Pith Number

pith:CQFJM2CS

pith:2025:CQFJM2CSIM3BKR2XEF7HZYZ6CW

not attested not anchored not stored refs pending

Bootstrap Deep Spectral Clustering with Optimal Transport

Christian B\"ohm, Chunchun Chen, Claudia Plant, Susanto Rahardja, Wei Ye, Wengang Guo, Xin Sun

arxiv:2508.04200 v1 · 2025-08-06 · cs.CV · 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{CQFJM2CSIM3BKR2XEF7HZYZ6CW}

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	2026-07-05T11:49:22.705839Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

140a9668524336154757217e7ce33e159364f294b917a639e3e4dfbdc05e5b6a

Aliases

arxiv: 2508.04200 · arxiv_version: 2508.04200v1 · doi: 10.48550/arxiv.2508.04200 · pith_short_12: CQFJM2CSIM3B · pith_short_16: CQFJM2CSIM3BKR2X · pith_short_8: CQFJM2CS

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/CQFJM2CSIM3BKR2XEF7HZYZ6CW \
  | 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: 140a9668524336154757217e7ce33e159364f294b917a639e3e4dfbdc05e5b6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3994265e850906ad7b485c39534dd03f135215ae5a6da6d0a8d66500bdc4cf35",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-08-06T08:30:30Z",
    "title_canon_sha256": "2dea10982e5eebd75f135b8c64d62d389ac5abcacf1d1081802937c9f7021466"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.04200",
    "kind": "arxiv",
    "version": 1
  }
}