Pith Number

pith:C5YKVFGA

pith:2018:C5YKVFGAWQXMMGNX3DQAFIEIL3

not attested not anchored not stored refs pending

Proportional Volume Sampling and Approximation Algorithms for A-Optimal Design

Aleksandar Nikolov, Mohit Singh, Uthaipon Tao Tantipongpipat

arxiv:1802.08318 v5 · 2018-02-22 · cs.DS · cs.LG · math.OC · stat.CO · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C5YKVFGAWQXMMGNX3DQAFIEIL3}

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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	2026-05-18T00:10:38.393796Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1770aa94c0b42ec619b7d8e002a0885ec269efe942d1817fd1616d3626f65eb6

Aliases

arxiv: 1802.08318 · arxiv_version: 1802.08318v5 · doi: 10.48550/arxiv.1802.08318 · pith_short_12: C5YKVFGAWQXM · pith_short_16: C5YKVFGAWQXMMGNX · pith_short_8: C5YKVFGA

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/C5YKVFGAWQXMMGNX3DQAFIEIL3 \
  | 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: 1770aa94c0b42ec619b7d8e002a0885ec269efe942d1817fd1616d3626f65eb6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0962e41d0ab57c8b30ca99e91d02a6f86776d2b32baad65f75a27aac5f150c32",
    "cross_cats_sorted": [
      "cs.LG",
      "math.OC",
      "stat.CO",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-02-22T22:02:42Z",
    "title_canon_sha256": "620befdadd0b099b8c278df74101f4b3e9d19cc29cd1c27f786badc49fab5202"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.08318",
    "kind": "arxiv",
    "version": 5
  }
}