Pith Number

pith:BQL2FGYD

pith:2019:BQL2FGYDQFVYVPGBA7DOKT36E2

not attested not anchored not stored refs pending

Rebuttal of "On Nonparametric Identification of Treatment Effects in Duration Models"

Gerard J. van den Berg, Jaap H. Abbring

arxiv:1907.09886 v1 · 2019-07-20 · 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{BQL2FGYDQFVYVPGBA7DOKT36E2}

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	2026-05-17T23:39:49.792338Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c17a29b03816b8abcc107c6e54f7e26949c89a4b1432ad58f03a3111b83e758

Aliases

arxiv: 1907.09886 · arxiv_version: 1907.09886v1 · doi: 10.48550/arxiv.1907.09886 · pith_short_12: BQL2FGYDQFVY · pith_short_16: BQL2FGYDQFVYVPGB · pith_short_8: BQL2FGYD

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/BQL2FGYDQFVYVPGBA7DOKT36E2 \
  | 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: 0c17a29b03816b8abcc107c6e54f7e26949c89a4b1432ad58f03a3111b83e758

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d598d35c65efd60d112e93a9192f09f9ad4e851c06abc820de7b32c908ad826",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "econ.EM",
    "submitted_at": "2019-07-20T09:18:44Z",
    "title_canon_sha256": "59399e1d4119929ba7d7c49b4a1e1d4785db019f3784f58a20ee2c42b9b66192"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.09886",
    "kind": "arxiv",
    "version": 1
  }
}