Pith Number

pith:GWAAZZZI

pith:2023:GWAAZZZITSY7P56KH3FBP4JUD2

not attested not anchored not stored refs pending

The quality of school track assignment decisions by teachers

Dinand Webbink, Joppe de Ree, Matthijs Oosterveen

arxiv:2304.10636 v2 · 2023-04-20 · econ.GN · q-fin.EC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GWAAZZZITSY7P56KH3FBP4JUD2}

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	2026-07-05T11:28:28.523445Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

35800ce7289cb1f7f7ca3eca17f1341e84656e4308cceeac90366dc59e595d45

Aliases

arxiv: 2304.10636 · arxiv_version: 2304.10636v2 · doi: 10.48550/arxiv.2304.10636 · pith_short_12: GWAAZZZITSY7 · pith_short_16: GWAAZZZITSY7P56K · pith_short_8: GWAAZZZI

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/GWAAZZZITSY7P56KH3FBP4JUD2 \
  | 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: 35800ce7289cb1f7f7ca3eca17f1341e84656e4308cceeac90366dc59e595d45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b03dddd3cd190d0de7d3fd06cea1aa576212ba6113de547a94cdaef0a69ca5c",
    "cross_cats_sorted": [
      "q-fin.EC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "econ.GN",
    "submitted_at": "2023-04-20T20:29:27Z",
    "title_canon_sha256": "23b505c9131b2cd817db0b694a59b8b0dd0e528b9fb4730a2819ce7decae3087"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.10636",
    "kind": "arxiv",
    "version": 2
  }
}