Pith Number

pith:RXFZ3NX2

pith:2026:RXFZ3NX2TGKGJAKVBKMRQQ5WXI

not attested not anchored not stored refs pending

A Kernel-Based Nonparametric Test for Conditional Independence of Functional Data

Bing Li, Yin Tang

arxiv:2603.13704 v2 · 2026-03-14 · stat.ME

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RXFZ3NX2TGKGJAKVBKMRQQ5WXI}

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	2026-06-04T01:09:48.469303Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8dcb9db6fa99946481550a991843b6ba3f28f8a1521112463d80916147067dab

Aliases

arxiv: 2603.13704 · arxiv_version: 2603.13704v2 · doi: 10.48550/arxiv.2603.13704 · pith_short_12: RXFZ3NX2TGKG · pith_short_16: RXFZ3NX2TGKGJAKV · pith_short_8: RXFZ3NX2

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/RXFZ3NX2TGKGJAKVBKMRQQ5WXI \
  | 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: 8dcb9db6fa99946481550a991843b6ba3f28f8a1521112463d80916147067dab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2490eb73bc13ff1586fcadabd0320b2204ab8a94562adad4364dfc4abea99a40",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2026-03-14T02:20:05Z",
    "title_canon_sha256": "2b8f7618c409005d70b512326d0d07fcbb7b1bc73112b0218ae410149115088b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.13704",
    "kind": "arxiv",
    "version": 2
  }
}