Pith Number

pith:7IQBDNM2

pith:2026:7IQBDNM2CRB6F27MNGEDY7BVMO

not attested not anchored not stored refs pending

X-REFINE: XAI-based RElevance input-Filtering and archItecture fiNe-tuning for channel Estimation

Abdul Karim Gizzini, Yahia Medjahdi

arxiv:2602.22277 v2 · 2026-02-25 · cs.LG · 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{7IQBDNM2CRB6F27MNGEDY7BVMO}

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	2026-06-19T16:10:36.009123Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa2011b59a1443e2ebec69883c7c356387de79b1a62aec9ead443de83a455aea

Aliases

arxiv: 2602.22277 · arxiv_version: 2602.22277v2 · doi: 10.48550/arxiv.2602.22277 · pith_short_12: 7IQBDNM2CRB6 · pith_short_16: 7IQBDNM2CRB6F27M · pith_short_8: 7IQBDNM2

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/7IQBDNM2CRB6F27MNGEDY7BVMO \
  | 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: fa2011b59a1443e2ebec69883c7c356387de79b1a62aec9ead443de83a455aea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1436294874003f92c425fd9be28468a5a483aadd4ae7b9ef75dc85aa52e34b6f",
    "cross_cats_sorted": [
      "eess.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-02-25T10:20:26Z",
    "title_canon_sha256": "c222387b837048cd71e50a1e85fda39beb8b2cf38e5e892925f9f699ded03929"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.22277",
    "kind": "arxiv",
    "version": 2
  }
}