Pith Number

pith:NTDYSDWV

pith:2019:NTDYSDWVL6JGL2QB7RL2TR7BOW

not attested not anchored not stored refs pending

Emulating computer models with step-discontinuous outputs using Gaussian processes

Daniel Williamson, Hossein Mohammadi, Marc Goodfellow, Peter Challenor

arxiv:1903.02071 v4 · 2019-03-05 · 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{NTDYSDWVL6JGL2QB7RL2TR7BOW}

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	2026-07-05T01:39:24.001718Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6cc7890ed55f9265ea01fc57a9c7e1758e3fffc0858f8b9416cad9e9c15cb873

Aliases

arxiv: 1903.02071 · arxiv_version: 1903.02071v4 · doi: 10.48550/arxiv.1903.02071 · pith_short_12: NTDYSDWVL6JG · pith_short_16: NTDYSDWVL6JGL2QB · pith_short_8: NTDYSDWV

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/NTDYSDWVL6JGL2QB7RL2TR7BOW \
  | 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: 6cc7890ed55f9265ea01fc57a9c7e1758e3fffc0858f8b9416cad9e9c15cb873

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3d67be8b50457b506f4091b7a7b905383abf679129e7c36bf957e119c0aeec1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2019-03-05T21:41:56Z",
    "title_canon_sha256": "43e4edd15ef64adc459b994b13b0b5a5be198cde38b1ac2f7e233396c505fd5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.02071",
    "kind": "arxiv",
    "version": 4
  }
}