Pith Number

pith:P5CM7W3X

pith:2026:P5CM7W3XOEGVCOM6H2GYK7X6YD

not attested not anchored not stored refs pending

Mortality Heterogeneity and Actuarial Fairness in China's Notional Defined Contribution Pension System

Hong Li, Kenneth Q. Zhou, Xiaobai Zhu, Xiaoyu Dong

arxiv:2605.17768 v1 · 2026-05-18 · q-fin.RM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P5CM7W3XOEGVCOM6H2GYK7X6YD}

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	2026-05-20T00:04:57.146209Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f44cfdb77710d51399e3e8d857efec0f4bad977d45bb81d0e1f89a8f2bcf54e

Aliases

arxiv: 2605.17768 · arxiv_version: 2605.17768v1 · doi: 10.48550/arxiv.2605.17768 · pith_short_12: P5CM7W3XOEGV · pith_short_16: P5CM7W3XOEGVCOM6 · pith_short_8: P5CM7W3X

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/P5CM7W3XOEGVCOM6H2GYK7X6YD \
  | 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: 7f44cfdb77710d51399e3e8d857efec0f4bad977d45bb81d0e1f89a8f2bcf54e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1269353853001a1bbb40311b44b377ec0659b3817f6718d180c24a71a706b4a0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.RM",
    "submitted_at": "2026-05-18T02:38:25Z",
    "title_canon_sha256": "6e6ae7ef62cefae0908b1ee7a6bebb424eecb4ed99d38b982d8b279dd92ae6eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.17768",
    "kind": "arxiv",
    "version": 1
  }
}