Pith Number

pith:KPHVZVRW

pith:2025:KPHVZVRWX4PCCXTGPQESUDBGML

not attested not anchored not stored refs pending

An Empirical Comparison of Weak-IV-Robust Procedures in Just-Identified Models

Wenze Li

arxiv:2506.18001 v1 · 2025-06-22 · econ.EM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KPHVZVRWX4PCCXTGPQESUDBGML}

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	2026-07-05T11:25:26.892391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53cf5cd636bf1e215e667c092a0c2662eaa7372581bfc71cf6ad6d1755b694ce

Aliases

arxiv: 2506.18001 · arxiv_version: 2506.18001v1 · doi: 10.48550/arxiv.2506.18001 · pith_short_12: KPHVZVRWX4PC · pith_short_16: KPHVZVRWX4PCCXTG · pith_short_8: KPHVZVRW

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/KPHVZVRWX4PCCXTGPQESUDBGML \
  | 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: 53cf5cd636bf1e215e667c092a0c2662eaa7372581bfc71cf6ad6d1755b694ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90631bc030995f524b5a522335c2876ef93439750d7277c3a3f667fe2ba3148e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "econ.EM",
    "submitted_at": "2025-06-22T11:42:35Z",
    "title_canon_sha256": "9ea83d332ca118bacbd52580f6c5f3588ce86e86d4786eaeb8c0f9bef53481df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.18001",
    "kind": "arxiv",
    "version": 1
  }
}