Estácio De Sá
type: MusicGroup
genre: samba
description: Estácio de Sá (1520 – 20 February 1567) was a Portuguese soldier and officer. Sá travelled to the colony of Brazil on the orders of the Portuguese crown to wage war on the French colonists commanded b
popularity: 12
followers: 604
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb80a9ba9a9def31b97c1ae6d16a8ff0d92ff5d964bc368942f720f75f73c3d47
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953778
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953778
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/cce45c08-b120-442a-82bf-6748d53e3557.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/cce45c08-b120-442a-82bf-6748d53e3557.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/cce45c08-b120-442a-82bf-6748d53e3557
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T11:57:35Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb80a9ba9a9def31b97c1ae6d16a8ff0d92ff5d964bc368942f720f75f73c3d47","name":"Estácio De Sá","registered_at":"2026-06-15T02:09:45Z","symbol":"NIM0649002","token_address":"0x51dd62a90c351625416897870ad4d9de166da459","type":"artist","uuid":"cce45c08-b120-442a-82bf-6748d53e3557"}
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 0xb80a9ba9a9def31b97c1ae6d16a8ff0d92ff5d964bc368942f720f75f73c3d47. Chain 2 (Bitcoin): anchored in block 953778 (2026-06-15T11:57:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/cce45c08-b120-442a-82bf-6748d53e3557.json and https://artists.proofprofile.net/proofs/artist/cce45c08-b120-442a-82bf-6748d53e3557.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T11:57:35Z
  text: {"copyright_id":"0xb80a9ba9a9def31b97c1ae6d16a8ff0d92ff5d964bc368942f720f75f73c3d47","name":"Estácio De Sá","registered_at":"2026-06-15T02:09:45Z","symbol":"NIM0649002","token_address":"0x51dd62a90c351625416897870ad4d9de166da459","type":"artist","uuid":"cce45c08-b120-442a-82bf-6748d53e3557"}
album: Os Sambas Que Não Desfilaram (Estácio de Sá)
  type: MusicAlbum
  date published: 2024-01-01
album: G.R.E.S Estácio 2024 Samba de China e Cia
  type: MusicAlbum
  date published: 2023-06-27