Som de Útero
type: MusicGroup
popularity: 25
followers: 164
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf8a6b814bbeb6a901c5dfeed9f776f24be3569778bc816a9ea8f07ce3fb45b02
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953408
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953408
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c97f7539-dec7-4882-9fa1-01426aad61ee.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c97f7539-dec7-4882-9fa1-01426aad61ee.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c97f7539-dec7-4882-9fa1-01426aad61ee
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:28:13Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf8a6b814bbeb6a901c5dfeed9f776f24be3569778bc816a9ea8f07ce3fb45b02","name":"Som de Útero","registered_at":"2026-06-12T09:44:16Z","symbol":"NIM0259856","token_address":"0xd8f909e7116ac96eee4c9751282676a47288b455","type":"artist","uuid":"c97f7539-dec7-4882-9fa1-01426aad61ee"}
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 0xf8a6b814bbeb6a901c5dfeed9f776f24be3569778bc816a9ea8f07ce3fb45b02. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c97f7539-dec7-4882-9fa1-01426aad61ee.json and https://artists.proofprofile.net/proofs/artist/c97f7539-dec7-4882-9fa1-01426aad61ee.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T21:20:00Z
  text: {"copyright_id":"0xf8a6b814bbeb6a901c5dfeed9f776f24be3569778bc816a9ea8f07ce3fb45b02","name":"Som de Útero","registered_at":"2026-06-12T09:44:16Z","symbol":"NIM0259856","token_address":"0xd8f909e7116ac96eee4c9751282676a47288b455","type":"artist","uuid":"c97f7539-dec7-4882-9fa1-01426aad61ee"}
album: Som de Útero Com Batidas do Coração e Ruído Branco - Loopable
  type: MusicAlbum
  date published: 2023-06-01
album: Música para Bebê Dormir Com Relaxante Som de Útero - Loopable
  type: MusicAlbum
  date published: 2025-04-24