Pith Number

pith:OLEJSUAJ

pith:2026:OLEJSUAJSOPM2LBXDTWWC6VI6O

not attested not anchored not stored refs pending

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

Michael T. M. Emmerich

arxiv:2606.26591 v1 · 2026-06-25 · math.OC · cs.CG · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OLEJSUAJSOPM2LBXDTWWC6VI6O}

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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

3 papers in Pith

Computing the Integral R2 Indicator by Perspective Mapping and Box Decomposition

Receipt and verification

First computed	2026-06-26T01:15:35.725096Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72c8995009939ecd2c371ced617aa8f3a1cfebeaa61a0eefba43ab5b2e2fd8af

Aliases

arxiv: 2606.26591 · arxiv_version: 2606.26591v1 · doi: 10.48550/arxiv.2606.26591 · pith_short_12: OLEJSUAJSOPM · pith_short_16: OLEJSUAJSOPM2LBX · pith_short_8: OLEJSUAJ

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/OLEJSUAJSOPM2LBXDTWWC6VI6O \
  | 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: 72c8995009939ecd2c371ced617aa8f3a1cfebeaa61a0eefba43ab5b2e2fd8af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e1f1d9953ec7077ab122516a4d90f62eeef523948019b5fed04c5ea15b5bbec",
    "cross_cats_sorted": [
      "cs.CG",
      "cs.NE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2026-06-25T04:25:20Z",
    "title_canon_sha256": "e405af1c5e57f912b34ad993bc137575d5ebc59040711e7987e78e8a32ed9524"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.26591",
    "kind": "arxiv",
    "version": 1
  }
}