{
  "_meta": {
    "contract": "cry01-signal",
    "version": "1.0",
    "purpose": "Capacity signal registration by a verified SASE participant."
  },
  "_header": {
    "addon": "cry01",
    "association_slug": "The association this signal is registered against.",
    "participant_xchan": "The xchan hash of the signaling participant.",
    "submitted_at": "ISO 8601 timestamp.",
    "node_token_hash": "SHA-256 of the node token — not the token itself."
  },
  "_payload": {
    "g1_pubkey": "The participant's Ğ1 public key. Required — this is the payment address.",
    "capacity_description": "Plain-language description of what is being offered or sought.",
    "g1_denomination": "The amount in Ğ1 the participant considers fair exchange.",
    "duration_days": "How many days this capacity is available from submission date.",
    "category_id": "One of the operator-defined signal_categories ids from config.json.",
    "direction": "offer or seek — whether the participant is providing or requesting this capacity."
  },
  "_credentials": {
    "vc": "W3C Verifiable Credential issued for this signal. See CRY01-SPEC.md contracts/vc-v1.json.",
    "ots": "OpenTimestamps proof anchoring this signal to Bitcoin. See CRY01-SPEC.md contracts/ots-v1.json."
  }
}