Pith Number

pith:ZY36HQIU

pith:2019:ZY36HQIU4C7RWYPYVFMZTMV6DK

not attested not anchored not stored refs pending

How Widely Can Prediction Models be Generalized? Performance Prediction in Blended Courses

Collin F. Lynch, Niki Gitinabard, Sarah Heckman, Tiffany Barnes, Yiqiao Xu

arxiv:1904.07328 v2 · 2019-04-15 · cs.CY · 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{ZY36HQIU4C7RWYPYVFMZTMV6DK}

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	2026-05-17T23:42:41.806113Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce37e3c114e0bf1b61f8a95999b2be1a9ed1c7bd58dcb3ae3611afaff4cc9707

Aliases

arxiv: 1904.07328 · arxiv_version: 1904.07328v2 · doi: 10.48550/arxiv.1904.07328 · pith_short_12: ZY36HQIU4C7R · pith_short_16: ZY36HQIU4C7RWYPY · pith_short_8: ZY36HQIU

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/ZY36HQIU4C7RWYPYVFMZTMV6DK \
  | 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: ce37e3c114e0bf1b61f8a95999b2be1a9ed1c7bd58dcb3ae3611afaff4cc9707

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "615268a30a0cfa1b490fd2f31eed7f2c9f5f4972781ae9a75248b84d96af1f47",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2019-04-15T20:50:46Z",
    "title_canon_sha256": "c78f20617cfa4db1bac4eb87eb838f1695e0e7427fa860a778a94ede13829843"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.07328",
    "kind": "arxiv",
    "version": 2
  }
}