Echo Delta
type: MusicGroup
genre: dub techno
popularity: 6
followers: 649
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4864615bcafc7fb133884b6b3e642c6f2b40e5901c9134dd3251da73c6a78a6c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954638
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954638
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d57216d0-8919-491b-8209-b0e50df37ceb.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d57216d0-8919-491b-8209-b0e50df37ceb.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/d57216d0-8919-491b-8209-b0e50df37ceb
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T03:45:44Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4864615bcafc7fb133884b6b3e642c6f2b40e5901c9134dd3251da73c6a78a6c","name":"Echo Delta","registered_at":"2026-06-21T02:25:45Z","symbol":"NIM1789933","token_address":"0xf45d46ff92235142b27470780fbac316bfeca21f","type":"artist","uuid":"d57216d0-8919-491b-8209-b0e50df37ceb"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4864615bcafc7fb133884b6b3e642c6f2b40e5901c9134dd3251da73c6a78a6c. Chain 2 (Bitcoin): anchored in block 954638 (2026-06-21T03:45:44Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d57216d0-8919-491b-8209-b0e50df37ceb.json and https://artists.proofprofile.net/proofs/artist/d57216d0-8919-491b-8209-b0e50df37ceb.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T03:45:44Z
  text: {"copyright_id":"0x4864615bcafc7fb133884b6b3e642c6f2b40e5901c9134dd3251da73c6a78a6c","name":"Echo Delta","registered_at":"2026-06-21T02:25:45Z","symbol":"NIM1789933","token_address":"0xf45d46ff92235142b27470780fbac316bfeca21f","type":"artist","uuid":"d57216d0-8919-491b-8209-b0e50df37ceb"}
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  type: MusicAlbum
  date published: 2015-02-12
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  type: MusicAlbum
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  date published: 2016-02-24
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  date published: 2017-02-24
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