{
  "standard": "SML-4B",
  "issue": "000",
  "status": "frozen_rule",
  "published_at": "2026-10-02",
  "canonical_url": "https://scriptmasterlabs.com/sml-4b",
  "machine_url": "https://scriptmasterlabs.com/sml-4b.json",
  "operator": "Script Master Labs, LLC",
  "counting_rule": {
    "statement": "Agent commerce is a settlement joined to a delivery receipt.",
    "accepted_requires": ["settlement", "delivery_receipt", "deterministic_join"],
    "receipt_join_required": true,
    "settlement_alone_counts_as_commerce": false
  },
  "buckets": {
    "accepted": {
      "definition": "Settlement deterministically joined to an accepted delivery receipt under the frozen measurement contract.",
      "issue_000_total": null,
      "reason_null": "Issue 001 has not yet published the first SML-indexed window."
    },
    "bridge": {
      "definition": "Bridge or cross-domain value movement not proven to be accepted delivery commerce."
    },
    "facilitator_wallet": {
      "definition": "Settlement or submission activity attributable to a facilitator or relayer wallet and not joined to an accepted delivery receipt."
    },
    "dust_cycle": {
      "definition": "Repeated low-value cyclic movement meeting the published classifier rule and not joined to an accepted delivery receipt."
    },
    "unattributed": {
      "definition": "Settlement evidence exists but evidence is insufficient for another bucket or an accepted-delivery join."
    }
  },
  "wallet_census": {
    "append_only": true,
    "entries": [],
    "required_fields": ["address", "bucket", "evidence", "window", "classifier_version", "observed_at"],
    "reclassification_rule": "Never mutate or erase a prior record. Append a superseding record with supersedes=<record_id>."
  },
  "measurement_policy": {
    "aggregate_without_named_wallet_records": false,
    "promote_unattributed_without_new_evidence": false,
    "infer_commerce_from_http_402": false,
    "infer_commerce_from_settlement_only": false,
    "quote_accepted_total_before_issue_001": false
  },
  "evidence": [
    {
      "type": "paper",
      "title": "How Agentic Is Agentic Commerce? A Population-Scale Measurement of x402 Adoption and Authenticity",
      "authors": ["Shengchen Ling", "Yajin Zhou", "Lei Wu", "Cong Wang"],
      "identifier": "arXiv:2607.12575",
      "url": "https://arxiv.org/abs/2607.12575",
      "reported_scope": "136.7M settlements, approximately $44.1M over 280 days; 21.2% fictitious and 63.78% internal to linked clusters"
    }
  ],
  "withheld_claims": [
    {
      "claim": "54.8x / $42.3B broad-relayer-filter sensitivity",
      "status": "withheld_pending_reproducible_source_artifact",
      "effect_on_counting_rule": "none"
    }
  ],
  "next_issue": {
    "issue": "001",
    "required_before_accepted_total": ["defined_block_or_time_window", "indexed_settlements", "named_wallet_classifications", "delivery_receipt_joins", "append_only_artifact"]
  }
}