catalog.json

{
  "type": "Catalog",
  "stac_version": "1.1.0",
  "id": "catalog-001",
  "description": "Sample Catalog with Merkle Root",
  "stac_extensions": [
    "https://stacchain.github.io/merkle-tree/v1.1.1/schema.json"
  ],
  "merkle:object_hash": "abcdef1234567890abcdef1234567890abcdef1234567890abcdef1234567890",
  "merkle:root": "f1e2d3c4b5a67890abcdef1234567890abcdef1234567890abcdef1234567890",
  "merkle:hash_method": {
    "function": "sha256",
    "fields": [
      "*"
    ],
    "ordering": "ascending",
    "description": "Computed by including merkle:object_hash values of child objects in ascending order and building the Merkle tree."
  },
  "links": [
    {
      "rel": "child",
      "href": "collection-123.json"
    },
    {
      "rel": "child",
      "href": "collection-456.json"
    }
  ]
}