Pith Number

pith:WLLNL56M

pith:2022:WLLNL56MRVVZFWEHJXLMULYZ6X

not attested not anchored not stored refs pending

Predicting student performance using sequence classification with time-based windows

Cecilia Saint-Pierre, Galina Deeva, Jochen De Weerdt, Johannes De Smedt, Richard Weber

arxiv:2208.07749 v2 · 2022-08-16 · cs.LG · 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{WLLNL56MRVVZFWEHJXLMULYZ6X}

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	2026-07-05T04:53:54.042755Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2d6d5f7cc8d6b92d8874dd6ca2f19f5e449867bad962d6a8dac631793bcdc16

Aliases

arxiv: 2208.07749 · arxiv_version: 2208.07749v2 · doi: 10.48550/arxiv.2208.07749 · pith_short_12: WLLNL56MRVVZ · pith_short_16: WLLNL56MRVVZFWEH · pith_short_8: WLLNL56M

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/WLLNL56MRVVZFWEHJXLMULYZ6X \
  | 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: b2d6d5f7cc8d6b92d8874dd6ca2f19f5e449867bad962d6a8dac631793bcdc16

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4096a3d647ef77c6d7b812153a4f4a9a80aadf06fae054766ad1194aa09e291b",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-08-16T13:46:39Z",
    "title_canon_sha256": "31988c8c8149cc1c9010234c38be23cb5ff78c8a014d693ea2b7d746407176c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.07749",
    "kind": "arxiv",
    "version": 2
  }
}