Pith Number

pith:Q5RQ54S7

pith:2026:Q5RQ54S7NQWOR4SXPDLNGWKG7Q

not attested not anchored not stored refs pending

GRAFT: Decoupling Ranking and Calibration for Survival Analysis

Mohammad Ashhad, Ricardo Henao, Robert Hoehndorf

arxiv:2602.07884 v2 · 2026-02-08 · cs.LG · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q5RQ54S7NQWOR4SXPDLNGWKG7Q}

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	2026-05-20T00:04:24.776153Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87630ef25f6c2ce8f25778d6d35946fc3b96052f76edc9ffa522945854d29937

Aliases

arxiv: 2602.07884 · arxiv_version: 2602.07884v2 · doi: 10.48550/arxiv.2602.07884 · pith_short_12: Q5RQ54S7NQWO · pith_short_16: Q5RQ54S7NQWOR4SX · pith_short_8: Q5RQ54S7

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/Q5RQ54S7NQWOR4SXPDLNGWKG7Q \
  | 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: 87630ef25f6c2ce8f25778d6d35946fc3b96052f76edc9ffa522945854d29937

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd1c7a748d2dfd3263eecc459077e272a3305393c9a8401f7f405d24f00b9587",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-02-08T09:32:24Z",
    "title_canon_sha256": "04d8799b10c37641db3ca92f14ce95f505d95db4f1f4cef76c93e57382a74c0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.07884",
    "kind": "arxiv",
    "version": 2
  }
}