Pith Number

pith:FDTA5BZ6

pith:2025:FDTA5BZ667KWUCQ37K3IDHCE6K

not attested not anchored not stored refs pending

Machine learning the first stage in 2SLS: Practical guidance from bias decomposition and simulation

Connor Lennon, Edward Rubin, Glen Waddell

arxiv:2505.13422 v1 · 2025-05-19 · econ.EM · cs.LG · stat.AP · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FDTA5BZ667KWUCQ37K3IDHCE6K}

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

A Deep Learning Approach to Heterogeneous Consumer Aesthetics in Fast Fashion

Receipt and verification

First computed	2026-07-05T11:05:29.875395Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28e60e873ef7d56a0a1bfab6819c44f2bde2775ea39d25b4d2699a35e84841bb

Aliases

arxiv: 2505.13422 · arxiv_version: 2505.13422v1 · doi: 10.48550/arxiv.2505.13422 · pith_short_12: FDTA5BZ667KW · pith_short_16: FDTA5BZ667KWUCQ3 · pith_short_8: FDTA5BZ6

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/FDTA5BZ667KWUCQ37K3IDHCE6K \
  | 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: 28e60e873ef7d56a0a1bfab6819c44f2bde2775ea39d25b4d2699a35e84841bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84cee9154dd1bdd68be5782d0cd14fb7551d56c916c98dd68cb4c6252befe52c",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.AP",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "econ.EM",
    "submitted_at": "2025-05-19T17:53:15Z",
    "title_canon_sha256": "0eefb624958a66a02490eeb07e8916ba33c86d53263ed3236ee837e5b151bbcd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.13422",
    "kind": "arxiv",
    "version": 1
  }
}