Pith Number

pith:DHHOUB3T

pith:2020:DHHOUB3T6VIIFPTVFBONYPKUO4

not attested not anchored not stored refs pending

VarFA: A Variational Factor Analysis Framework For Efficient Bayesian Learning Analytics

Andrew Lan, Richard Baraniuk, Yi Gu, Zichao Wang

arxiv:2005.13107 v2 · 2020-05-27 · stat.ML · cs.CY · cs.LG · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DHHOUB3T6VIIFPTVFBONYPKUO4}

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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.

Cited by

1 paper in Pith

UNVaMP: Neural Knowledge Tracing with Variational Regularization of Latent Knowledge Dynamics

Receipt and verification

First computed	2026-07-05T01:27:10.688611Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19ceea0773f55082be75285cdc3d54773de09922556eba548f4f1db5aff68452

Aliases

arxiv: 2005.13107 · arxiv_version: 2005.13107v2 · doi: 10.48550/arxiv.2005.13107 · pith_short_12: DHHOUB3T6VII · pith_short_16: DHHOUB3T6VIIFPTV · pith_short_8: DHHOUB3T

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/DHHOUB3T6VIIFPTVFBONYPKUO4 \
  | 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: 19ceea0773f55082be75285cdc3d54773de09922556eba548f4f1db5aff68452

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "718dd47df05eeaccb407480c8990bf1becefa2d56da7a70dd7afbb57ebfba134",
    "cross_cats_sorted": [
      "cs.CY",
      "cs.LG",
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2020-05-27T01:03:07Z",
    "title_canon_sha256": "3f5b3353d97da0a55eb46b1d2ec8dfe7b60a45f1b8c80e38922e34af92fb2d01"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.13107",
    "kind": "arxiv",
    "version": 2
  }
}