Pith Number

pith:QLYWAC4I

pith:2019:QLYWAC4IYBEGXNXZ7VW7OJ76XC

not attested not anchored not stored refs pending

A discriminative approach for finding and characterizing positivity violations using decision trees

Ehud Karavani, Peter Bak, Yishai Shimoni

arxiv:1907.08127 v1 · 2019-07-18 · stat.ML · 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{QLYWAC4IYBEGXNXZ7VW7OJ76XC}

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	2026-05-17T23:40:15.033122Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82f1600b88c0486bb6f9fd6df727feb885d679fcdff9fe15fb155cbbe9433dbe

Aliases

arxiv: 1907.08127 · arxiv_version: 1907.08127v1 · doi: 10.48550/arxiv.1907.08127 · pith_short_12: QLYWAC4IYBEG · pith_short_16: QLYWAC4IYBEGXNXZ · pith_short_8: QLYWAC4I

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/QLYWAC4IYBEGXNXZ7VW7OJ76XC \
  | 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: 82f1600b88c0486bb6f9fd6df727feb885d679fcdff9fe15fb155cbbe9433dbe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a550c894c07ac3d2473a8f679759211bcd6d6ea70189a67559c52d8b8ccd007",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2019-07-18T16:06:30Z",
    "title_canon_sha256": "3926f6c2f24ad60903a7ff08a38ad2fb3aa2bbb09ee8fe4fc0ff812eb5f5ea57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.08127",
    "kind": "arxiv",
    "version": 1
  }
}