Pith Number

pith:PMC6DM22

pith:2025:PMC6DM22UN5I5BUB6GTS66YDYY

not attested not anchored not stored refs pending

Gradient boosted multi-population mortality modelling with high-frequency data

Han Li, Yuyu Chen, Ziting Miao

arxiv:2507.09983 v2 · 2025-07-14 · stat.AP · 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{PMC6DM22UN5I5BUB6GTS66YDYY}

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	2026-05-18T02:45:13.381382Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b05e1b35aa37a8e8681f1a72f7b03c6376086e97b9d77ac46f4f54316c2ae0c

Aliases

arxiv: 2507.09983 · arxiv_version: 2507.09983v2 · doi: 10.48550/arxiv.2507.09983 · pith_short_12: PMC6DM22UN5I · pith_short_16: PMC6DM22UN5I5BUB · pith_short_8: PMC6DM22

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/PMC6DM22UN5I5BUB6GTS66YDYY \
  | 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: 7b05e1b35aa37a8e8681f1a72f7b03c6376086e97b9d77ac46f4f54316c2ae0c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "663df2fcd475aab3915e2c280d99e1f064d5c7a8ab37817b9404b113b5fab4fb",
    "cross_cats_sorted": [
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2025-07-14T07:00:27Z",
    "title_canon_sha256": "9d9976c8d7749ef19a2e76221a6e1136af0a7c7feb570bb81b05e9a5a46456a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.09983",
    "kind": "arxiv",
    "version": 2
  }
}