Pith Number

pith:WSRUITZC

pith:2026:WSRUITZCM7CDVVMLL7WHNI23L4

not attested not anchored not stored refs pending

Multifidelity-Augmented Gaussian Process Inputs for Surrogate Modeling from Scarce Data

Atticus Rex, David Peterson, Elizabeth Qian

arxiv:2603.22050 v2 · 2026-03-23 · 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{WSRUITZCM7CDVVMLL7WHNI23L4}

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	2026-06-25T01:18:37.502689Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4a3444f2267c43ad58b5fec76a35b5f11ba16f1647c8729c1d36c1fe664db83

Aliases

arxiv: 2603.22050 · arxiv_version: 2603.22050v2 · doi: 10.48550/arxiv.2603.22050 · pith_short_12: WSRUITZCM7CD · pith_short_16: WSRUITZCM7CDVVML · pith_short_8: WSRUITZC

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/WSRUITZCM7CDVVMLL7WHNI23L4 \
  | 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: b4a3444f2267c43ad58b5fec76a35b5f11ba16f1647c8729c1d36c1fe664db83

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b4b0706604816887ad33b9fb53ed9951f47f5b328f660a0abe60eabc50af4b6",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2026-03-23T14:49:38Z",
    "title_canon_sha256": "0a254243b1c7425bb5901a449f92c175af519cc22282eaa487448c9d65686e57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.22050",
    "kind": "arxiv",
    "version": 2
  }
}