Pith Number

pith:XF6LZQDY

pith:2015:XF6LZQDYR3EV7SDC5UOYDSNO2W

not attested not anchored not stored refs pending

Causal Inference in Repeated Observational Studies: A Case Study of eBay Product Releases

David Draper, Matt Taddy, Vadim von Brzeski

arxiv:1509.03940 v1 · 2015-09-14 · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XF6LZQDYR3EV7SDC5UOYDSNO2W}

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	2026-05-18T01:33:08.683630Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b97cbcc0788ec95fc862ed1d81c9aed5a4777ecb09d7887ee051756102a1da45

Aliases

arxiv: 1509.03940 · arxiv_version: 1509.03940v1 · doi: 10.48550/arxiv.1509.03940 · pith_short_12: XF6LZQDYR3EV · pith_short_16: XF6LZQDYR3EV7SDC · pith_short_8: XF6LZQDY

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/XF6LZQDYR3EV7SDC5UOYDSNO2W \
  | 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: b97cbcc0788ec95fc862ed1d81c9aed5a4777ecb09d7887ee051756102a1da45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0cd9725f369c70ffb02995a4186015be74b88a60db375dfefedf9c8e57a3b11e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2015-09-14T03:11:40Z",
    "title_canon_sha256": "ae9d4af9eb6dd6eeea52065477c62745f37b27932455be5d88204dd807da7c4e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.03940",
    "kind": "arxiv",
    "version": 1
  }
}