Pith Number

pith:FKWRTKYP

pith:2026:FKWRTKYPLZA6DJC43H6LYYQD2B

not attested not anchored not stored refs pending

Distributionally Faithful Imputation via Positive Semi-Definite Kernel Density Estimation

Alessandro Rudi, Andrea Basteri, Carlo Ciliberto

arxiv:2607.07767 v1 · 2026-07-08 · 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{FKWRTKYPLZA6DJC43H6LYYQD2B}

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	2026-07-10T00:18:58.678164Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2aad19ab0f5e41e1a45cd9fcbc6203d069985659c07174ab28d0a54feb74cbfd

Aliases

arxiv: 2607.07767 · arxiv_version: 2607.07767v1 · doi: 10.48550/arxiv.2607.07767 · pith_short_12: FKWRTKYPLZA6 · pith_short_16: FKWRTKYPLZA6DJC4 · pith_short_8: FKWRTKYP

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/FKWRTKYPLZA6DJC43H6LYYQD2B \
  | 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: 2aad19ab0f5e41e1a45cd9fcbc6203d069985659c07174ab28d0a54feb74cbfd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d49d52d854dc860abc39dd2a7b2e65647d1ad5e2011ced6bb1fcd6eeaa4c5f27",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2026-07-08T15:51:05Z",
    "title_canon_sha256": "f01abb920d2d45448bb74044d5e4a09275f0a5c18dbaa03882175c74042fe2a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.07767",
    "kind": "arxiv",
    "version": 1
  }
}