Fábrica de Calma
type: MusicGroup
popularity: 15
followers: 233
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc08466e91ed9fbd377b314eca0491c71d0a99a02c02b270643cfb413a51b43e5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953630
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953630
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2fa67207-542d-4ce1-9b25-4c1c3bf807b9.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2fa67207-542d-4ce1-9b25-4c1c3bf807b9.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/2fa67207-542d-4ce1-9b25-4c1c3bf807b9
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T12:06:27Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc08466e91ed9fbd377b314eca0491c71d0a99a02c02b270643cfb413a51b43e5","name":"Fábrica de Calma","registered_at":"2026-06-14T09:28:43Z","symbol":"NIM0410140","token_address":"0xc12acee0e7c3b2745ad44440aed6748e2c642221","type":"artist","uuid":"2fa67207-542d-4ce1-9b25-4c1c3bf807b9"}
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 0xc08466e91ed9fbd377b314eca0491c71d0a99a02c02b270643cfb413a51b43e5. Chain 2 (Bitcoin): anchored in block 953630 (2026-06-14T12:06:27Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2fa67207-542d-4ce1-9b25-4c1c3bf807b9.json and https://artists.proofprofile.net/proofs/artist/2fa67207-542d-4ce1-9b25-4c1c3bf807b9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T12:06:27Z
  text: {"copyright_id":"0xc08466e91ed9fbd377b314eca0491c71d0a99a02c02b270643cfb413a51b43e5","name":"Fábrica de Calma","registered_at":"2026-06-14T09:28:43Z","symbol":"NIM0410140","token_address":"0xc12acee0e7c3b2745ad44440aed6748e2c642221","type":"artist","uuid":"2fa67207-542d-4ce1-9b25-4c1c3bf807b9"}
album: Calma
  type: MusicAlbum
  date published: 2020-12-02
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