Pith Number

pith:4THB5URD

pith:2026:4THB5URDG5PFKXBVNKRRW2XO2S

not attested not anchored not stored refs pending

Degrees of Freedom and Beamforming for Large Intelligent Surfaces

Alireza Saberkari, Buon Kiong Lau, Jiawang Li, Mats Gustafsson

arxiv:2606.19666 v1 · 2026-06-18 · eess.SP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4THB5URDG5PFKXBVNKRRW2XO2S}

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	2026-06-19T16:12:31.682778Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4ce1ed223375e555c356aa31b6aeed4b9879222a508b7cb79c8b8ae598f66c2

Aliases

arxiv: 2606.19666 · arxiv_version: 2606.19666v1 · doi: 10.48550/arxiv.2606.19666 · pith_short_12: 4THB5URDG5PF · pith_short_16: 4THB5URDG5PFKXBV · pith_short_8: 4THB5URD

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/4THB5URDG5PFKXBVNKRRW2XO2S \
  | 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: e4ce1ed223375e555c356aa31b6aeed4b9879222a508b7cb79c8b8ae598f66c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d982d192b8202a82dd14c1d7512bf041e91647c6235da80a18e9fb54434331e9",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2026-06-18T00:33:41Z",
    "title_canon_sha256": "b24d019a93f933aba2b5e4e629c1d582560fdccc4f56c3589c9b9e20ab91149c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.19666",
    "kind": "arxiv",
    "version": 1
  }
}