Pith Number

pith:6DCXE52V

pith:2013:6DCXE52VBTZDJDVUYBYCBOMK2V

not attested not anchored not stored refs pending

A-optimal design of experiments for infinite-dimensional Bayesian linear inverse problems with regularized $\ell_0$-sparsification

Alen Alexanderian, Georg Stadler, Noemi Petra, Omar Ghattas

arxiv:1308.4084 v2 · 2013-08-19 · stat.CO · math.NA · math.OC · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6DCXE52VBTZDJDVUYBYCBOMK2V}

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	2026-05-18T02:50:59.641625Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f0c57277550cf2348eb4c07020b98ad56ca3412fa0f225d059cfe84efa8fed4c

Aliases

arxiv: 1308.4084 · arxiv_version: 1308.4084v2 · doi: 10.48550/arxiv.1308.4084 · pith_short_12: 6DCXE52VBTZD · pith_short_16: 6DCXE52VBTZDJDVU · pith_short_8: 6DCXE52V

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/6DCXE52VBTZDJDVUYBYCBOMK2V \
  | 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: f0c57277550cf2348eb4c07020b98ad56ca3412fa0f225d059cfe84efa8fed4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e20a32306367b859ddf4cd06a6a856b245c6263c76b35d2b79e863dcd5bcb292",
    "cross_cats_sorted": [
      "math.NA",
      "math.OC",
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2013-08-19T17:59:23Z",
    "title_canon_sha256": "060cfe2482e22b9405fe9be1ee02f28eae354d566f223aa350866e55aa29e546"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.4084",
    "kind": "arxiv",
    "version": 2
  }
}