Pith Number

pith:HNPEBWOC

pith:2022:HNPEBWOCPIAFKB4Q6AZMCSGKBA

not attested not anchored not stored refs pending

Damped Online Newton Step for Portfolio Selection

Alexander Rakhlin, Zakaria Mhammedi

arxiv:2202.07574 v1 · 2022-02-15 · cs.LG · 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{HNPEBWOCPIAFKB4Q6AZMCSGKBA}

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	2026-07-05T03:57:01.419556Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b5e40d9c27a00550790f032c148ca082f48be94cf2e1c32503e828e9fdfc56a

Aliases

arxiv: 2202.07574 · arxiv_version: 2202.07574v1 · doi: 10.48550/arxiv.2202.07574 · pith_short_12: HNPEBWOCPIAF · pith_short_16: HNPEBWOCPIAFKB4Q · pith_short_8: HNPEBWOC

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/HNPEBWOCPIAFKB4Q6AZMCSGKBA \
  | 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: 3b5e40d9c27a00550790f032c148ca082f48be94cf2e1c32503e828e9fdfc56a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d5c6c9fa83b00f2cbc342ced1b5676b988b508e6faed92107343c559f07ee05f",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-02-15T17:01:55Z",
    "title_canon_sha256": "7f37419f27f5373532d7210b0ac72d1a0a9441e33e1267931334db0dd485bb6d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.07574",
    "kind": "arxiv",
    "version": 1
  }
}