Pith Number

pith:KK2QQI4R

pith:2019:KK2QQI4R3NQYVHBJXVGW4ZXCZK

not attested not anchored not stored refs pending

Sinkhorn Divergence of Topological Signature Estimates for Time Series Classification

Colin Stephen

arxiv:1902.05326 v1 · 2019-02-14 · cs.LG · nlin.CD · 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{KK2QQI4R3NQYVHBJXVGW4ZXCZK}

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	2026-05-17T23:54:01.203201Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52b5082391db618a9c29bd4d6e66e2ca9e4d31876ea3546edd2a0b6e63296a22

Aliases

arxiv: 1902.05326 · arxiv_version: 1902.05326v1 · doi: 10.48550/arxiv.1902.05326 · pith_short_12: KK2QQI4R3NQY · pith_short_16: KK2QQI4R3NQYVHBJ · pith_short_8: KK2QQI4R

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/KK2QQI4R3NQYVHBJXVGW4ZXCZK \
  | 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: 52b5082391db618a9c29bd4d6e66e2ca9e4d31876ea3546edd2a0b6e63296a22

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f02447c365de499f8d9dd27c2f9c0dbf41e8ccc2a293d9b39d65c9f434b17e18",
    "cross_cats_sorted": [
      "nlin.CD",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-02-14T12:27:33Z",
    "title_canon_sha256": "f3322075afe3755f46c4421cdd10c221a2a0bd79cf2055c853fe5e48b2ea35a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.05326",
    "kind": "arxiv",
    "version": 1
  }
}