Pith Number

pith:PSYVBVBI

pith:2019:PSYVBVBI6KLEBCJTHCWEYIPNBI

not attested not anchored not stored refs pending

Non-Smooth Backfitting for Excess Risk Additive Regression Model with Two Survival Time-Scales

Jens P. Nielsen, Munir Hiabu, Thomas H. Scheike

arxiv:1904.01202 v1 · 2019-04-02 · 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{PSYVBVBI6KLEBCJTHCWEYIPNBI}

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	2026-05-17T23:49:35.570599Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7cb150d428f29640893338ac4c21ed0a001ed47aeecef838d13d1e2345c7dcdd

Aliases

arxiv: 1904.01202 · arxiv_version: 1904.01202v1 · doi: 10.48550/arxiv.1904.01202 · pith_short_12: PSYVBVBI6KLE · pith_short_16: PSYVBVBI6KLEBCJT · pith_short_8: PSYVBVBI

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/PSYVBVBI6KLEBCJTHCWEYIPNBI \
  | 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: 7cb150d428f29640893338ac4c21ed0a001ed47aeecef838d13d1e2345c7dcdd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56ee78a6ecd17040903f93c9bcda9580e0bbda1af1588875e970611de9a6b326",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2019-04-02T03:57:00Z",
    "title_canon_sha256": "42ff7f9a27b07779fdf9791cdd6b814a840ce56ea6f9b692dc2491352a4c2286"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.01202",
    "kind": "arxiv",
    "version": 1
  }
}