Pith Number

pith:32RFK6CO

pith:2019:32RFK6CO3WYADATKVI75TGHRUL

not attested not anchored not stored refs pending

Effect of Interim Adaptations in Group Sequential Designs

Nancy Flournoy, Sergey Tarima

arxiv:1908.01411 v1 · 2019-08-04 · 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{32RFK6CO3WYADATKVI75TGHRUL}

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	2026-07-04T23:51:30.194383Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dea255784eddb001826aaa3fd998f1a2e502cc8ffed9481cc84f3fb755bf9aa1

Aliases

arxiv: 1908.01411 · arxiv_version: 1908.01411v1 · doi: 10.48550/arxiv.1908.01411 · pith_short_12: 32RFK6CO3WYA · pith_short_16: 32RFK6CO3WYADATK · pith_short_8: 32RFK6CO

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/32RFK6CO3WYADATKVI75TGHRUL \
  | 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: dea255784eddb001826aaa3fd998f1a2e502cc8ffed9481cc84f3fb755bf9aa1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb44aba8ac94bb15411e71350b4b50dd9dca9e57ba79bdd31ccf0f4dd4aefe60",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2019-08-04T22:02:54Z",
    "title_canon_sha256": "3a86cedb207049eec5a0902b5ee1e75d02498c62de873aa2e5e56381ca53e41b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.01411",
    "kind": "arxiv",
    "version": 1
  }
}