Pith Number

pith:ZYXQN7R5

pith:2011:ZYXQN7R5ZX2UT6KZRSJY2CVSP4

not attested not anchored not stored refs pending

Outperformance Portfolio Optimization via the Equivalence of Pure and Randomized Hypothesis Testing

Jie Yang, Qingshuo Song, Tim Leung

arxiv:1109.5316 v6 · 2011-09-25 · 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{ZYXQN7R5ZX2UT6KZRSJY2CVSP4}

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	2026-05-18T02:21:36.319134Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce2f06fe3dcdf549f9598c938d0ab27f137b3f5b22bde06709ff59817ba7f8d4

Aliases

arxiv: 1109.5316 · arxiv_version: 1109.5316v6 · doi: 10.48550/arxiv.1109.5316 · pith_short_12: ZYXQN7R5ZX2U · pith_short_16: ZYXQN7R5ZX2UT6KZ · pith_short_8: ZYXQN7R5

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/ZYXQN7R5ZX2UT6KZRSJY2CVSP4 \
  | 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: ce2f06fe3dcdf549f9598c938d0ab27f137b3f5b22bde06709ff59817ba7f8d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72e4fabefc0bf438d73b83923efee04276a82ec45a02d1b6e3a6316f12b7f03e",
    "cross_cats_sorted": [
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.PM",
    "submitted_at": "2011-09-25T01:32:32Z",
    "title_canon_sha256": "3964ead3656a8122bf41046c111654e20b29582c825bf90eecc3fcbc37f9dad8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.5316",
    "kind": "arxiv",
    "version": 6
  }
}