Pith Number

pith:JSHQLAVD

pith:2019:JSHQLAVD54BRSAQJHGKXYJYCB2

not attested not anchored not stored refs pending

Transition Subspace Learning based Least Squares Regression for Image Classification

Josef Kittler, Xiao-Jun Wu, Zhe Chen

arxiv:1905.05445 v2 · 2019-05-14 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JSHQLAVD54BRSAQJHGKXYJYCB2}

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	2026-05-17T23:43:22.940813Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c8f0582a3ef0319020939957c27020eb2d9de18e99226f99440bb4bf46db92f

Aliases

arxiv: 1905.05445 · arxiv_version: 1905.05445v2 · doi: 10.48550/arxiv.1905.05445 · pith_short_12: JSHQLAVD54BR · pith_short_16: JSHQLAVD54BRSAQJ · pith_short_8: JSHQLAVD

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/JSHQLAVD54BRSAQJHGKXYJYCB2 \
  | 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: 4c8f0582a3ef0319020939957c27020eb2d9de18e99226f99440bb4bf46db92f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1292f0ca10b48bc645f53b5a4c6219ddf3377797eaf4d18a990d946bfa52c4b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-05-14T08:23:07Z",
    "title_canon_sha256": "24fd510b1ea93a71d5bb3ad2088546a4d378a0bb06def2eb0b1136f9205313a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.05445",
    "kind": "arxiv",
    "version": 2
  }
}