Pith Number

pith:AZGG2W22

pith:2021:AZGG2W225ZLRNL3AJCWY3DMEZ4

not attested not anchored not stored refs pending

Do we need to go Deep? Knowledge Tracing with Big Data

Jiaqi Gong, Lujie Chen, Varun Mandalapu

arxiv:2101.08349 v1 · 2021-01-20 · cs.LG · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AZGG2W225ZLRNL3AJCWY3DMEZ4}

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	2026-07-05T02:08:34.415044Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

064c6d5b5aee5716af6048ad8d8d84cf3bae90f505e3bfaf8b91eeab32cf8f1b

Aliases

arxiv: 2101.08349 · arxiv_version: 2101.08349v1 · doi: 10.48550/arxiv.2101.08349 · pith_short_12: AZGG2W225ZLR · pith_short_16: AZGG2W225ZLRNL3A · pith_short_8: AZGG2W22

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/AZGG2W225ZLRNL3AJCWY3DMEZ4 \
  | 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: 064c6d5b5aee5716af6048ad8d8d84cf3bae90f505e3bfaf8b91eeab32cf8f1b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98a974233f4ae52f7ac0dbb7e12278ee49eefc6aaade562108940fff31aa9708",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-01-20T22:40:38Z",
    "title_canon_sha256": "c3ad6e6baf205d4cc400732a29d71b1e04fb25a726fd99ae797e044d6645a0c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.08349",
    "kind": "arxiv",
    "version": 1
  }
}