Pith Number

pith:A7WXZMB7

pith:2013:A7WXZMB7PMN2C6GQF4CTMKQDXL

not attested not anchored not stored refs pending

A First-Order Algorithm for the A-Optimal Experimental Design Problem: A Mathematical Programming Approach

Selin Damla Ahipasaoglu

arxiv:1311.2335 v1 · 2013-11-11 · stat.CO · 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{A7WXZMB7PMN2C6GQF4CTMKQDXL}

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	2026-05-18T03:07:32.929370Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07ed7cb03f7b1ba178d02f05362a03bac6c594484b8d777f32fe5d674e649044

Aliases

arxiv: 1311.2335 · arxiv_version: 1311.2335v1 · doi: 10.48550/arxiv.1311.2335 · pith_short_12: A7WXZMB7PMN2 · pith_short_16: A7WXZMB7PMN2C6GQ · pith_short_8: A7WXZMB7

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/A7WXZMB7PMN2C6GQF4CTMKQDXL \
  | 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: 07ed7cb03f7b1ba178d02f05362a03bac6c594484b8d777f32fe5d674e649044

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f13c51520f83e32e02e6ef1650ab01f18af49ab78388c798ddaef36e35e0ccb5",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2013-11-11T02:38:44Z",
    "title_canon_sha256": "154327a4a2f3e08d69cbba10141a000d865581419fdff83be6fd783ed7720369"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.2335",
    "kind": "arxiv",
    "version": 1
  }
}