Pith Number

pith:XJKC72E7

pith:2018:XJKC72E7MFYF4YTYTHRJWD4LQK

not attested not anchored not stored refs pending

A Panel Quantile Approach to Attrition Bias in Big Data: Evidence from a Randomized Experiment

Carlos Lamarche, Matthew Harding

arxiv:1808.03364 v1 · 2018-08-09 · econ.EM · cs.LG · stat.AP · 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{XJKC72E7MFYF4YTYTHRJWD4LQK}

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	2026-05-18T00:08:27.506129Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba542fe89f61705e627899e29b0f8b8285036492fb223b5d2d7164aa9ca6f474

Aliases

arxiv: 1808.03364 · arxiv_version: 1808.03364v1 · doi: 10.48550/arxiv.1808.03364 · pith_short_12: XJKC72E7MFYF · pith_short_16: XJKC72E7MFYF4YTY · pith_short_8: XJKC72E7

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/XJKC72E7MFYF4YTYTHRJWD4LQK \
  | 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: ba542fe89f61705e627899e29b0f8b8285036492fb223b5d2d7164aa9ca6f474

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4018278cf8cd11437f019a791dc26d7fd09e632d4912920b2751576c0054fe8",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.AP",
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "econ.EM",
    "submitted_at": "2018-08-09T22:35:27Z",
    "title_canon_sha256": "3efa9506bb162052c3bb63bc6b6cea997a9263b25b83114b9a6f7900635e5170"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.03364",
    "kind": "arxiv",
    "version": 1
  }
}