Pith Number

pith:HHO4TFRD

pith:2020:HHO4TFRDWTBKFNBD4KQCXJESV4

not attested not anchored not stored refs pending

Online Structural Change-point Detection of High-dimensional Streaming Data via Dynamic Sparse Subspace Learning

Jianguo Wu, Ruiyu Xu, Xiaowei Yue, Yongxiang Li

arxiv:2009.11713 v3 · 2020-09-24 · stat.ML · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HHO4TFRDWTBKFNBD4KQCXJESV4}

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	2026-07-05T04:13:21.125867Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39ddc99623b4c2a2b423e2a02ba492af0b75bf81f6723a427903735b76182f0e

Aliases

arxiv: 2009.11713 · arxiv_version: 2009.11713v3 · doi: 10.48550/arxiv.2009.11713 · pith_short_12: HHO4TFRDWTBK · pith_short_16: HHO4TFRDWTBKFNBD · pith_short_8: HHO4TFRD

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/HHO4TFRDWTBKFNBD4KQCXJESV4 \
  | 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: 39ddc99623b4c2a2b423e2a02ba492af0b75bf81f6723a427903735b76182f0e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0583cd8c5c89fe36f9ebcdf1bf645d18a82fb2a82880721d52b9ec8d51a57cc7",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2020-09-24T14:16:18Z",
    "title_canon_sha256": "17f462fae2112751bff73eae08d3d55c4cdbc3c8f377308afe42fed8aaff3988"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.11713",
    "kind": "arxiv",
    "version": 3
  }
}