Pith Number

pith:LQC4CR7O

pith:2021:LQC4CR7OO3CE3TUDQVAFNULDGG

not attested not anchored not stored refs pending

Characterizing Student Engagement Moods for Dropout Prediction in Question Pool Websites

Pan Hui, Reza Hadi Mogavi, Xiaojuan Ma

arxiv:2102.00423 v2 · 2021-01-31 · cs.HC · 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{LQC4CR7OO3CE3TUDQVAFNULDGG}

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	2026-07-05T02:12:45.552096Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c05c147ee76c44dce83854056d16331a0ca0a6631c63863a16af86394c18f6c

Aliases

arxiv: 2102.00423 · arxiv_version: 2102.00423v2 · doi: 10.48550/arxiv.2102.00423 · pith_short_12: LQC4CR7OO3CE · pith_short_16: LQC4CR7OO3CE3TUD · pith_short_8: LQC4CR7O

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/LQC4CR7OO3CE3TUDQVAFNULDGG \
  | 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: 5c05c147ee76c44dce83854056d16331a0ca0a6631c63863a16af86394c18f6c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb8a7e816d4d7dee47dd88529ad7840ce5a83cd1f906b248ff40da5324e351b5",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2021-01-31T10:30:19Z",
    "title_canon_sha256": "7e0e86cd5cf98f32d7f2f9e920e46d9edd7fd5b5eebd6e25ce7953b566be830d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.00423",
    "kind": "arxiv",
    "version": 2
  }
}