Pith Number

pith:DIEHVB6A

pith:2020:DIEHVB6AKDXRVS3UAIOXMAPASH

not attested not anchored not stored refs pending

Combining Observational and Experimental Data to Improve Efficiency Using Imperfect Instruments

George Z. Gui

arxiv:2010.05117 v5 · 2020-10-10 · econ.EM · 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{DIEHVB6AKDXRVS3UAIOXMAPASH}

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	2026-07-05T07:27:22.177234Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a087a87c050ef1acb74021d7601e091f8655cfcf8a60f27cf4fc28519e8f914

Aliases

arxiv: 2010.05117 · arxiv_version: 2010.05117v5 · doi: 10.48550/arxiv.2010.05117 · pith_short_12: DIEHVB6AKDXR · pith_short_16: DIEHVB6AKDXRVS3U · pith_short_8: DIEHVB6A

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/DIEHVB6AKDXRVS3UAIOXMAPASH \
  | 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: 1a087a87c050ef1acb74021d7601e091f8655cfcf8a60f27cf4fc28519e8f914

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f45e8429506f945748f36d25def1ed845a7d184783c5209aad58a70b34f853ea",
    "cross_cats_sorted": [
      "stat.ME"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "econ.EM",
    "submitted_at": "2020-10-10T23:29:27Z",
    "title_canon_sha256": "3f32e10e1154267556a6d551bb9b98348a716cda13732aabc4907e6a35789327"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.05117",
    "kind": "arxiv",
    "version": 5
  }
}