Pith Number

pith:4A6Q33GT

pith:2021:4A6Q33GTR2JAAXAHZMEPJNLR3W

not attested not anchored not stored refs pending

Risk Prediction with Imperfect Survival Outcome Information from Electronic Health Records

Jue Hou, Stephanie F. Chan, Tianxi Cai, Xuan Wang

arxiv:2103.04409 v1 · 2021-03-07 · 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{4A6Q33GTR2JAAXAHZMEPJNLR3W}

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	2026-07-05T02:21:05.319219Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e03d0decd38e92005c07cb08f4b571dda28e2cbede59c359f98c6f52d2781b9b

Aliases

arxiv: 2103.04409 · arxiv_version: 2103.04409v1 · doi: 10.48550/arxiv.2103.04409 · pith_short_12: 4A6Q33GTR2JA · pith_short_16: 4A6Q33GTR2JAAXAH · pith_short_8: 4A6Q33GT

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/4A6Q33GTR2JAAXAHZMEPJNLR3W \
  | 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: e03d0decd38e92005c07cb08f4b571dda28e2cbede59c359f98c6f52d2781b9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54ec621059eb6b1e8d1f4b889b40882c195454b21f24f7c91d50a91b1d0a34ed",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2021-03-07T17:39:28Z",
    "title_canon_sha256": "f4b99ca1809a5e15b20d7dc294661db7759de4a1fde9aa4dfb631aef290e9c9a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.04409",
    "kind": "arxiv",
    "version": 1
  }
}