pith. sign in
Pith Number

pith:DHUMTV7N

pith:2026:DHUMTV7NF223E3QUQMMFVGORQC
not attested not anchored not stored refs pending

Wideband Near-Field Channel Estimation Under Hybrid Compression: Cross-Subcarrier KL Covariance Fitting With OFDM Fresnel Model

R{\i}fat Volkan \c{S}enyuva

arxiv:2606.25101 v1 · 2026-06-23 · cs.IT · eess.SP · math.IT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{DHUMTV7NF223E3QUQMMFVGORQC}

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 2026-06-25T00:18:18.109664Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

19e8c9d7ed2eb5b26e1483185a99d1808c130fabe568c5805ad62a269e1b8d43

Aliases

arxiv: 2606.25101 · arxiv_version: 2606.25101v1 · doi: 10.48550/arxiv.2606.25101 · pith_short_12: DHUMTV7NF223 · pith_short_16: DHUMTV7NF223E3QU · pith_short_8: DHUMTV7N
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/DHUMTV7NF223E3QUQMMFVGORQC \
  | 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: 19e8c9d7ed2eb5b26e1483185a99d1808c130fabe568c5805ad62a269e1b8d43
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "330d7309af467302a4f05cc874a4cfbe0c4498e3f17734853cefe217fc1ab024",
    "cross_cats_sorted": [
      "eess.SP",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2026-06-23T19:16:41Z",
    "title_canon_sha256": "108965fa2e3a924297027057c324a652dd891efb661a77f1cb6e5ccb66f97aae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.25101",
    "kind": "arxiv",
    "version": 1
  }
}