Pith Number

pith:VKO7X66E

pith:2014:VKO7X66EJYVKMOVUBDOMVB4RXM

not attested not anchored not stored refs pending

Thresholding Classifiers to Maximize F1 Score

Balakrishnan Narayanaswamy, Charles Elkan, Zachary Chase Lipton

arxiv:1402.1892 v2 · 2014-02-08 · stat.ML · cs.IR · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VKO7X66EJYVKMOVUBDOMVB4RXM}

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	2026-05-18T02:51:56.676581Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa9dfbfbc44e2aa63ab408dcca8791bb38eccae38fdaa50227ff8febdfad29bc

Aliases

arxiv: 1402.1892 · arxiv_version: 1402.1892v2 · doi: 10.48550/arxiv.1402.1892 · pith_short_12: VKO7X66EJYVK · pith_short_16: VKO7X66EJYVKMOVU · pith_short_8: VKO7X66E

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/VKO7X66EJYVKMOVUBDOMVB4RXM \
  | 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: aa9dfbfbc44e2aa63ab408dcca8791bb38eccae38fdaa50227ff8febdfad29bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4739c36f947b22efc23393bf51b29b1a2fa80fb719c44bfc61359a39f92daf18",
    "cross_cats_sorted": [
      "cs.IR",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2014-02-08T21:14:29Z",
    "title_canon_sha256": "01f5e6e6ccd6bbfc2179b975107899cfda10d9c706bc7602c47c98e33f985d31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.1892",
    "kind": "arxiv",
    "version": 2
  }
}