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Pith Number

pith:UEEFMPCF

pith:2018:UEEFMPCFQEYC3BIJDDDNBLKNJ3
not attested not anchored not stored refs pending

Estimating the treatment effect in a subgroup defined by an early post-baseline biomarker measurement in randomized clinical trials with time-to-event endpoint

Bj\"orn Bornkamp, Georgina Bermann

arxiv:1806.08807 v1 · 2018-06-22 · stat.ME

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{UEEFMPCFQEYC3BIJDDDNBLKNJ3}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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 2026-05-18T00:12:31.222710Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

a108563c4581302d850918c6d0ad4d4ee4a15704caf03a169b4354ffe83c2a4a

Aliases

arxiv: 1806.08807 · arxiv_version: 1806.08807v1 · doi: 10.48550/arxiv.1806.08807 · pith_short_12: UEEFMPCFQEYC · pith_short_16: UEEFMPCFQEYC3BIJ · pith_short_8: UEEFMPCF
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/UEEFMPCFQEYC3BIJDDDNBLKNJ3 \
  | 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: a108563c4581302d850918c6d0ad4d4ee4a15704caf03a169b4354ffe83c2a4a
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "3ebf7a8035577249129af91a4e86b2a6bb1a7a546fe6f0e720164cd6473546b2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2018-06-22T18:16:57Z",
    "title_canon_sha256": "fc3a8032c38b216b18660e8a8b45a0229849d0b328e5bd0c4f50e3d5e7937495"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.08807",
    "kind": "arxiv",
    "version": 1
  }
}