Pith Number

pith:64JHGUTB

pith:2025:64JHGUTBOGRLLKXKAK2KKEZ3ZB

not attested not anchored not stored refs pending

GP-Recipe: Gaussian Process approximation to linear operations in numerical methods

Christopher DeGrendele, Dongwook Lee

arxiv:2506.03471 v2 · 2025-06-04 · physics.comp-ph · cs.NA · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{64JHGUTBOGRLLKXKAK2KKEZ3ZB}

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	2026-07-05T11:17:24.688471Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f71273526171a2b5aaea02b4a5133bc851c9f2d09fdad7ef26cf9dc720035d4f

Aliases

arxiv: 2506.03471 · arxiv_version: 2506.03471v2 · doi: 10.48550/arxiv.2506.03471 · pith_short_12: 64JHGUTBOGRL · pith_short_16: 64JHGUTBOGRLLKXK · pith_short_8: 64JHGUTB

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/64JHGUTBOGRLLKXKAK2KKEZ3ZB \
  | 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: f71273526171a2b5aaea02b4a5133bc851c9f2d09fdad7ef26cf9dc720035d4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10cb62d8fdd6e384d7a0b92d225f3c344ac6379483e8588082ee9fd0b97230bd",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2025-06-04T00:59:53Z",
    "title_canon_sha256": "a622893d4caa37a1366551e364c593d50f0c45aaa6b6fbed5d7947b0f91a70c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.03471",
    "kind": "arxiv",
    "version": 2
  }
}