Pith Number

pith:5RLLF6KA

pith:2016:5RLLF6KAZ7GWASTQVNTHV4IUYF

not attested not anchored not stored refs pending

DOA Estimation of Coherent Signals on Coprime Arrays Exploiting Fourth-Order Cumulants

Xiqin Wang, Yang Hu, Yimin Liu

arxiv:1612.06537 v4 · 2016-12-20 · 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{5RLLF6KAZ7GWASTQVNTHV4IUYF}

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	2026-05-18T00:52:22.348010Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec56b2f940cfcd604a70ab667af114c15defb019fbf0e00acc5bedffc30a5b65

Aliases

arxiv: 1612.06537 · arxiv_version: 1612.06537v4 · doi: 10.48550/arxiv.1612.06537 · pith_short_12: 5RLLF6KAZ7GW · pith_short_16: 5RLLF6KAZ7GWASTQ · pith_short_8: 5RLLF6KA

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/5RLLF6KAZ7GWASTQVNTHV4IUYF \
  | 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: ec56b2f940cfcd604a70ab667af114c15defb019fbf0e00acc5bedffc30a5b65

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6de284efb6709d12b17c053c0de83133b8ba7a54d3e6a7ca27afc0e858a369cc",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-12-20T07:57:09Z",
    "title_canon_sha256": "e7344d28297de40bece581f6ed509055703659c4a595980d2a998f245b467296"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.06537",
    "kind": "arxiv",
    "version": 4
  }
}