Pith Number

pith:HD4VYALN

pith:2020:HD4VYALNVHXFNDVRURI4QPZXJ2

not attested not anchored not stored refs pending

Representation Learning from Limited Educational Data with Crowdsourced Labels

Gale Yan Huang, Guoliang Li, Guowei Xu, Jiliang Tang, Wenbiao Ding, Wentao Wang, Zitao Liu

arxiv:2009.11222 v1 · 2020-09-23 · cs.LG · cs.AI · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HD4VYALNVHXFNDVRURI4QPZXJ2}

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	2026-07-05T01:37:37.282224Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38f95c016da9ee568eb1a451c83f374ebe29c1411dc39d32a9180f4c7e63351f

Aliases

arxiv: 2009.11222 · arxiv_version: 2009.11222v1 · doi: 10.48550/arxiv.2009.11222 · pith_short_12: HD4VYALNVHXF · pith_short_16: HD4VYALNVHXFNDVR · pith_short_8: HD4VYALN

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/HD4VYALNVHXFNDVRURI4QPZXJ2 \
  | 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: 38f95c016da9ee568eb1a451c83f374ebe29c1411dc39d32a9180f4c7e63351f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1776937e3d98343ad62d5f6d11e6f71540750d235e99df9248c3b4a5ccb926ae",
    "cross_cats_sorted": [
      "cs.AI",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-09-23T15:34:40Z",
    "title_canon_sha256": "99f04cd20f7877080289a9cdeb4a9c0e6ed4afa3a35eab02ceebab1f735ea1d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.11222",
    "kind": "arxiv",
    "version": 1
  }
}