Pith Number

pith:6DH35EDR

pith:2026:6DH35EDRWV53H6O24KJH65MI7V

not attested not anchored not stored refs pending

DASH: A Dimensionality Reduction Method for Large-scale Convex MIQP with Applications in Subset Portfolio Selection

Pinzhang Cheng

arxiv:2606.20141 v1 · 2026-06-18 · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6DH35EDRWV53H6O24KJH65MI7V}

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	2026-06-19T16:13:03.869275Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f0cfbe9071b57bb3f9dae2927f7588fd4b94301fcadb9b53d9eeb8f14594a159

Aliases

arxiv: 2606.20141 · arxiv_version: 2606.20141v1 · doi: 10.48550/arxiv.2606.20141 · pith_short_12: 6DH35EDRWV53 · pith_short_16: 6DH35EDRWV53H6O2 · pith_short_8: 6DH35EDR

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/6DH35EDRWV53H6O24KJH65MI7V \
  | 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: f0cfbe9071b57bb3f9dae2927f7588fd4b94301fcadb9b53d9eeb8f14594a159

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8f98e64b55bc5d65a0d719c95b1c5fb91b4bca71bb00b1211a2cd1c55db3325",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2026-06-18T12:03:28Z",
    "title_canon_sha256": "185dd6185174a35d64209263a5e521442059060cf9c6c71e70680cee337d7b62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.20141",
    "kind": "arxiv",
    "version": 1
  }
}