Pith Number

pith:OUKPYOTF

pith:2015:OUKPYOTF44XMK2BS42OJL6UZO7

not attested not anchored not stored refs pending

Stochastic Optimization Using a Trust-Region Method and Random Models

Katya Scheinberg, Matt Menickelly, Ruobing Chen

arxiv:1504.04231 v2 · 2015-04-16 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OUKPYOTF44XMK2BS42OJL6UZO7}

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	2026-05-18T01:04:01.347329Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7514fc3a65e72ec56832e69c95fa9977d4959451ca5a3d89bfc5c4074c05b6dd

Aliases

arxiv: 1504.04231 · arxiv_version: 1504.04231v2 · doi: 10.48550/arxiv.1504.04231 · pith_short_12: OUKPYOTF44XM · pith_short_16: OUKPYOTF44XMK2BS · pith_short_8: OUKPYOTF

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/OUKPYOTF44XMK2BS42OJL6UZO7 \
  | 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: 7514fc3a65e72ec56832e69c95fa9977d4959451ca5a3d89bfc5c4074c05b6dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26e51bded259507ab735db7c499f016d529e87d5151a5980c23fe75a7d36bb36",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2015-04-16T13:52:20Z",
    "title_canon_sha256": "b017452b01aa451416648267b00aee5210ef828c13e23052b14fc7737ec57879"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.04231",
    "kind": "arxiv",
    "version": 2
  }
}