Pith Number

pith:RTIEY72G

pith:2026:RTIEY72GBZYN27XHAI3Y66BUED

not attested not anchored not stored refs pending

When Offline Selectors Cannot Beat the Best Single Model: A Diagnostic Study on edX Dropout Prediction

Alan Nadelsticher Ruvalcaba, David Joyner, Dustin Khang LeDuc, Nicholas Lytle, Thomas Trask, Tyler Crosse

arxiv:2606.04161 v1 · 2026-06-02 · 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{RTIEY72GBZYN27XHAI3Y66BUED}

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	2026-06-04T01:08:18.323612Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8cd04c7f460e70dd7ee702378f783420e1ed0fa9a23ae9a1fd05544c9a0ef599

Aliases

arxiv: 2606.04161 · arxiv_version: 2606.04161v1 · doi: 10.48550/arxiv.2606.04161 · pith_short_12: RTIEY72GBZYN · pith_short_16: RTIEY72GBZYN27XH · pith_short_8: RTIEY72G

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/RTIEY72GBZYN27XHAI3Y66BUED \
  | 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: 8cd04c7f460e70dd7ee702378f783420e1ed0fa9a23ae9a1fd05544c9a0ef599

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0bf680288dad755500db92aa9300d44d09eea63aa3bd446289d163a1c9ee9811",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-02T19:24:09Z",
    "title_canon_sha256": "bd16acb5e89c2ac3d4ae0b1d4350abf94083a2cf1d9ed137cd152293d545e6fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.04161",
    "kind": "arxiv",
    "version": 1
  }
}