Pith Number

pith:KIQKDXLP

pith:2019:KIQKDXLP2BWX7LBF3WQJ3CDWXT

not attested not anchored not stored refs pending

Compressed Subspace Learning Based on Canonical Angle Preserving Property

Gen Li, Yuantao Gu, Yuchen Jiao

arxiv:1907.06166 v2 · 2019-07-14 · cs.LG · cs.IT · math.IT · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KIQKDXLP2BWX7LBF3WQJ3CDWXT}

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	2026-05-17T23:39:39.244229Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5220a1dd6fd06d7fac25dda09d8876bcf02e011048cbeea8946ceb7c4b00b128

Aliases

arxiv: 1907.06166 · arxiv_version: 1907.06166v2 · doi: 10.48550/arxiv.1907.06166 · pith_short_12: KIQKDXLP2BWX · pith_short_16: KIQKDXLP2BWX7LBF · pith_short_8: KIQKDXLP

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/KIQKDXLP2BWX7LBF3WQJ3CDWXT \
  | 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: 5220a1dd6fd06d7fac25dda09d8876bcf02e011048cbeea8946ceb7c4b00b128

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6dd6764189fcc603fb65926228d406a2f08d52440e4a3cb4e2dd94993408d69",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-07-14T05:01:05Z",
    "title_canon_sha256": "062df209a8ff5f43ca95a95aecd4278e2e9ce571344ee8ee96a5021c5d1329a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.06166",
    "kind": "arxiv",
    "version": 2
  }
}