Pith Number

pith:RTHCNXLK

pith:2026:RTHCNXLKGT5YQCZX4Y6M6IY6I5

not attested not anchored not stored refs pending

Active Quantum Kernel Acquisition for Gaussian Process Regression

Delu Zeng, Jian Xu, Qibin Zhao

arxiv:2606.28833 v1 · 2026-06-27 · 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{RTHCNXLKGT5YQCZX4Y6M6IY6I5}

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	2026-06-30T01:16:53.635732Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8cce26dd6a34fb880b37e63ccf231e4768bd6417ef542da21aae0c07c000589d

Aliases

arxiv: 2606.28833 · arxiv_version: 2606.28833v1 · doi: 10.48550/arxiv.2606.28833 · pith_short_12: RTHCNXLKGT5Y · pith_short_16: RTHCNXLKGT5YQCZX · pith_short_8: RTHCNXLK

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/RTHCNXLKGT5YQCZX4Y6M6IY6I5 \
  | 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: 8cce26dd6a34fb880b37e63ccf231e4768bd6417ef542da21aae0c07c000589d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb38ad1664981e5a53fcf7ea19d744e03756351923de19670711110b1c564a71",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-27T09:40:20Z",
    "title_canon_sha256": "fbfdeddc9fad8b679f41056490aeb0bba1ee9064823507236edc0628529f6334"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.28833",
    "kind": "arxiv",
    "version": 1
  }
}