Pith Number

pith:Z57YSNTX

pith:2018:Z57YSNTXOCZMOBLJDB34NSDDRU

not attested not anchored not stored refs pending

Countdown Regression: Sharp and Calibrated Survival Predictions

Anand Avati, Andrew Ng, Kenneth Jung, Nigam H. Shah, Sharon Zhou, Tony Duan

arxiv:1806.08324 v2 · 2018-06-21 · cs.LG · stat.AP · 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{Z57YSNTXOCZMOBLJDB34NSDDRU}

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	2026-05-17T23:42:58.944269Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf7f89367770b2c705691877c6c8638d317ef3be773c79246be5e226ffeffacd

Aliases

arxiv: 1806.08324 · arxiv_version: 1806.08324v2 · doi: 10.48550/arxiv.1806.08324 · pith_short_12: Z57YSNTXOCZM · pith_short_16: Z57YSNTXOCZMOBLJ · pith_short_8: Z57YSNTX

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/Z57YSNTXOCZMOBLJDB34NSDDRU \
  | 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: cf7f89367770b2c705691877c6c8638d317ef3be773c79246be5e226ffeffacd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "977bfaaebcc1a44fc68e1de6b9264358ef232440f0006d85d0208100f4d3f301",
    "cross_cats_sorted": [
      "stat.AP",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-06-21T17:12:10Z",
    "title_canon_sha256": "282a6ac8678b924a3515e3e03ed3d260d35ab44348291fb972458f058e06eaa1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.08324",
    "kind": "arxiv",
    "version": 2
  }
}