Pith Number

pith:D5C4XUOZ

pith:2015:D5C4XUOZW4EIDIBGZVF635ROKM

not attested not anchored not stored refs pending

Sequential Design for Ranking Response Surfaces

Mike Ludkovski, Ruimeng Hu

arxiv:1509.00980 v2 · 2015-09-03 · stat.ML · q-fin.CP · stat.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{D5C4XUOZW4EIDIBGZVF635ROKM}

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	2026-05-18T00:32:55.714288Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f45cbd1d9b70881a026cd4bedf62e53269cd0908e35efb2a82f857b72028bf7

Aliases

arxiv: 1509.00980 · arxiv_version: 1509.00980v2 · doi: 10.48550/arxiv.1509.00980 · pith_short_12: D5C4XUOZW4EI · pith_short_16: D5C4XUOZW4EIDIBG · pith_short_8: D5C4XUOZ

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/D5C4XUOZW4EIDIBGZVF635ROKM \
  | 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: 1f45cbd1d9b70881a026cd4bedf62e53269cd0908e35efb2a82f857b72028bf7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffc906888a85680de600b4220596e58a5fe76f864bbf90a051a6fdcd1c9c4be2",
    "cross_cats_sorted": [
      "q-fin.CP",
      "stat.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2015-09-03T08:27:20Z",
    "title_canon_sha256": "e9a9e08433ca3b6e52dd3b04895cf5707269dbe5413ac3063f19d38beb99eb45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.00980",
    "kind": "arxiv",
    "version": 2
  }
}