Pith Number

pith:QAYOQPON

pith:2017:QAYOQPONC2HBCRVKWXJIXU3VZY

not attested not anchored not stored refs pending

Low-Complexity and High-Resolution DOA Estimation for Hybrid Analog and Digital Massive MIMO Receive Array

Feng Shu, Jun Li, Linqing Gui, Tingting Liu, Yaolu Qin, Yijin Zhang, Zhu Han

arxiv:1712.02085 v1 · 2017-12-06 · 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{QAYOQPONC2HBCRVKWXJIXU3VZY}

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	2026-05-18T00:28:39.230567Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8030e83dcd168e1146aab5d28bd375ce0556554bd405bf9f453cf2912ff44965

Aliases

arxiv: 1712.02085 · arxiv_version: 1712.02085v1 · doi: 10.48550/arxiv.1712.02085 · pith_short_12: QAYOQPONC2HB · pith_short_16: QAYOQPONC2HBCRVK · pith_short_8: QAYOQPON

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/QAYOQPONC2HBCRVKWXJIXU3VZY \
  | 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: 8030e83dcd168e1146aab5d28bd375ce0556554bd405bf9f453cf2912ff44965

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba81c6b1aca86fe3dea3c65b06329f548998a5a6e87dab565b8657182246acac",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-12-06T08:50:37Z",
    "title_canon_sha256": "12d6d9413095e86111a3930635da6250a89f005f0802d7cfcd39b324b7fb753d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.02085",
    "kind": "arxiv",
    "version": 1
  }
}