Marco Sabiu
type: MusicGroup
genre: chamber pop
genre: trip hop
description: Marco Sabiu (born 1 September 1963) is an Italian-born musician and composer who has worked with Take That, Kylie Minogue, Barry Blue, Christopher Lee, and made music for television. Career Born in t
popularity: 20
followers: 133
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa7216df3d2364200b34ca18440dd0b541ba60f07c373107d0ee9743401f9d227
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953817
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953817
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/fef664ae-4b56-4c92-b336-0f9e569b4403.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/fef664ae-4b56-4c92-b336-0f9e569b4403.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/fef664ae-4b56-4c92-b336-0f9e569b4403
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T18:10:31Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa7216df3d2364200b34ca18440dd0b541ba60f07c373107d0ee9743401f9d227","name":"Marco Sabiu","registered_at":"2026-06-15T07:19:44Z","symbol":"NIM0722991","token_address":"0x23420f8597b5298db97762f0c05b6fad6b9aec79","type":"artist","uuid":"fef664ae-4b56-4c92-b336-0f9e569b4403"}
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7216df3d2364200b34ca18440dd0b541ba60f07c373107d0ee9743401f9d227. Chain 2 (Bitcoin): anchored in block 953819 (2026-06-15T18:31:52Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/fef664ae-4b56-4c92-b336-0f9e569b4403.json and https://artists.proofprofile.net/proofs/artist/fef664ae-4b56-4c92-b336-0f9e569b4403.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T18:31:52Z
  text: {"copyright_id":"0xa7216df3d2364200b34ca18440dd0b541ba60f07c373107d0ee9743401f9d227","name":"Marco Sabiu","registered_at":"2026-06-15T07:19:44Z","symbol":"NIM0722991","token_address":"0x23420f8597b5298db97762f0c05b6fad6b9aec79","type":"artist","uuid":"fef664ae-4b56-4c92-b336-0f9e569b4403"}