Pith Number

pith:VDLEM6EJ

pith:2014:VDLEM6EJZJET2CA5MHGH72JE7V

not attested not anchored not stored refs pending

DOA Estimation in Partially Correlated Noise Using Low-Rank/Sparse Matrix Decomposition

Ali Koochakzadeh, Arash Owrang, Magnus Jansson, Massoud Babaie-Zadeh, Mohammadreza Malek-Mohammadi

arxiv:1405.0674 v1 · 2014-05-04 · 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{VDLEM6EJZJET2CA5MHGH72JE7V}

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	2026-05-18T00:59:03.048335Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8d6467889ca493d081d61cc7fe924fd65df076715178539d1637323786c84be

Aliases

arxiv: 1405.0674 · arxiv_version: 1405.0674v1 · doi: 10.48550/arxiv.1405.0674 · pith_short_12: VDLEM6EJZJET · pith_short_16: VDLEM6EJZJET2CA5 · pith_short_8: VDLEM6EJ

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/VDLEM6EJZJET2CA5MHGH72JE7V \
  | 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: a8d6467889ca493d081d61cc7fe924fd65df076715178539d1637323786c84be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe7df491671d5a3f41a74bda5b8e91084a21c8eba1517502f7240cbaa9ff36e6",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-05-04T09:36:33Z",
    "title_canon_sha256": "c31f05f0f543bfae47035a757f94cff98a3d6d489034f168c574822c5c9a0663"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.0674",
    "kind": "arxiv",
    "version": 1
  }
}