Pith Number

pith:3EDKSG7N

pith:2025:3EDKSG7N66TV6ZUD6E4CGKQOWK

not attested not anchored not stored refs pending

Where Do the Returns to Schooling Come From? Educational Transitions and Labor Market Payoffs

Aleksei Opacic

arxiv:2508.13366 v3 · 2025-08-18 · stat.AP · econ.GN · q-fin.EC · 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{3EDKSG7N66TV6ZUD6E4CGKQOWK}

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	2026-07-23T01:24:16.823013Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d906a91bedf7a75f6683f138232a0eb2a8fdd94e374e0d292c99834d679ad532

Aliases

arxiv: 2508.13366 · arxiv_version: 2508.13366v3 · doi: 10.48550/arxiv.2508.13366 · pith_short_12: 3EDKSG7N66TV · pith_short_16: 3EDKSG7N66TV6ZUD · pith_short_8: 3EDKSG7N

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/3EDKSG7N66TV6ZUD6E4CGKQOWK \
  | 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: d906a91bedf7a75f6683f138232a0eb2a8fdd94e374e0d292c99834d679ad532

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3bb9a4e5d5cf2803ef24f881ed6c2cd5002ded734850e8150758413a16d4b98",
    "cross_cats_sorted": [
      "econ.GN",
      "q-fin.EC",
      "stat.ME"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2025-08-18T21:17:11Z",
    "title_canon_sha256": "d303c1f4bb6e97c82887c2750d4a169b28fb8097fdfb2bade9e3171f0cb23f7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.13366",
    "kind": "arxiv",
    "version": 3
  }
}