Pith Number

pith:DLEKG5PH

pith:2019:DLEKG5PHQF5Z7JZFK5I7LAUXV4

not attested not anchored not stored refs pending

Optimal Penalized Function-on-Function Regression under a Reproducing Kernel Hilbert Space Framework

Pang Du, Ping Ma, Xiao Wang, Xiaoxiao Sun

arxiv:1902.03674 v1 · 2019-02-10 · 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{DLEKG5PHQF5Z7JZFK5I7LAUXV4}

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	2026-05-17T23:54:19.967696Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ac8a375e7817b9fa7255751f58297af24e5f20a127c1b35b48c67d951a62eeb

Aliases

arxiv: 1902.03674 · arxiv_version: 1902.03674v1 · doi: 10.48550/arxiv.1902.03674 · pith_short_12: DLEKG5PHQF5Z · pith_short_16: DLEKG5PHQF5Z7JZF · pith_short_8: DLEKG5PH

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/DLEKG5PHQF5Z7JZFK5I7LAUXV4 \
  | 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: 1ac8a375e7817b9fa7255751f58297af24e5f20a127c1b35b48c67d951a62eeb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4ae3157bb5f834c3c69d07080862926307d457110bfbfbd52516b8372317707",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2019-02-10T21:35:19Z",
    "title_canon_sha256": "d33522ebfa901f2834404a0348071aee9a71d2966ed63714c9caf0fde14d646b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.03674",
    "kind": "arxiv",
    "version": 1
  }
}