Pith Number

pith:QUZ5AXNT

pith:2026:QUZ5AXNT4XC44COL5CEJX6YK54

not attested not anchored not stored refs pending

Beyond Spherical Wavefront: Near-Field Channel Estimation Under Wavefront Anisotropy

Heling Zhang, Shidong Zhou, Xiaofeng Zhong, Xiujun Zhang

arxiv:2605.22117 v1 · 2026-05-21 · 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{QUZ5AXNT4XC44COL5CEJX6YK54}

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	2026-05-22T01:04:26.716443Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8533d05db3e5c5ce09cbe8889bfb0aef230e4853a309ecda92f126b2e08218e5

Aliases

arxiv: 2605.22117 · arxiv_version: 2605.22117v1 · doi: 10.48550/arxiv.2605.22117 · pith_short_12: QUZ5AXNT4XC4 · pith_short_16: QUZ5AXNT4XC44COL · pith_short_8: QUZ5AXNT

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/QUZ5AXNT4XC44COL5CEJX6YK54 \
  | 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: 8533d05db3e5c5ce09cbe8889bfb0aef230e4853a309ecda92f126b2e08218e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "297943bd8e4ec125ccd859c69c7b140abaa2450489451220cbdcb4550eae991d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2026-05-21T07:49:34Z",
    "title_canon_sha256": "8754407cd88d4228b09a374da687e61638d38421180f91609191653a2a90a38a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.22117",
    "kind": "arxiv",
    "version": 1
  }
}