Pith Number

pith:MAE7NMWP

pith:2026:MAE7NMWPK5ALBKGTMQIX5HOS3C

not attested not anchored not stored refs pending

Diffusion-Based Noise-Adaptive Null-Space Channel Estimation for OFDM Systems

Chunxiao Jiang, Heqiang Qi, Linling Kuang, Sheng Wu, Xiangming Meng, Yirun Chen

arxiv:2607.03348 v1 · 2026-07-03 · 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{MAE7NMWPK5ALBKGTMQIX5HOS3C}

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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	2026-07-07T02:17:38.546505Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6009f6b2cf5740b0a8d364117e9dd2d8ad6e72a4b3ee83f0ed9df4af034d7de9

Aliases

arxiv: 2607.03348 · arxiv_version: 2607.03348v1 · doi: 10.48550/arxiv.2607.03348 · pith_short_12: MAE7NMWPK5AL · pith_short_16: MAE7NMWPK5ALBKGT · pith_short_8: MAE7NMWP

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/MAE7NMWPK5ALBKGTMQIX5HOS3C \
  | 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: 6009f6b2cf5740b0a8d364117e9dd2d8ad6e72a4b3ee83f0ed9df4af034d7de9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a29edd2a0ffacf5356898e8258b436182b584e8c15f333120c0ba172103b31e7",
    "cross_cats_sorted": [
      "eess.SP",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2026-07-03T14:03:21Z",
    "title_canon_sha256": "8825f08855aa88798c43c2dbf7bc749871ae6eed716b9f387f2163c7b2558cac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.03348",
    "kind": "arxiv",
    "version": 1
  }
}