Pith Number

pith:7LHH74FY

pith:2020:7LHH74FYYPFVTLFXAKFIQP4K7P

not attested not anchored not stored refs pending

Identifying At-Risk K-12 Students in Multimodal Online Environments: A Machine Learning Approach

Hang Li, Wenbiao Ding, Zitao Liu

arxiv:2003.09670 v2 · 2020-03-21 · cs.CY · 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{7LHH74FYYPFVTLFXAKFIQP4K7P}

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	2026-07-05T01:06:53.951229Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

face7ff0b8c3cb59acb7028a883f8afbcd589b1b5219e1af1526372e529b8a51

Aliases

arxiv: 2003.09670 · arxiv_version: 2003.09670v2 · doi: 10.48550/arxiv.2003.09670 · pith_short_12: 7LHH74FYYPFV · pith_short_16: 7LHH74FYYPFVTLFX · pith_short_8: 7LHH74FY

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/7LHH74FYYPFVTLFXAKFIQP4K7P \
  | 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: face7ff0b8c3cb59acb7028a883f8afbcd589b1b5219e1af1526372e529b8a51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39d96e26c46bc3f2266ff8c8dc702ffe53be204b19d84115026e72969b0f48e4",
    "cross_cats_sorted": [
      "cs.HC",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2020-03-21T14:34:36Z",
    "title_canon_sha256": "f4688386d08219f3725fae8af595ff02dfb1a7bf2a7136f9cc69ab91f1e993ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.09670",
    "kind": "arxiv",
    "version": 2
  }
}