Pith Number

pith:WL6OAHSQ

pith:2025:WL6OAHSQSZ5OWRJD5FYSA5XRQB

not attested not anchored not stored refs pending

Meta-Learning the Optimal Mixture of Strategies for Online Portfolio Selection

Jia Liu, Jiayu Shen, Zhiping Chen

arxiv:2505.03659 v2 · 2025-05-06 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WL6OAHSQSZ5OWRJD5FYSA5XRQB}

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	2026-07-05T11:01:05.134629Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2fce01e50967aeb4523e9712076f1804e2d914ec565d3b0f2f4bc5b1c791430

Aliases

arxiv: 2505.03659 · arxiv_version: 2505.03659v2 · doi: 10.48550/arxiv.2505.03659 · pith_short_12: WL6OAHSQSZ5O · pith_short_16: WL6OAHSQSZ5OWRJD · pith_short_8: WL6OAHSQ

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/WL6OAHSQSZ5OWRJD5FYSA5XRQB \
  | 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: b2fce01e50967aeb4523e9712076f1804e2d914ec565d3b0f2f4bc5b1c791430

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "615f6c7be842ce507ec513b9539794f4fa508c3bf33fcb211d500a0140832cf4",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2025-05-06T16:05:03Z",
    "title_canon_sha256": "4bc0f9b3170dc3354e1813e3a92ddb53307e6b7160c089620363c31e13a4f55f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.03659",
    "kind": "arxiv",
    "version": 2
  }
}