dgeo/examples/item-core.json at main · DecentralizedGeo/dgeo · GitHub

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{
  "type": "Feature",
  "stac_version": "1.0.0",
  "stac_extensions": [
    "https://raw.githubusercontent.com/DecentralizedGeo/dgeo/refs/heads/main/json-schema/schema.json"
  ],
  "id": "item-core-example",
  "geometry": null,
  "properties": {
    "datetime": "2023-01-01T00:00:00Z",
    "dgeo:cids": [
      "bafybeigdyrzt5sfp7udm7hu76uh7y26nf3efuylqabf3oclgtqy55fbzdi",
      "QmYwAPJzv5CZsnA625s3Xf2nemtYgPpHdWEz79ojWnPbdG"
    ]
  },
  "links": [
    {
      "rel": "self",
      "href": "https://example.com/item-core-example.json"
    }
  ],
  "assets": {
    "visual": {
      "href": "https://gateway.pinata.cloud/ipfs/bafybeigdyrzt5sfp7udm7hu76uh7y26nf3efuylqabf3oclgtqy55fbzdi",
      "type": "image/tiff; application=geotiff",
      "title": "Visual Asset (Primary)",
      "roles": [
        "data",
        "primary"
      ],
      "description": "Primary CID v1 for visual asset using fixed chunking",
      "dgeo:cid": "bafybeigdyrzt5sfp7udm7hu76uh7y26nf3efuylqabf3oclgtqy55fbzdi",
      "dgeo:cid_profile": {
        "cid_version": 1,
        "chunking_algorithm": "fixed-size",
        "chunk_size": 262144,
        "dag_layout": "balanced",
        "hash_function": "sha2-256"
      }
    },
    "visual-legacy": {
      "href": "ipfs://QmYwAPJzv5CZsnA625s3Xf2nemtYgPpHdWEz79ojWnPbdG",
      "type": "image/tiff; application=geotiff",
      "title": "Visual Asset (Legacy CIDv0)",
      "roles": [
        "data",
        "alternative"
      ],
      "description": "Legacy CID v0 hash for backward compatibility",
      "dgeo:cid": "QmYwAPJzv5CZsnA625s3Xf2nemtYgPpHdWEz79ojWnPbdG",
      "dgeo:cid_profile": {
        "cid_version": 0,
        "chunking_algorithm": "fixed-size",
        "chunk_size": 262144,
        "hash_function": "sha2-256"
      }
    }
  }
}