Pith Number

pith:XPPWUXMM

pith:2026:XPPWUXMMKV347JUVYXVW5XZB57

not attested not anchored not stored refs pending

Deconstructing the Composite Channel for Beyond Diagonal RIS: Channel Estimation and Beamforming Design

Andr\'e L. F. de Almeida, Behrooz Makki, Bruno Sokal, Fazal-E Asim, Gabor Fodor

arxiv:2606.01564 v1 · 2026-06-01 · eess.SP · cs.SY · eess.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XPPWUXMMKV347JUVYXVW5XZB57}

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	2026-06-02T02:04:36.729069Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bbdf6a5d8c5577cfa695c5eb6edf21efce8d80048cf864149ef2993006b514b6

Aliases

arxiv: 2606.01564 · arxiv_version: 2606.01564v1 · doi: 10.48550/arxiv.2606.01564 · pith_short_12: XPPWUXMMKV34 · pith_short_16: XPPWUXMMKV347JUV · pith_short_8: XPPWUXMM

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/XPPWUXMMKV347JUVYXVW5XZB57 \
  | 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: bbdf6a5d8c5577cfa695c5eb6edf21efce8d80048cf864149ef2993006b514b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44c93e104d300059d584ff6fa7273a484566e2733165bd8b68cdb34c683efa74",
    "cross_cats_sorted": [
      "cs.SY",
      "eess.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2026-06-01T02:09:27Z",
    "title_canon_sha256": "ccca6e08d935d6be5675050cc09d5436f49c13e134931b2500a3845e2bbfeccf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.01564",
    "kind": "arxiv",
    "version": 1
  }
}