Pith Number

pith:6YRMWVWV

pith:2025:6YRMWVWVJ5NRJNC4NEHVMMVPXC

not attested not anchored not stored refs pending

Multi-objective Portfolio Optimization Via Gradient Descent

Christian Oliva, Luis F. Lago-Fern\'andez, Pedro R. Ventura

arxiv:2507.16717 v1 · 2025-07-22 · cs.CE · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6YRMWVWVJ5NRJNC4NEHVMMVPXC}

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	2026-07-05T11:41:29.800776Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f622cb56d54f5b14b45c690f5632afb8ae1351877211928d02b2704878db7880

Aliases

arxiv: 2507.16717 · arxiv_version: 2507.16717v1 · doi: 10.48550/arxiv.2507.16717 · pith_short_12: 6YRMWVWVJ5NR · pith_short_16: 6YRMWVWVJ5NRJNC4 · pith_short_8: 6YRMWVWV

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/6YRMWVWVJ5NRJNC4NEHVMMVPXC \
  | 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: f622cb56d54f5b14b45c690f5632afb8ae1351877211928d02b2704878db7880

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "248500ff8e18c914ab265a96dcde2274bb3ada5b1b4b65abe2c9995b6fd522b7",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2025-07-22T15:55:00Z",
    "title_canon_sha256": "ae238077c1e3b20b6a9e729c7380736057b586e94232bbf9e3dc6f56317807e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.16717",
    "kind": "arxiv",
    "version": 1
  }
}