Pith Number

pith:KHN4TAHC

pith:2026:KHN4TAHCISMX6KBD4YPR4SUZQ5

not attested not anchored not stored refs pending

Choosing A Headline Estimand from Matching, DID, and Hybrid Designs: A Minimax-Regret Approach

Yechan Park, Yuya Sasaki

arxiv:2606.20435 v1 · 2026-06-18 · 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{KHN4TAHCISMX6KBD4YPR4SUZQ5}

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	2026-06-19T16:13:12.342041Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51dbc980e244997f2823e61f1e4a998745989127c2a56c520e32b5351fc8d9a7

Aliases

arxiv: 2606.20435 · arxiv_version: 2606.20435v1 · doi: 10.48550/arxiv.2606.20435 · pith_short_12: KHN4TAHCISMX · pith_short_16: KHN4TAHCISMX6KBD · pith_short_8: KHN4TAHC

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/KHN4TAHCISMX6KBD4YPR4SUZQ5 \
  | 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: 51dbc980e244997f2823e61f1e4a998745989127c2a56c520e32b5351fc8d9a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f7aad33a24c435415759fe4d775105ab59e879d61d6e2b2556fcd8ffde41b0f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "econ.EM",
    "submitted_at": "2026-06-18T16:14:39Z",
    "title_canon_sha256": "eba881c1a4f7a829cd7da41ba8c473a209c6a255d3996845640de2999ca2f868"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.20435",
    "kind": "arxiv",
    "version": 1
  }
}