Pith Number

pith:IJ5AYCZF

pith:2016:IJ5AYCZFIBFN5T2VAQ5QS4X7PT

not attested not anchored not stored refs pending

Dynamic portfolio selection without risk-free assets

Chi Kin Lam, Guosheng Yin, Yuhong Xu

arxiv:1602.04975 v1 · 2016-02-16 · q-fin.PM · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IJ5AYCZFIBFN5T2VAQ5QS4X7PT}

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	2026-05-18T01:20:37.755778Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

427a0c0b25404adecf55043b0972ff7cf97db4c4374e8cd9e709713f77c63598

Aliases

arxiv: 1602.04975 · arxiv_version: 1602.04975v1 · doi: 10.48550/arxiv.1602.04975 · pith_short_12: IJ5AYCZFIBFN · pith_short_16: IJ5AYCZFIBFN5T2V · pith_short_8: IJ5AYCZF

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/IJ5AYCZFIBFN5T2VAQ5QS4X7PT \
  | 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: 427a0c0b25404adecf55043b0972ff7cf97db4c4374e8cd9e709713f77c63598

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f47606fb5c099ce7cd6b82fa139fc551ada49f964d24a55a9f2a2f8c97076bc7",
    "cross_cats_sorted": [
      "math.PR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.PM",
    "submitted_at": "2016-02-16T10:36:23Z",
    "title_canon_sha256": "caed2d10a04feecfe6e2cbad631c2ad3d2b8ec2785d896a706eff3a504991738"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.04975",
    "kind": "arxiv",
    "version": 1
  }
}