Pith Number

pith:C5E5NLFP

pith:2023:C5E5NLFPWDP4ETLKPLG62YAWVF

not attested not anchored not stored refs pending

Channel Estimation for Multicarrier Systems with Tightly-Coupled Broadband Arrays

Amine Mezghani, Bamelak Tadele, Faouzi Bellili, Volodymyr Shyianov

arxiv:2304.07440 v1 · 2023-04-15 · cs.IT · eess.SP · 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{C5E5NLFPWDP4ETLKPLG62YAWVF}

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	2026-07-05T06:01:21.306480Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1749d6acafb0dfc24d6a7acded6016a9427b07ebae1c29649e0bbdb0fdcb0adf

Aliases

arxiv: 2304.07440 · arxiv_version: 2304.07440v1 · doi: 10.48550/arxiv.2304.07440 · pith_short_12: C5E5NLFPWDP4 · pith_short_16: C5E5NLFPWDP4ETLK · pith_short_8: C5E5NLFP

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/C5E5NLFPWDP4ETLKPLG62YAWVF \
  | 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: 1749d6acafb0dfc24d6a7acded6016a9427b07ebae1c29649e0bbdb0fdcb0adf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e1d56ee982f877d2807147bb581669bd1346e0086e238d0198ab055b1194e8b",
    "cross_cats_sorted": [
      "eess.SP",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2023-04-15T00:42:51Z",
    "title_canon_sha256": "eaca1ad076849b4a6bc3b6cadedfaa4ed9b1bd0648892a5f0fa6145fc8689047"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.07440",
    "kind": "arxiv",
    "version": 1
  }
}