Pith Number

pith:UB4BLKWO

pith:2023:UB4BLKWOFFOZJEFB3ZFDIOSU3W

not attested not anchored not stored refs pending

Kernel Selection for Gaussian Process in Cosmology: with Approximate Bayesian Computation Rejection and Nested Sampling

Hao Zhang, Ting-Ting Zhang, Tong-Jie Zhang, Yu-Chen Wang

arxiv:2304.03911 v1 · 2023-04-08 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UB4BLKWOFFOZJEFB3ZFDIOSU3W}

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.

Cited by

1 paper in Pith

Comparative Analysis of EMCEE, Gaussian Process, and Masked Autoregressive Flow in Constraining the Hubble Constant Using Cosmic Chronometers Dataset

Receipt and verification

First computed	2026-07-05T06:17:49.792406Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a07815aace295d9490a1de4a343a54ddb55ec2a3c72631c9886d72231aa5af68

Aliases

arxiv: 2304.03911 · arxiv_version: 2304.03911v1 · doi: 10.48550/arxiv.2304.03911 · pith_short_12: UB4BLKWOFFOZ · pith_short_16: UB4BLKWOFFOZJEFB · pith_short_8: UB4BLKWO

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/UB4BLKWOFFOZJEFB3ZFDIOSU3W \
  | 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: a07815aace295d9490a1de4a343a54ddb55ec2a3c72631c9886d72231aa5af68

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa25f19924a59fe121de7c9e38a0f2d1de5a9356ecf558552acdc0ca2930d13b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2023-04-08T04:57:40Z",
    "title_canon_sha256": "a646bac9946ac7db9253f6e406cb93557a2985cca4fe76981553bfb5513c3496"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.03911",
    "kind": "arxiv",
    "version": 1
  }
}