Pith Number

pith:SURTB54H

pith:2019:SURTB54H6U566RKAOELFCUGCM3

not attested not anchored not stored refs pending

Topology Optimization under Uncertainty using a Stochastic Gradient-based Approach

Alireza Doostan, Jerrad Hampton, Kurt Maute, Subhayan De

arxiv:1902.04562 v2 · 2019-02-11 · math.OC · cs.NA · 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{SURTB54H6U566RKAOELFCUGCM3}

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	2026-06-04T20:13:53.617025Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

952330f787f53bef454071165150c266c9b1dc7532bbc2d27b8ab4902c9f0628

Aliases

arxiv: 1902.04562 · arxiv_version: 1902.04562v2 · doi: 10.48550/arxiv.1902.04562 · pith_short_12: SURTB54H6U56 · pith_short_16: SURTB54H6U566RKA · pith_short_8: SURTB54H

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/SURTB54H6U566RKAOELFCUGCM3 \
  | 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: 952330f787f53bef454071165150c266c9b1dc7532bbc2d27b8ab4902c9f0628

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db97532f160df29dae3764784fd426569b3e820f694297499e37af9ae6c4f0d7",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-02-11T21:15:54Z",
    "title_canon_sha256": "988707f96d351cf9d1e47127c5d88fa361cd521c2ffb4f57ffaf2f91c2104c7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.04562",
    "kind": "arxiv",
    "version": 2
  }
}