Black Thread Hearts
type: MusicGroup
popularity: 3
followers: 36
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x302b7a4eb25519bee0f2644a59b693cb8a6be8c2dcc2e92b88f7da6e609d5c09
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954342
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954342
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/881073fd-a035-436b-8497-da4d274fcc04.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/881073fd-a035-436b-8497-da4d274fcc04.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/881073fd-a035-436b-8497-da4d274fcc04
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:22:39Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x302b7a4eb25519bee0f2644a59b693cb8a6be8c2dcc2e92b88f7da6e609d5c09","name":"Black Thread Hearts","registered_at":"2026-06-17T13:10:30Z","symbol":"NIM1405530","token_address":"0xeb164e53b0a8693d859870ed1e9ee7d1be654e3b","type":"artist","uuid":"881073fd-a035-436b-8497-da4d274fcc04"}
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 0x302b7a4eb25519bee0f2644a59b693cb8a6be8c2dcc2e92b88f7da6e609d5c09. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/881073fd-a035-436b-8497-da4d274fcc04.json and https://artists.proofprofile.net/proofs/artist/881073fd-a035-436b-8497-da4d274fcc04.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:22:39Z
  text: {"copyright_id":"0x302b7a4eb25519bee0f2644a59b693cb8a6be8c2dcc2e92b88f7da6e609d5c09","name":"Black Thread Hearts","registered_at":"2026-06-17T13:10:30Z","symbol":"NIM1405530","token_address":"0xeb164e53b0a8693d859870ed1e9ee7d1be654e3b","type":"artist","uuid":"881073fd-a035-436b-8497-da4d274fcc04"}
album: Spinning Cycles
  type: MusicAlbum
  date published: 2023-04-17
album: Eleanor Rigby (Cover version)
  type: MusicAlbum
  date published: 2023-06-15
album: Part of Us
  type: MusicAlbum
  date published: 2023-12-15
album: Hundred in the Mirror
  type: MusicAlbum
  date published: 2024-08-06
album: Slaying the Abyss
  type: MusicAlbum
  date published: 2024-12-02