Pith Number

pith:G53AWPZG

pith:2016:G53AWPZGLBX5TK6ZMNIOYHYEYE

not attested not anchored not stored refs pending

Efficient Reduced-Rank DOA Estimation Algorithms Using Alternating Low-Rank Decompositions

Linzheng Qiu, Minjian Zhao, Rodrigo C. de Lamare, Yunlong Cai

arxiv:1604.04321 v1 · 2016-04-15 · 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{G53AWPZGLBX5TK6ZMNIOYHYEYE}

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	2026-05-18T01:17:04.524447Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37760b3f26586fd9abd96350ec1f04c12d15d95673762ad06983c46d1b41b0be

Aliases

arxiv: 1604.04321 · arxiv_version: 1604.04321v1 · doi: 10.48550/arxiv.1604.04321 · pith_short_12: G53AWPZGLBX5 · pith_short_16: G53AWPZGLBX5TK6Z · pith_short_8: G53AWPZG

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/G53AWPZGLBX5TK6ZMNIOYHYEYE \
  | 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: 37760b3f26586fd9abd96350ec1f04c12d15d95673762ad06983c46d1b41b0be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4980cd7027ff9ad2a8c50e286bc9439c30276a6f4cba8d453b70df974a0c8274",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-04-15T00:44:44Z",
    "title_canon_sha256": "686186d73e69539a231861316e58b9aad51dfd8d0de2b4117043ae031a8e32f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.04321",
    "kind": "arxiv",
    "version": 1
  }
}