Pith Number

pith:F4NPPAG7

pith:2019:F4NPPAG7EMQQBMKK7FLMZDB6RA

not attested not anchored not stored refs pending

Blinded continuous information monitoring of recurrent event endpoints with time trends in clinical trials

Heinz Schmidli, Norbert Benda, Susanna Salem, Tim Friede, Tobias M\"utze

arxiv:1903.02538 v1 · 2019-03-06 · 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{F4NPPAG7EMQQBMKK7FLMZDB6RA}

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	2026-05-17T23:51:55.108345Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f1af780df232100b14af956cc8c3e883da7f70c4d6c438ef9b251e9b40470e2

Aliases

arxiv: 1903.02538 · arxiv_version: 1903.02538v1 · doi: 10.48550/arxiv.1903.02538 · pith_short_12: F4NPPAG7EMQQ · pith_short_16: F4NPPAG7EMQQBMKK · pith_short_8: F4NPPAG7

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/F4NPPAG7EMQQBMKK7FLMZDB6RA \
  | 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: 2f1af780df232100b14af956cc8c3e883da7f70c4d6c438ef9b251e9b40470e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b9b89d9b5fd5e9de6e5ae8fbda806e4c41da61e86111aca831a2998dd59dc55",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2019-03-06T18:24:02Z",
    "title_canon_sha256": "ac148597cff54c134be8ac8d980e229823f76ec116257dedcbeb5d9e17f0ab17"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.02538",
    "kind": "arxiv",
    "version": 1
  }
}