Pith Number

pith:EXBM7FFM

pith:2021:EXBM7FFM2RGQLA2OTWUGD2TGOW

not attested not anchored not stored refs pending

Empirical Evaluation of Deep Learning Models for Knowledge Tracing: Of Hyperparameters and Metrics on Performance and Replicability

Arto Hellas, Juho Leinonen, Sami Sarsa

arxiv:2112.15072 v4 · 2021-12-30 · 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{EXBM7FFM2RGQLA2OTWUGD2TGOW}

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	2026-07-05T04:11:29.715443Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25c2cf94acd44d05834e9da861ea6675868eee5f751ba11346bdd1c55aaaa4b7

Aliases

arxiv: 2112.15072 · arxiv_version: 2112.15072v4 · doi: 10.48550/arxiv.2112.15072 · pith_short_12: EXBM7FFM2RGQ · pith_short_16: EXBM7FFM2RGQLA2O · pith_short_8: EXBM7FFM

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/EXBM7FFM2RGQLA2OTWUGD2TGOW \
  | 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: 25c2cf94acd44d05834e9da861ea6675868eee5f751ba11346bdd1c55aaaa4b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "224d2f5129cca34d99602a88f606fc2f753d7a863aa74181657e69081666fa59",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-12-30T14:19:27Z",
    "title_canon_sha256": "faae91fff6b7caac2834a969fc5f9d6d1903474667993263302d1b7a749266d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.15072",
    "kind": "arxiv",
    "version": 4
  }
}