Pith Number

pith:2D3WDFEC

pith:2019:2D3WDFECLIZRLIQ4C4UU7IM2YM

not attested not anchored not stored refs pending

Behavior Pattern and Compiled Information Based Performance Prediction in MOOCs

Kan Li, Shaojie Qu, Sisi Wu, Xinyi Liu, Zheyi Fan, Zhiguo Huang

arxiv:1908.01304 v1 · 2019-08-04 · cs.IR · 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{2D3WDFECLIZRLIQ4C4UU7IM2YM}

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	2026-07-04T23:51:28.919112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0f76194825a3315a21c17294fa19ac33fa7a1150943cbc2e3f98ccbdaf73100

Aliases

arxiv: 1908.01304 · arxiv_version: 1908.01304v1 · doi: 10.48550/arxiv.1908.01304 · pith_short_12: 2D3WDFECLIZR · pith_short_16: 2D3WDFECLIZRLIQ4 · pith_short_8: 2D3WDFEC

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/2D3WDFECLIZRLIQ4C4UU7IM2YM \
  | 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: d0f76194825a3315a21c17294fa19ac33fa7a1150943cbc2e3f98ccbdaf73100

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d7e9969c920518f2559af3a0d101b8e003ed07be706ca6f2849914b9bf1d05d",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2019-08-04T09:40:06Z",
    "title_canon_sha256": "4d74c63f8537ba953fbdfc8702f45029c3020727ebce8c9b4c2920debea79daf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.01304",
    "kind": "arxiv",
    "version": 1
  }
}