Pith Number

pith:DCMP5LX6

pith:2019:DCMP5LX6SBFJVWCDIRZITGBV4B

not attested not anchored not stored refs pending

Index Tracking with Cardinality Constraints: A Stochastic Neural Networks Approach

Bowei Chen, Timothy M. Hospedales, Yongxin Yang, Yu Zheng

arxiv:1911.05052 v2 · 2019-11-12 · q-fin.PM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DCMP5LX6SBFJVWCDIRZITGBV4B}

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	2026-07-05T00:19:11.583065Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1898feaefe904a9ad8434472899835e07778898db8aacb25aa02d3180d4ad199

Aliases

arxiv: 1911.05052 · arxiv_version: 1911.05052v2 · doi: 10.48550/arxiv.1911.05052 · pith_short_12: DCMP5LX6SBFJ · pith_short_16: DCMP5LX6SBFJVWCD · pith_short_8: DCMP5LX6

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/DCMP5LX6SBFJVWCDIRZITGBV4B \
  | 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: 1898feaefe904a9ad8434472899835e07778898db8aacb25aa02d3180d4ad199

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4fc852d2cbf03f2f13eaf1696db5eb76c215d3456fd6507637327e03715b5726",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.PM",
    "submitted_at": "2019-11-12T18:18:22Z",
    "title_canon_sha256": "601796a4c83e84197868011e5dc1255c59fda9b92359e9f5585f338e6f3460d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.05052",
    "kind": "arxiv",
    "version": 2
  }
}