Pith Number

pith:NPYODTS7

pith:2013:NPYODTS74IZ5OS6KSHSBZWQHFK

not attested not anchored not stored refs pending

Robust Adaptive Beamforming Based on Low-Complexity Shrinkage-Based Mismatch Estimation

Hang Ruan, Rodrigo C. de Lamare

arxiv:1311.2331 v1 · 2013-11-11 · 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{NPYODTS74IZ5OS6KSHSBZWQHFK}

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	2026-05-18T01:46:32.514947Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bf0e1ce5fe233d74bca91e41cda072a88a6d3d12bab1f972cb7733c75c9d0d8

Aliases

arxiv: 1311.2331 · arxiv_version: 1311.2331v1 · doi: 10.48550/arxiv.1311.2331 · pith_short_12: NPYODTS74IZ5 · pith_short_16: NPYODTS74IZ5OS6K · pith_short_8: NPYODTS7

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/NPYODTS74IZ5OS6KSHSBZWQHFK \
  | 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: 6bf0e1ce5fe233d74bca91e41cda072a88a6d3d12bab1f972cb7733c75c9d0d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29ab9f5346220f673cd61a1a6bf28a459e052095bf01286b8935875d633ef9a4",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-11-11T02:05:00Z",
    "title_canon_sha256": "b36f28c1c23231c4b2f5ac992118b7f8ffc52103817ef1cc505717e271df322c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.2331",
    "kind": "arxiv",
    "version": 1
  }
}