Pith Number

pith:QR4YICUL

pith:2018:QR4YICULSGWKESTVEW7AOUBD3N

not attested not anchored not stored refs pending

Goal-Oriented Optimal Design of Experiments for Large-Scale Bayesian Linear Inverse Problems

Ahmed Attia, Alen Alexanderian, Arvind K. Saibaba

arxiv:1802.06517 v2 · 2018-02-19 · cs.CE · math.NA · math.OC · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QR4YICULSGWKESTVEW7AOUBD3N}

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	2026-05-18T00:08:10.254112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8479840a8b91aca24a7525be075023db6807ee6c5509ca331d8a352bb284836d

Aliases

arxiv: 1802.06517 · arxiv_version: 1802.06517v2 · doi: 10.48550/arxiv.1802.06517 · pith_short_12: QR4YICULSGWK · pith_short_16: QR4YICULSGWKESTV · pith_short_8: QR4YICUL

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/QR4YICULSGWKESTVEW7AOUBD3N \
  | 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: 8479840a8b91aca24a7525be075023db6807ee6c5509ca331d8a352bb284836d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93e2f24516ecfe2b772b9104252861c036193291a3c466f7e2b7b8a65bccae3f",
    "cross_cats_sorted": [
      "math.NA",
      "math.OC",
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2018-02-19T04:56:59Z",
    "title_canon_sha256": "793ac0ff2e84aa4566617d42df0c197c59fd57750be92c3e38e9bd8bee029435"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.06517",
    "kind": "arxiv",
    "version": 2
  }
}