Pith Number

pith:CA3UGZ7H

pith:2017:CA3UGZ7HL4I7WRGSIDEHH3ADIR

not attested not anchored not stored refs pending

Delving Deeper into MOOC Student Dropout Prediction

Daniel Seaton, Dustin Tingley, Jacob Whitehill, Kiran Mohan, Yigal Rosen

arxiv:1702.06404 v1 · 2017-02-21 · 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{CA3UGZ7HL4I7WRGSIDEHH3ADIR}

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	2026-05-18T00:50:14.226981Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10374367e75f11fb44d240c873ec03444aed7a726cc1ef71de8f6717ec8d0f36

Aliases

arxiv: 1702.06404 · arxiv_version: 1702.06404v1 · doi: 10.48550/arxiv.1702.06404 · pith_short_12: CA3UGZ7HL4I7 · pith_short_16: CA3UGZ7HL4I7WRGS · pith_short_8: CA3UGZ7H

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/CA3UGZ7HL4I7WRGSIDEHH3ADIR \
  | 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: 10374367e75f11fb44d240c873ec03444aed7a726cc1ef71de8f6717ec8d0f36

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "400b1f371a142b2dcb28ccc335428da07869f80e209731fd0fefe760f1eee487",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2017-02-21T14:35:55Z",
    "title_canon_sha256": "9e28edd7ddb3d030013444223244f3589fa04a0f8e265f01418ab244b79e834c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.06404",
    "kind": "arxiv",
    "version": 1
  }
}