Pith Number

pith:ONIMCVOV

pith:2014:ONIMCVOVQDAQV7FYPPO4VXX53S

not attested not anchored not stored refs pending

$L_p$ regularized portfolio optimization

Fabio Caccioli, Imre Kondor, Matteo Marsili, Susanne Still

arxiv:1404.4040 v1 · 2014-04-15 · q-fin.PM · q-fin.RM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ONIMCVOVQDAQV7FYPPO4VXX53S}

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	2026-05-18T02:54:13.108223Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7350c155d580c10afcb87bddcadefddcb3812dfd5d6d7e2f672357e0707271a7

Aliases

arxiv: 1404.4040 · arxiv_version: 1404.4040v1 · doi: 10.48550/arxiv.1404.4040 · pith_short_12: ONIMCVOVQDAQ · pith_short_16: ONIMCVOVQDAQV7FY · pith_short_8: ONIMCVOV

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/ONIMCVOVQDAQV7FYPPO4VXX53S \
  | 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: 7350c155d580c10afcb87bddcadefddcb3812dfd5d6d7e2f672357e0707271a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c792abaa2c06088ba91e381ca423f67e0f17ea4efb19bc6c8881c4244c716d1",
    "cross_cats_sorted": [
      "q-fin.RM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.PM",
    "submitted_at": "2014-04-15T19:50:32Z",
    "title_canon_sha256": "5da8bd6ff32a6a33d613d57dc23adc1c528664c98dc5973c77fe954daa2070c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.4040",
    "kind": "arxiv",
    "version": 1
  }
}