Pith Number

pith:ENB6FWDP

pith:2023:ENB6FWDPEDKU5SKBY65JBDPQLY

not attested not anchored not stored refs pending

Difficulty-Focused Contrastive Learning for Knowledge Tracing with a Large Language Model-Based Difficulty Prediction

Damji Stratton, Hyeoncheol Kim, Joon Seo Yun, Kyoungsoo Park, Sungjun Yoon, Unggi Lee, Younghoon Jung

arxiv:2312.11890 v1 · 2023-12-19 · cs.CL · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ENB6FWDPEDKU5SKBY65JBDPQLY}

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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.

Cited by

1 paper in Pith

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Receipt and verification

First computed	2026-07-05T07:25:55.935705Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2343e2d86f20d54ec941c7ba908df05e3f6f4dd0de5b932f8cd1aed0e0c9e8de

Aliases

arxiv: 2312.11890 · arxiv_version: 2312.11890v1 · doi: 10.48550/arxiv.2312.11890 · pith_short_12: ENB6FWDPEDKU · pith_short_16: ENB6FWDPEDKU5SKB · pith_short_8: ENB6FWDP

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/ENB6FWDPEDKU5SKBY65JBDPQLY \
  | 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: 2343e2d86f20d54ec941c7ba908df05e3f6f4dd0de5b932f8cd1aed0e0c9e8de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11efecc5356c77b26e13ec516c21994eacf0382d14a4ac21adf32384b020b96d",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2023-12-19T06:26:25Z",
    "title_canon_sha256": "5b8d2a9318951a0872a42e6b24cc3d3c668bab40dab061f25d7d347e1e80d805"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2312.11890",
    "kind": "arxiv",
    "version": 1
  }
}