Pith Number

pith:LKYIXCEK

pith:2019:LKYIXCEKH5YUMRV7Z57ELGJAPR

not attested not anchored not stored refs pending

A Pilot Design for Observational Studies: Using Abundant Data Thoughtfully

2), (2) Stanford University Department of Statistics, (3) Stanford University Department of Epidemiology, Dylan Greaves (2), Michael Baiocchi (3) ((1) Stanford University Department of Biomedical Informatics, Population Health), Rachael C. Aikens (1

arxiv:1908.09077 v3 · 2019-08-24 · 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{LKYIXCEKH5YUMRV7Z57ELGJAPR}

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	2026-07-05T01:28:40.249052Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ab08b888a3f714646bfcf7e4599207c4c58ed9ed905502c2eddcb73791b518d

Aliases

arxiv: 1908.09077 · arxiv_version: 1908.09077v3 · doi: 10.48550/arxiv.1908.09077 · pith_short_12: LKYIXCEKH5YU · pith_short_16: LKYIXCEKH5YUMRV7 · pith_short_8: LKYIXCEK

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/LKYIXCEKH5YUMRV7Z57ELGJAPR \
  | 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: 5ab08b888a3f714646bfcf7e4599207c4c58ed9ed905502c2eddcb73791b518d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2496a16e9224d7aaf217c44cdbf7eabd31a42041ce5ddcad65eb92a5027bff3b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2019-08-24T02:42:18Z",
    "title_canon_sha256": "9adb31039523da25490f94c350385dcba4ef0183eb337c5f7e762581d9081dc5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.09077",
    "kind": "arxiv",
    "version": 3
  }
}