Pith Number

pith:YRS7BI25

pith:2025:YRS7BI25JN3IRC44WOEJYV2CIR

not attested not anchored not stored refs pending

Massive MIMO-OFDM Channel Acquisition with Time-Frequency Phase-Shifted Pilots

Ding Shi, Jinke Tang, Jiyuan Yang, Li You, Peigang Jiang, Xiang-Gen Xia, Xinwei Zhao, Xiqi Gao

arxiv:2505.04933 v1 · 2025-05-08 · 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{YRS7BI25JN3IRC44WOEJYV2CIR}

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	2026-07-05T11:24:19.662242Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c465f0a35d4b76888b9cb3889c5742445c18c61f5c307750e7761815987d26fa

Aliases

arxiv: 2505.04933 · arxiv_version: 2505.04933v1 · doi: 10.48550/arxiv.2505.04933 · pith_short_12: YRS7BI25JN3I · pith_short_16: YRS7BI25JN3IRC44 · pith_short_8: YRS7BI25

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/YRS7BI25JN3IRC44WOEJYV2CIR \
  | 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: c465f0a35d4b76888b9cb3889c5742445c18c61f5c307750e7761815987d26fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "abda7ada6473d836924e6370869d9e4a99cb65bad3bf20d66312ec63287c76cc",
    "cross_cats_sorted": [
      "eess.SP",
      "math.IT"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2025-05-08T04:24:21Z",
    "title_canon_sha256": "0dcd0e0ec14c458d6b77d58f138c37040b306ad23627df4cda449eab5bfd52b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.04933",
    "kind": "arxiv",
    "version": 1
  }
}