Pith Number

pith:Q6WR5SMO

pith:2019:Q6WR5SMODEOUECTC5YY743DHU3

not attested not anchored not stored refs pending

Data-driven Algorithm Selection and Parameter Tuning: Two Case studies in Optimization and Signal Processing

Anna Ma, Deanna Needell, Jamie Haddock, Jesus A. De Loera

arxiv:1905.13404 v2 · 2019-05-31 · cs.LG · math.OC · 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{Q6WR5SMODEOUECTC5YY743DHU3}

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	2026-05-17T23:39:24.047936Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87ad1ec98e191d420a62ee31fe6c67a6d59eb607c15137e06a7503127264ca0a

Aliases

arxiv: 1905.13404 · arxiv_version: 1905.13404v2 · doi: 10.48550/arxiv.1905.13404 · pith_short_12: Q6WR5SMODEOU · pith_short_16: Q6WR5SMODEOUECTC · pith_short_8: Q6WR5SMO

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/Q6WR5SMODEOUECTC5YY743DHU3 \
  | 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: 87ad1ec98e191d420a62ee31fe6c67a6d59eb607c15137e06a7503127264ca0a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d09f820ee93db8a48c39ffec6066c1dc2679ffff89a299a79bb934c87645411",
    "cross_cats_sorted": [
      "math.OC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-05-31T03:58:26Z",
    "title_canon_sha256": "8044ce37f9287f126c56e1dc760a5342881cc26c4055c73a43ed3f038858def7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.13404",
    "kind": "arxiv",
    "version": 2
  }
}