Pith Number

pith:5DWH22VN

pith:2017:5DWH22VNIOOEYTOJ5GI534GPUL

not attested not anchored not stored refs pending

A Correlated Random Effects Model for Nonignorable Missing Data in Value-Added Assessment of Teacher Effects

Andrew T. Karl, Sharon L. Lohr, Yan Yang

arxiv:1710.01894 v1 · 2017-10-05 · stat.ME

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

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	2026-05-18T00:33:38.135662Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8ec7d6aad439c4c4dc9e991ddf0cfa2f22f5bd86c0d7df29de752776ac14892

Aliases

arxiv: 1710.01894 · arxiv_version: 1710.01894v1 · doi: 10.48550/arxiv.1710.01894 · pith_short_12: 5DWH22VNIOOE · pith_short_16: 5DWH22VNIOOEYTOJ · pith_short_8: 5DWH22VN

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/5DWH22VNIOOEYTOJ5GI534GPUL \
  | 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: e8ec7d6aad439c4c4dc9e991ddf0cfa2f22f5bd86c0d7df29de752776ac14892

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d8a43ebd622cab0d0132d3cd0bf4defa966c39081bac8b3fab81632dbd5504f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2017-10-05T06:32:38Z",
    "title_canon_sha256": "49e77410d8c429734066d36a36602c06a4fd688c6023b7c9b26700987c0258d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.01894",
    "kind": "arxiv",
    "version": 1
  }
}