Pith Number

pith:A5EPYH5D

pith:2026:A5EPYH5DUHCDJ2XQXTNS6VIWID

not attested not anchored not stored refs pending

Non-Square UPA-Enabled XL-MIMO Systems: Anisotropic Near-Field Characterization, Fundamental Limits, and Channel Estimation

Jing Xu, Jun Zhang, Shi Jin, Xi Yang, Yilong Liu

arxiv:2607.18736 v1 · 2026-07-21 · eess.SP · cs.IT · 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{A5EPYH5DUHCDJ2XQXTNS6VIWID}

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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	2026-07-22T01:23:09.148925Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0748fc1fa3a1c434eaf0bcdb2f551640f95e9470d7ef5d1acb0f894bfc52a112

Aliases

arxiv: 2607.18736 · arxiv_version: 2607.18736v1 · doi: 10.48550/arxiv.2607.18736 · pith_short_12: A5EPYH5DUHCD · pith_short_16: A5EPYH5DUHCDJ2XQ · pith_short_8: A5EPYH5D

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/A5EPYH5DUHCDJ2XQXTNS6VIWID \
  | 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: 0748fc1fa3a1c434eaf0bcdb2f551640f95e9470d7ef5d1acb0f894bfc52a112

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67a312d823b7bc060395e2dd598e53a666e69745a1450ed4ab1f56900aab767f",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2026-07-21T05:51:12Z",
    "title_canon_sha256": "4fcb07802839da2507e87822d035506e464946d19fb9a47c282f3cdd9a2b5646"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.18736",
    "kind": "arxiv",
    "version": 1
  }
}