Pith Number

pith:QWFD4TSL

pith:2018:QWFD4TSLJKMUWNMV5BWNB7ACDA

not attested not anchored not stored refs pending

Competitive Machine Learning: Best Theoretical Prediction vs Optimization

Amin Khajehnejad, Shima Hajimirza

arxiv:1803.03672 v1 · 2018-03-09 · cs.LG · 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{QWFD4TSLJKMUWNMV5BWNB7ACDA}

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	2026-05-18T00:21:19.336248Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

858a3e4e4b4a994b3595e86cd0fc02182063db201f5ce85360c14515cddd3373

Aliases

arxiv: 1803.03672 · arxiv_version: 1803.03672v1 · doi: 10.48550/arxiv.1803.03672 · pith_short_12: QWFD4TSLJKMU · pith_short_16: QWFD4TSLJKMUWNMV · pith_short_8: QWFD4TSL

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/QWFD4TSLJKMUWNMV5BWNB7ACDA \
  | 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: 858a3e4e4b4a994b3595e86cd0fc02182063db201f5ce85360c14515cddd3373

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e78164cdcff6b771260e925a795273252403c3fb00c45a3146bf203232e2be3",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-03-09T19:42:54Z",
    "title_canon_sha256": "5bed8e7610ae26523e6fb2c58634f7e9372021fe828ff28356b5c93cd89e2bd3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.03672",
    "kind": "arxiv",
    "version": 1
  }
}