Pith Number

pith:WJ3OBQHL

pith:2018:WJ3OBQHLLPPPAUBVSIPXRFHVLR

not attested not anchored not stored refs pending

An unexpected connection between Bayes $A-$optimal designs and the Group Lasso

Edouard Pauwels, Guillaume Sagnol

arxiv:1809.01931 v1 · 2018-09-06 · 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{WJ3OBQHLLPPPAUBVSIPXRFHVLR}

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	2026-05-18T00:06:21.666266Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b276e0c0eb5bdef05035921f7894f55c44c11890ba7ab6f12d77312380249abf

Aliases

arxiv: 1809.01931 · arxiv_version: 1809.01931v1 · doi: 10.48550/arxiv.1809.01931 · pith_short_12: WJ3OBQHLLPPP · pith_short_16: WJ3OBQHLLPPPAUBV · pith_short_8: WJ3OBQHL

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/WJ3OBQHLLPPPAUBVSIPXRFHVLR \
  | 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: b276e0c0eb5bdef05035921f7894f55c44c11890ba7ab6f12d77312380249abf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c92e7b350e9c9fa742669ddb460e943cbc502300ade444e524ae923e5ee09629",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-09-06T11:56:29Z",
    "title_canon_sha256": "515096b67208422e02f902186d4d9207c94054830d0a88826fb03552da213830"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.01931",
    "kind": "arxiv",
    "version": 1
  }
}