Pith Number

pith:GMHVCGQJ

pith:2012:GMHVCGQJUTOE5SS7QP4EZXJVTL

not attested not anchored not stored refs pending

Efficient response surface methods based on generic surrogate models

Benjamin Rosenbaum, Volker Schulz

arxiv:1206.4172 v1 · 2012-06-19 · 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{GMHVCGQJUTOE5SS7QP4EZXJVTL}

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	2026-05-18T03:53:16.555603Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

330f511a09a4dc4eca5f83f84cdd359ac0c9a39410e60e62a40827a7e564c0d4

Aliases

arxiv: 1206.4172 · arxiv_version: 1206.4172v1 · doi: 10.48550/arxiv.1206.4172 · pith_short_12: GMHVCGQJUTOE · pith_short_16: GMHVCGQJUTOE5SS7 · pith_short_8: GMHVCGQJ

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/GMHVCGQJUTOE5SS7QP4EZXJVTL \
  | 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: 330f511a09a4dc4eca5f83f84cdd359ac0c9a39410e60e62a40827a7e564c0d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2db2dd658f0acea8467c97c51a4de25a7cefb8a96029754fd7919b39a97758b8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2012-06-19T10:34:40Z",
    "title_canon_sha256": "1c927c3279e88176b0be738d81891a0083deed9091e1fe3626833f7fcb42c37f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.4172",
    "kind": "arxiv",
    "version": 1
  }
}