Pith Number

pith:EI525UFG

pith:2018:EI525UFGLVFYPXE6NKG75KCOBL

not attested not anchored not stored refs pending

More powerful logrank permutation tests for two-sample survival data

Marc Ditzhaus, Sarah Friedrich

arxiv:1807.05504 v1 · 2018-07-15 · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EI525UFGLVFYPXE6NKG75KCOBL}

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	2026-05-18T00:10:43.399920Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

223baed0a65d4b87dc9e6a8dfea84e0ae7020791220d275bafc18072a7dc2519

Aliases

arxiv: 1807.05504 · arxiv_version: 1807.05504v1 · doi: 10.48550/arxiv.1807.05504 · pith_short_12: EI525UFGLVFY · pith_short_16: EI525UFGLVFYPXE6 · pith_short_8: EI525UFG

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/EI525UFGLVFYPXE6NKG75KCOBL \
  | 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: 223baed0a65d4b87dc9e6a8dfea84e0ae7020791220d275bafc18072a7dc2519

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30a3e2a6d119f6d1af2ad113dd41a709f5005dc718308e425c5e7b64cc12d820",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2018-07-15T07:39:19Z",
    "title_canon_sha256": "4ce2f2f692851a502ee5395e8d696d908353fc71b9fac0158054ebe5fd486687"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.05504",
    "kind": "arxiv",
    "version": 1
  }
}