Pith Number

pith:DJJFYS6U

pith:2020:DJJFYS6UOEKX76ZOTKVGZCWPVV

not attested not anchored not stored refs pending

EPARS: Early Prediction of At-risk Students with Online and Offline Learning Behaviors

Hongzhi Yin, Jiannong Cao, Jiaxing Shen, Xiaofang Zhou, Yu Yang, Zhiyuan Wen

arxiv:2006.03857 v1 · 2020-06-06 · cs.AI · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DJJFYS6UOEKX76ZOTKVGZCWPVV}

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	2026-07-05T01:08:47.204995Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a525c4bd471157ffb2e9aaa6c8acfad6ba54a2015022508ffd61de6652ec845

Aliases

arxiv: 2006.03857 · arxiv_version: 2006.03857v1 · doi: 10.48550/arxiv.2006.03857 · pith_short_12: DJJFYS6UOEKX · pith_short_16: DJJFYS6UOEKX76ZO · pith_short_8: DJJFYS6U

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/DJJFYS6UOEKX76ZOTKVGZCWPVV \
  | 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: 1a525c4bd471157ffb2e9aaa6c8acfad6ba54a2015022508ffd61de6652ec845

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36f68806ec3dd0a7ba99c738c1039448343ccf34b2a92d02e400fe50495c9ba7",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2020-06-06T12:56:26Z",
    "title_canon_sha256": "95e6fc087f1fd11717365d5ad3906591cd5986c8817c4e762ed0546f142645d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.03857",
    "kind": "arxiv",
    "version": 1
  }
}