Pith Number

pith:TBMPDFAA

pith:2022:TBMPDFAAIY5MUA3WMZXUJONTHW

not attested not anchored not stored refs pending

Learning Sinkhorn divergences for supervised change point detection

Eva L. Dyer, Keith B. Hengen, Mark A. Davenport, Nauman Ahad, Yao Xie

arxiv:2202.04000 v3 · 2022-02-08 · 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{TBMPDFAAIY5MUA3WMZXUJONTHW}

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	2026-07-05T03:55:52.758179Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9858f19400463aca0376666f44b9b33d8ce093b1989a93e86ab394d32d2ea9f3

Aliases

arxiv: 2202.04000 · arxiv_version: 2202.04000v3 · doi: 10.48550/arxiv.2202.04000 · pith_short_12: TBMPDFAAIY5M · pith_short_16: TBMPDFAAIY5MUA3W · pith_short_8: TBMPDFAA

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/TBMPDFAAIY5MUA3WMZXUJONTHW \
  | 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: 9858f19400463aca0376666f44b9b33d8ce093b1989a93e86ab394d32d2ea9f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9fd91925b9098f5e0d0e7386e63047683f60435f4b5102084d3e72954e57f9d9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-02-08T17:11:40Z",
    "title_canon_sha256": "32ce6442290b65129add78b6c49aa558ac1dc89ef9e0d2ef17c3d9a49fd43f93"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.04000",
    "kind": "arxiv",
    "version": 3
  }
}