Pith Number

pith:YWU6HSA4

pith:2021:YWU6HSA4VMVYLCXFA6UZRAWHEA

not attested not anchored not stored refs pending

Application of Deep Self-Attention in Knowledge Tracing

Bochun Yang, Junhao Zeng, Ning Xie, Qingchun Zhang

arxiv:2105.07909 v2 · 2021-05-17 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YWU6HSA4VMVYLCXFA6UZRAWHEA}

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	2026-07-05T02:42:31.002564Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5a9e3c81cab2b858ae507a99882c72014f5840ce1e6d8186494823443537cb4

Aliases

arxiv: 2105.07909 · arxiv_version: 2105.07909v2 · doi: 10.48550/arxiv.2105.07909 · pith_short_12: YWU6HSA4VMVY · pith_short_16: YWU6HSA4VMVYLCXF · pith_short_8: YWU6HSA4

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/YWU6HSA4VMVYLCXFA6UZRAWHEA \
  | 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: c5a9e3c81cab2b858ae507a99882c72014f5840ce1e6d8186494823443537cb4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f85817d79f52d0653b4721248cee56d494926431ba6aa169060d7b35d87b39b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-05-17T14:45:38Z",
    "title_canon_sha256": "5467f5f3de5b47944c19344ad8c872955cfda84be556915b43d9a47ef9a20344"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.07909",
    "kind": "arxiv",
    "version": 2
  }
}