Pith Number

pith:R35BAWWQ

pith:2019:R35BAWWQXMMMVXY3UUGTXMC3B5

not attested not anchored not stored refs pending

Survival Forests under Test: Impact of the Proportional Hazards Assumption on Prognostic and Predictive Forests for ALS Survival

Heidi Seibold, Natalia Korepanova, Torsten Hothorn, Verena Steffen

arxiv:1902.01587 v1 · 2019-02-05 · stat.ME · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R35BAWWQXMMMVXY3UUGTXMC3B5}

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	2026-07-05T00:13:29.228597Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8efa105ad0bb18cadf1ba50d3bb05b0f4ddc6484cd694ca1bff0666a5add0b58

Aliases

arxiv: 1902.01587 · arxiv_version: 1902.01587v1 · doi: 10.48550/arxiv.1902.01587 · pith_short_12: R35BAWWQXMMM · pith_short_16: R35BAWWQXMMMVXY3 · pith_short_8: R35BAWWQ

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/R35BAWWQXMMMVXY3UUGTXMC3B5 \
  | 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: 8efa105ad0bb18cadf1ba50d3bb05b0f4ddc6484cd694ca1bff0666a5add0b58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80d81da74ee17ee1031ad8cbe4f01c285d777dc573f42e8deb1c3b0317c2c0eb",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2019-02-05T08:23:52Z",
    "title_canon_sha256": "deb03fc01a2e7f39413fce1ce7c2928544102e4e24efead3d6dad22495bc2e8f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.01587",
    "kind": "arxiv",
    "version": 1
  }
}