Pith Number

pith:A3723MUB

pith:2019:A3723MUBUDMNZUSGOE4RWQK6I4

not attested not anchored not stored refs pending

A Block Alternating Optimization Method for Direction-of-Arrival Estimation with Nested Array

Chunlei Zhao, Xing-Peng Mao, Yong-Tan Liu, Yunmei Shi

arxiv:1904.05534 v1 · 2019-04-11 · 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{A3723MUBUDMNZUSGOE4RWQK6I4}

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	2026-05-17T23:48:49.234694Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06ffadb281a0d8dcd24671391b415e473d6ac790fe416fa39059efd2ec2e2bae

Aliases

arxiv: 1904.05534 · arxiv_version: 1904.05534v1 · doi: 10.48550/arxiv.1904.05534 · pith_short_12: A3723MUBUDMN · pith_short_16: A3723MUBUDMNZUSG · pith_short_8: A3723MUB

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/A3723MUBUDMNZUSGOE4RWQK6I4 \
  | 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: 06ffadb281a0d8dcd24671391b415e473d6ac790fe416fa39059efd2ec2e2bae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad0502008e74238435492ba9c0644b99ed7d561720ab2cef64e6bf9f74380a82",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2019-04-11T05:09:47Z",
    "title_canon_sha256": "731ed1bae5c517662d0c111cbf877a92a7268c82b112e003eb3763cee0203609"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.05534",
    "kind": "arxiv",
    "version": 1
  }
}