Pith Number

pith:IKO5FXNM

pith:2017:IKO5FXNMNOZLFJBXEMCR4FOZ4F

not attested not anchored not stored refs pending

Regret-based Selection for Sparse Dynamic Portfolios

Carlos Carvalho, David Puelz, P. Richard Hahn

arxiv:1706.10180 v3 · 2017-06-30 · q-fin.PM · 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{IKO5FXNMNOZLFJBXEMCR4FOZ4F}

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	2026-05-18T00:39:45.835289Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

429dd2ddac6bb2b2a43723051e15d9e1688013b398e89da3e84117de1a5908f9

Aliases

arxiv: 1706.10180 · arxiv_version: 1706.10180v3 · doi: 10.48550/arxiv.1706.10180 · pith_short_12: IKO5FXNMNOZL · pith_short_16: IKO5FXNMNOZLFJBX · pith_short_8: IKO5FXNM

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/IKO5FXNMNOZLFJBXEMCR4FOZ4F \
  | 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: 429dd2ddac6bb2b2a43723051e15d9e1688013b398e89da3e84117de1a5908f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62f007551d236db53cd4606868285e25b140d1177ac2cdf7492b733fd7f58310",
    "cross_cats_sorted": [
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.PM",
    "submitted_at": "2017-06-30T13:03:27Z",
    "title_canon_sha256": "b49a3e302fe7da986e59b9f2801bfc58416944824fb044c8f7753f1e6624d3f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.10180",
    "kind": "arxiv",
    "version": 3
  }
}