Pith Number

pith:S7XEPM4H

pith:2026:S7XEPM4H5II3UH73TCE4DGRYMF

not attested not anchored not stored refs pending

Exact and Fast Subset Selection Algorithms for the Bi-objective Integral R2 Indicator

Michael T.M. Emmerich

arxiv:2606.23365 v1 · 2026-06-22 · cs.CG · cs.DS · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S7XEPM4H5II3UH73TCE4DGRYMF}

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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.

Cited by

1 paper in Pith

Three-Objective Integral R2 Subset Selection: NP-Hardness and Submodular Approximation

Receipt and verification

First computed	2026-06-23T03:14:17.889205Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97ee47b387ea11ba1ffb9889c19a38615d40ef33904303ba22f28c82823b5a98

Aliases

arxiv: 2606.23365 · arxiv_version: 2606.23365v1 · doi: 10.48550/arxiv.2606.23365 · pith_short_12: S7XEPM4H5II3 · pith_short_16: S7XEPM4H5II3UH73 · pith_short_8: S7XEPM4H

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/S7XEPM4H5II3UH73TCE4DGRYMF \
  | 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: 97ee47b387ea11ba1ffb9889c19a38615d40ef33904303ba22f28c82823b5a98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2ea3d7933831ce034d1a112b7234baff4ed8344c1b4bb6c9b13066105843660",
    "cross_cats_sorted": [
      "cs.DS",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2026-06-22T14:01:04Z",
    "title_canon_sha256": "fb8c1f20ed26e93e80b0cad64e99ced05293a1cafa87926388c0d7e44f84ae4d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.23365",
    "kind": "arxiv",
    "version": 1
  }
}