Pith Number

pith:RDHUXVDJ

pith:2025:RDHUXVDJZMFH26RK5PCZATZ6RW

not attested not anchored not stored refs pending

Profiling Frailty: A parsimonious Frailty Index from health administrative data based on POSET theory

Giovanna Boccuzzo, Margherita Silan, Maurizio Nicolaio

arxiv:2506.23158 v1 · 2025-06-29 · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RDHUXVDJZMFH26RK5PCZATZ6RW}

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	2026-07-05T11:29:16.734018Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88cf4bd469cb0a7d7a2aebc5904f3e8da322fc5b1bdd14314406c8b86ca72732

Aliases

arxiv: 2506.23158 · arxiv_version: 2506.23158v1 · doi: 10.48550/arxiv.2506.23158 · pith_short_12: RDHUXVDJZMFH · pith_short_16: RDHUXVDJZMFH26RK · pith_short_8: RDHUXVDJ

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/RDHUXVDJZMFH26RK5PCZATZ6RW \
  | 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: 88cf4bd469cb0a7d7a2aebc5904f3e8da322fc5b1bdd14314406c8b86ca72732

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de2b3b0bf70dc2336852a14455c5987ab70da876e1c8063882253ce3e0834bf4",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2025-06-29T09:37:16Z",
    "title_canon_sha256": "7f366fd0fea62b98e315b52afaa9895abd8709bebb6d1db28c08bad7e191d1d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.23158",
    "kind": "arxiv",
    "version": 1
  }
}