Pith Number

pith:DEKXE2J3

pith:2018:DEKXE2J3X7KZHTHZBOEU6N6Z7E

not attested not anchored not stored refs pending

An improved fully nonparametric estimator of the marginal survival function based on case-control clustered data

David M. Zucker, Malka Gorfine

arxiv:1812.00641 v1 · 2018-12-03 · 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{DEKXE2J3X7KZHTHZBOEU6N6Z7E}

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	2026-05-17T23:59:19.332285Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

191572693bbfd593ccf90b894f37d9f933a1b7626c3be927d5b27d0f71e26b4f

Aliases

arxiv: 1812.00641 · arxiv_version: 1812.00641v1 · doi: 10.48550/arxiv.1812.00641 · pith_short_12: DEKXE2J3X7KZ · pith_short_16: DEKXE2J3X7KZHTHZ · pith_short_8: DEKXE2J3

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/DEKXE2J3X7KZHTHZBOEU6N6Z7E \
  | 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: 191572693bbfd593ccf90b894f37d9f933a1b7626c3be927d5b27d0f71e26b4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "046ecda03845c6ba46e450993b00ba325acf87e0ab00fe061fc1a9a76bed4e25",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2018-12-03T10:16:50Z",
    "title_canon_sha256": "c0691f3cf2a38c5f1e0a116bfd4f858729557ad49aaad064f755d290a556c61f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.00641",
    "kind": "arxiv",
    "version": 1
  }
}