Pith Number

pith:5BO5ZUDP

pith:2013:5BO5ZUDPCW6VZ24EMNOLDTKHF6

not attested not anchored not stored refs pending

Spin Glasses and Nonlinear Constraints in Portfolio Optimization

M. Andrecut

arxiv:1311.2511 v1 · 2013-11-11 · q-fin.PM · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5BO5ZUDPCW6VZ24EMNOLDTKHF6}

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	2026-05-18T01:46:32.369513Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e85ddcd06f15bd5ceb84635cb1cd472facf7c9841ee2ea76cebbac4744529484

Aliases

arxiv: 1311.2511 · arxiv_version: 1311.2511v1 · doi: 10.48550/arxiv.1311.2511 · pith_short_12: 5BO5ZUDPCW6V · pith_short_16: 5BO5ZUDPCW6VZ24E · pith_short_8: 5BO5ZUDP

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/5BO5ZUDPCW6VZ24EMNOLDTKHF6 \
  | 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: e85ddcd06f15bd5ceb84635cb1cd472facf7c9841ee2ea76cebbac4744529484

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a594cbca1d0b017d978c9603d22ea12a4abd6dd049b33378b85e5d6a436ee025",
    "cross_cats_sorted": [
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.PM",
    "submitted_at": "2013-11-11T17:45:58Z",
    "title_canon_sha256": "ad9b5ffe9a15bc3a4c88087df541d51cf63e3c37e7ae2b2fdbb64edf26e7afa6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.2511",
    "kind": "arxiv",
    "version": 1
  }
}