith_short_12: SWF4JOZ2PCR6 · pith_short_16: SWF4JOZ2PCR6OZ45 · pith_short_8: SWF4JOZ2

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/SWF4JOZ2PCR6OZ4534E5GBIVTU \
  | 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: 958bc4bb3a78a3e7679ddf09d305159d12ec2307f7cff9577968e26f41df264d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3fd83279139efb8512c5fd279c8900bf9694415aa9a8ad6f035509a5cf8acf2e",
    "cross_cats_sorted": [
      "cs.ET",
      "math.IT"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2025-01-22T09:39:48Z",
    "title_canon_sha256": "727b010a444eb56cda8b617d1c29ee5c0cfbc50ca83329a9d905209b7972a47f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.12752",
    "kind": "arxiv",
    "version": 1
  }
}