Pith Number

pith:32BQSTBM

pith:2023:32BQSTBMPSOQ35M7D3WD7X6AJU

not attested not anchored not stored refs pending

Private and Collaborative Kaplan-Meier Estimators

Ina Kurth, Mario Fritz, Raouf Kerkouche, Shadi Rahimian

arxiv:2305.15359 v2 · 2023-05-24 · cs.CR · 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{32BQSTBMPSOQ35M7D3WD7X6AJU}

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	2026-07-05T08:49:24.492631Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de83094c2c7c9d0df59f1eec3fdfc04d3b81ec2835a71210f51a755d0138b851

Aliases

arxiv: 2305.15359 · arxiv_version: 2305.15359v2 · doi: 10.48550/arxiv.2305.15359 · pith_short_12: 32BQSTBMPSOQ · pith_short_16: 32BQSTBMPSOQ35M7 · pith_short_8: 32BQSTBM

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/32BQSTBMPSOQ35M7D3WD7X6AJU \
  | 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: de83094c2c7c9d0df59f1eec3fdfc04d3b81ec2835a71210f51a755d0138b851

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffe445fb97e41168f643ba85f2aa62247159a0b955976905165aa67592a5c249",
    "cross_cats_sorted": [
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2023-05-24T17:11:48Z",
    "title_canon_sha256": "6b9b08eb2a8d5685e9f772269ae72aebd2e3d597eb9ac8aec4abe97a77f5587e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2305.15359",
    "kind": "arxiv",
    "version": 2
  }
}