Pith Number

pith:623HDIMC

pith:2021:623HDIMCUK5V5EWJB6DCRXNWZ6

not attested not anchored not stored refs pending

DOA Estimation with Non-Uniform Linear Arrays: A Phase-Difference Projection Approach

Hui Chen, Tareq Y. Al-Naffouri, Tarig Ballal

arxiv:2102.03650 v2 · 2021-02-06 · 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{623HDIMCUK5V5EWJB6DCRXNWZ6}

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	2026-07-05T03:24:28.263479Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6b671a182a2bb5e92c90f8628ddb6cfaeb93e71aefd7f05db04d8303e7dc4c1

Aliases

arxiv: 2102.03650 · arxiv_version: 2102.03650v2 · doi: 10.48550/arxiv.2102.03650 · pith_short_12: 623HDIMCUK5V · pith_short_16: 623HDIMCUK5V5EWJ · pith_short_8: 623HDIMC

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/623HDIMCUK5V5EWJB6DCRXNWZ6 \
  | 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: f6b671a182a2bb5e92c90f8628ddb6cfaeb93e71aefd7f05db04d8303e7dc4c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cad829530fc4f3b8884d11e81a7a1e1c26d3d2d7c5b94798b3b9a989a95df9d9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2021-02-06T19:45:05Z",
    "title_canon_sha256": "e88f8b531c05ab479c5bedf240866b22bd7b89256e1ae595344f9e42ab2e32cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.03650",
    "kind": "arxiv",
    "version": 2
  }
}