Pith Number

pith:B4QGTC7K

pith:2018:B4QGTC7KAG55LDROSMB5GXYOYU

not attested not anchored not stored refs pending

Goal-oriented adaptive surrogate construction for stochastic inversion

Barbara Wohlmuth, Steven Mattis

arxiv:1802.10487 v2 · 2018-02-28 · 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{B4QGTC7KAG55LDROSMB5GXYOYU}

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	2026-05-18T00:11:37.811956Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f20698bea01bbd58e2e9303d35f0ec53e5dc1cf93474451769ff20d43c14bd9

Aliases

arxiv: 1802.10487 · arxiv_version: 1802.10487v2 · doi: 10.48550/arxiv.1802.10487 · pith_short_12: B4QGTC7KAG55 · pith_short_16: B4QGTC7KAG55LDRO · pith_short_8: B4QGTC7K

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/B4QGTC7KAG55LDROSMB5GXYOYU \
  | 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: 0f20698bea01bbd58e2e9303d35f0ec53e5dc1cf93474451769ff20d43c14bd9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6a54f57c553a766c7f1588e5a6caa783ba1da1085f950cabd37c20819355c68",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-02-28T15:47:42Z",
    "title_canon_sha256": "7928f5f1159a15a762bcebed808bc12b99441943a50cbb1288ae4b271a62e022"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.10487",
    "kind": "arxiv",
    "version": 2
  }
}