Pith Number

pith:LF52XIXZ

pith:2017:LF52XIXZEZTR5TD3IR35447TDM

not attested not anchored not stored refs pending

Microphone Subset Selection for MVDR Beamformer Based Noise Reduction

Jie Zhang, Richard C. Hendriks, Richard Heusdens, Sundeep Prabhakar Chepuri

arxiv:1705.08255 v1 · 2017-05-16 · cs.SD

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LF52XIXZEZTR5TD3IR35447TDM}

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	2026-05-18T00:43:48.907500Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

597baba2f926671ecc7b4477de73f31b3e57c6304197e24867c489d88b0cd41c

Aliases

arxiv: 1705.08255 · arxiv_version: 1705.08255v1 · doi: 10.48550/arxiv.1705.08255 · pith_short_12: LF52XIXZEZTR · pith_short_16: LF52XIXZEZTR5TD3 · pith_short_8: LF52XIXZ

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/LF52XIXZEZTR5TD3IR35447TDM \
  | 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: 597baba2f926671ecc7b4477de73f31b3e57c6304197e24867c489d88b0cd41c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "553ff4e72fdf1b7048534a67b3b84ccbe61fcadcec23c8e5d2d33f6d35e031f7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2017-05-16T14:26:33Z",
    "title_canon_sha256": "d6fa3f4d1c14db6ec9634f94bcd7d941dea364931e8bac7a8b740fb61780b7fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.08255",
    "kind": "arxiv",
    "version": 1
  }
}