Pith Number

pith:6P3Q4VWQ

pith:2016:6P3Q4VWQDPWL3DSCWO6YABL3HR

not attested not anchored not stored refs pending

GTApprox: surrogate modeling for industrial design

Dmitry Vetrov, Dmitry Yarotsky, Ermek Kapushev, Evgeny Burnaev, Maxim Panov, Mikhail Belyaev, Pavel Prikhodko

arxiv:1609.01088 v1 · 2016-09-05 · cs.MS · cs.CE · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6P3Q4VWQDPWL3DSCWO6YABL3HR}

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	2026-05-18T01:06:19.073442Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3f70e56d01becbd8e42b3bd80057b3c7baa32674f6ead9754a3d35e86e53123

Aliases

arxiv: 1609.01088 · arxiv_version: 1609.01088v1 · doi: 10.48550/arxiv.1609.01088 · pith_short_12: 6P3Q4VWQDPWL · pith_short_16: 6P3Q4VWQDPWL3DSC · pith_short_8: 6P3Q4VWQ

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/6P3Q4VWQDPWL3DSCWO6YABL3HR \
  | 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: f3f70e56d01becbd8e42b3bd80057b3c7baa32674f6ead9754a3d35e86e53123

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35bd4a4c598659608580366f811219c9932eb0a17b029941f1aa8027dcee64a4",
    "cross_cats_sorted": [
      "cs.CE",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2016-09-05T10:41:14Z",
    "title_canon_sha256": "2226fa07f20875c00a57d5e9337a04bb45747ecb06319f952adc243b9d8fc662"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.01088",
    "kind": "arxiv",
    "version": 1
  }
}