Pith Number

pith:X3U5BFLV

pith:2025:X3U5BFLVV5EC2DBHTBIPYHT7C4

not attested not anchored not stored refs pending

Dynamic Bayesian Item Response Model with Decomposition (D-BIRD): Modeling Cohort and Individual Learning Over Time

Benjamin W. Domingue, David S. Matteson, Hansol Lee, Jason B. Cho

arxiv:2506.21723 v1 · 2025-06-26 · stat.AP · cs.CY · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X3U5BFLVV5EC2DBHTBIPYHT7C4}

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.

Cited by

1 paper in Pith

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

Receipt and verification

First computed	2026-07-05T11:28:00.101179Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bee9d09575af482d0c279850fc1e7f17266d6c43762736d7fcbc2482970f8d02

Aliases

arxiv: 2506.21723 · arxiv_version: 2506.21723v1 · doi: 10.48550/arxiv.2506.21723 · pith_short_12: X3U5BFLVV5EC · pith_short_16: X3U5BFLVV5EC2DBH · pith_short_8: X3U5BFLV

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/X3U5BFLVV5EC2DBHTBIPYHT7C4 \
  | 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: bee9d09575af482d0c279850fc1e7f17266d6c43762736d7fcbc2482970f8d02

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05afaa79c82aa7cd4468aad575fee69dc601151ab7cd124a30c2bdecba6ade4c",
    "cross_cats_sorted": [
      "cs.CY",
      "stat.ME"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2025-06-26T19:14:28Z",
    "title_canon_sha256": "a5f4e09680544d458e9aacfe9c43d2de08a68067c4adac45fe9001c2ba87d6b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.21723",
    "kind": "arxiv",
    "version": 1
  }
}