Pith Number

pith:JAMRJOD2

pith:2013:JAMRJOD2PDCIUKAOL37PMMJSDI

not attested not anchored not stored refs pending

Regression techniques for Portfolio Optimisation using MOSEK

Erling Andersen, Joachim Dahl, Raphael Hauser, Thomas Schmelzer

arxiv:1310.3397 v1 · 2013-10-12 · q-fin.PM · 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{JAMRJOD2PDCIUKAOL37PMMJSDI}

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	2026-05-18T03:10:25.946744Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

481914b87a78c48a280e5efef631321a13bed8b75cfe91b6e3db23021993a13a

Aliases

arxiv: 1310.3397 · arxiv_version: 1310.3397v1 · doi: 10.48550/arxiv.1310.3397 · pith_short_12: JAMRJOD2PDCI · pith_short_16: JAMRJOD2PDCIUKAO · pith_short_8: JAMRJOD2

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/JAMRJOD2PDCIUKAOL37PMMJSDI \
  | 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: 481914b87a78c48a280e5efef631321a13bed8b75cfe91b6e3db23021993a13a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5de3369c4cac2018cf2b19aa4734becfc3ccf4df3409b005aa8fd876777c74e5",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.PM",
    "submitted_at": "2013-10-12T15:51:48Z",
    "title_canon_sha256": "a03a89262629862e0c2d54dd2945d50c3b9294fb1f3ee3863e11288a98a97180"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.3397",
    "kind": "arxiv",
    "version": 1
  }
}