Pith Number

pith:P2KUPXRR

pith:2017:P2KUPXRRMBSW555ZETE6XZDOVG

not attested not anchored not stored refs pending

An Optimal Multi-layer Reinsurance Policy under Conditional Tail Expectation

Ali Panahi Bazaz, Amir T. Payandeh Najafabadi

arxiv:1701.05447 v1 · 2017-01-19 · stat.ME · 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{P2KUPXRRMBSW555ZETE6XZDOVG}

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	2026-05-18T00:52:22.051936Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e9547de3160656ef7b924c9ebe46ea9a298634d884d4ffb78157967eeb54e81

Aliases

arxiv: 1701.05447 · arxiv_version: 1701.05447v1 · doi: 10.48550/arxiv.1701.05447 · pith_short_12: P2KUPXRRMBSW · pith_short_16: P2KUPXRRMBSW555Z · pith_short_8: P2KUPXRR

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/P2KUPXRRMBSW555ZETE6XZDOVG \
  | 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: 7e9547de3160656ef7b924c9ebe46ea9a298634d884d4ffb78157967eeb54e81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34f9e05ba34a5ea3b59631c386a2fab4424a8d9430019deea3fb48504b63c8a0",
    "cross_cats_sorted": [
      "q-fin.RM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2017-01-19T14:51:11Z",
    "title_canon_sha256": "543d443e9d306f9b251e12442861a40d06847d11c66a44311dba7daa5137bb57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.05447",
    "kind": "arxiv",
    "version": 1
  }
}