Pith Number

pith:XCW6ZKYX

pith:2019:XCW6ZKYXOXNAXXLDWNQUKJC36I

not attested not anchored not stored refs pending

Smart Radio Environments Empowered by AI Reconfigurable Meta-Surfaces: An Idea Whose Time Has Come

Ahcene Bounceu, Alessio Zappone, Chau Yuen, Dinh-Thuy Phan-Huy, Geoffroy Lerosey, George C. Alexandropoulos, Haris Gacanin, Jakob Hoydis, Julien de Rosny, Marco Di Renzo, Mathias Fink, Merouane Debbah, Mohamed-Slim Alouini, Vincenzo Sciancalepore

arxiv:1903.08925 v1 · 2019-03-21 · 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{XCW6ZKYXOXNAXXLDWNQUKJC36I}

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	2026-05-17T23:50:43.552371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8adecab1775da0bdd63b36145245bf21a0056b1cebf423a9be900006716840b

Aliases

arxiv: 1903.08925 · arxiv_version: 1903.08925v1 · doi: 10.48550/arxiv.1903.08925 · pith_short_12: XCW6ZKYXOXNA · pith_short_16: XCW6ZKYXOXNAXXLD · pith_short_8: XCW6ZKYX

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/XCW6ZKYXOXNAXXLDWNQUKJC36I \
  | 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: b8adecab1775da0bdd63b36145245bf21a0056b1cebf423a9be900006716840b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97a0bbf1029aedebab86005bec5b66391d7acad6f1910df359c582b6a7913abb",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-03-21T11:21:43Z",
    "title_canon_sha256": "94d6a2460fb3b271c3b45771eaf2d68738c3038b178710c0e17fe81c3fd427f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.08925",
    "kind": "arxiv",
    "version": 1
  }
}