Pith Number

pith:ZMEHE7AY

pith:2026:ZMEHE7AYKXKIQXJI6FD3KFU76C

not attested not anchored not stored refs pending

From DPPs to $k$-DPPs: identifiability analysis via spectral decomposition

Hideitsu Hino, Keisuke Yano

arxiv:2605.25526 v1 · 2026-05-25 · stat.ML · 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{ZMEHE7AYKXKIQXJI6FD3KFU76C}

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	2026-05-26T02:04:41.030501Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb08727c1855d4885d28f147b5169ff098e0521da78a7dea4ee57d2c7f6c7a4b

Aliases

arxiv: 2605.25526 · arxiv_version: 2605.25526v1 · doi: 10.48550/arxiv.2605.25526 · pith_short_12: ZMEHE7AYKXKI · pith_short_16: ZMEHE7AYKXKIQXJI · pith_short_8: ZMEHE7AY

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/ZMEHE7AYKXKIQXJI6FD3KFU76C \
  | 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: cb08727c1855d4885d28f147b5169ff098e0521da78a7dea4ee57d2c7f6c7a4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6dd89749a5cf1e2ffa286c36d6ac14fe5f059a123911ca3d39bb0f7e81c3fe39",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2026-05-25T07:31:12Z",
    "title_canon_sha256": "a3965315252edd01b6e415d28ac3cc90f95782742d678247e59e51cabbe37aed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.25526",
    "kind": "arxiv",
    "version": 1
  }
}