Pith Number

pith:RK4SISGF

pith:2017:RK4SISGFRVWOSB7IMRBDDRZD2I

not attested not anchored not stored refs pending

DPCA: Dimensionality Reduction for Discriminative Analytics of Multiple Large-Scale Datasets

Gang Wang, Georgios B. Giannakis, Jia Chen

arxiv:1710.09429 v1 · 2017-10-25 · 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{RK4SISGFRVWOSB7IMRBDDRZD2I}

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	2026-05-18T00:31:59.390627Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ab92448c58d6ce907e8644231c723d22ac64c457d26ac8e3cbb1b7aaaaa5c37

Aliases

arxiv: 1710.09429 · arxiv_version: 1710.09429v1 · doi: 10.48550/arxiv.1710.09429 · pith_short_12: RK4SISGFRVWO · pith_short_16: RK4SISGFRVWOSB7I · pith_short_8: RK4SISGF

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/RK4SISGFRVWOSB7IMRBDDRZD2I \
  | 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: 8ab92448c58d6ce907e8644231c723d22ac64c457d26ac8e3cbb1b7aaaaa5c37

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8697a1ee567cb31d47d4f1829fd3731f6811928a9750957985026092d9149d5",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2017-10-25T19:24:37Z",
    "title_canon_sha256": "c2147948936f8eb1bf044056d237a7cb6d5d73d1d1fc4414070245c092a094c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.09429",
    "kind": "arxiv",
    "version": 1
  }
}