Pith Number

pith:2T5YQGN3

pith:2018:2T5YQGN3VYZYD7NO7BDDJREM2Y

not attested not anchored not stored refs pending

Bayesian learning for the Markowitz portfolio selection problem

Carmine De Franco, CREST), Huy\^en Pham (LPSM UMR 8001, Johann Nicolle (LPSM UMR 8001)

arxiv:1811.06893 v1 · 2018-11-16 · q-fin.PM · math.OC · q-fin.CP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2T5YQGN3VYZYD7NO7BDDJREM2Y}

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	2026-05-18T00:00:33.546823Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4fb8819bbae3381fdaef84634c48cd6207f4785db5d4e5e7043f7b493d66042

Aliases

arxiv: 1811.06893 · arxiv_version: 1811.06893v1 · doi: 10.48550/arxiv.1811.06893 · pith_short_12: 2T5YQGN3VYZY · pith_short_16: 2T5YQGN3VYZYD7NO · pith_short_8: 2T5YQGN3

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/2T5YQGN3VYZYD7NO7BDDJREM2Y \
  | 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: d4fb8819bbae3381fdaef84634c48cd6207f4785db5d4e5e7043f7b493d66042

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b31003313f4e08f94105648882fe724d730eab2a13ec33c7fb267fd7f55aeb7f",
    "cross_cats_sorted": [
      "math.OC",
      "q-fin.CP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.PM",
    "submitted_at": "2018-11-16T16:30:19Z",
    "title_canon_sha256": "c9137c5663fd787de80e32fa00d235b0dcb16505a81b837521f1312213a24980"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.06893",
    "kind": "arxiv",
    "version": 1
  }
}