Pith Number

pith:JBPZLUVG

pith:2019:JBPZLUVGLRUBVSBTJPQ25OOHZJ

not attested not anchored not stored refs pending

Methodological Issues in Observational Studies

Nyyti Saarim\"aki

arxiv:1908.04366 v1 · 2019-08-12 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JBPZLUVGLRUBVSBTJPQ25OOHZJ}

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.

Cited by

1 paper in Pith

Methodological Issues in Observational Studies

Receipt and verification

First computed	2026-07-04T23:54:30.085228Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

485f95d2a65c681ac8334be1aeb9c7ca6ae024712034e46db3d8c1bce8cdb1c6

Aliases

arxiv: 1908.04366 · arxiv_version: 1908.04366v1 · doi: 10.48550/arxiv.1908.04366 · pith_short_12: JBPZLUVGLRUB · pith_short_16: JBPZLUVGLRUBVSBT · pith_short_8: JBPZLUVG

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/JBPZLUVGLRUBVSBTJPQ25OOHZJ \
  | 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: 485f95d2a65c681ac8334be1aeb9c7ca6ae024712034e46db3d8c1bce8cdb1c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58cbf6ee99642fc6b15939482e68ff91d0427abe1955b3beb7c3429bab56bc98",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2019-08-12T20:19:15Z",
    "title_canon_sha256": "1afa7ca9009a8692392dd3caa350f08e38d2458b7bc5fbff2ac4123c05876e56"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.04366",
    "kind": "arxiv",
    "version": 1
  }
}