Pedro Sá
type: MusicGroup
genre: nova mpb
description: Pedro Miguel da Cunha e Sá (born 1 December 1993) is a Portuguese professional footballer who plays as a defensive midfielder for Liga Portugal 2 club Penafiel. Club career Born in Póvoa de Varzim, S
popularity: 16
followers: 650
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x50d6093376abfa1fd473db26feccc10154c7a16c8f7bd52f69c414c3a42efe8c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953657
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953657
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/514fe9f7-93ad-4f6f-a691-2139f1467e6c.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/514fe9f7-93ad-4f6f-a691-2139f1467e6c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/514fe9f7-93ad-4f6f-a691-2139f1467e6c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T16:43:25Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x50d6093376abfa1fd473db26feccc10154c7a16c8f7bd52f69c414c3a42efe8c","name":"Pedro Sá","registered_at":"2026-06-14T13:00:33Z","symbol":"NIM0460674","token_address":"0x634afe51f0024f6fb04d6d7e6e867f16375feae4","type":"artist","uuid":"514fe9f7-93ad-4f6f-a691-2139f1467e6c"}
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 0x50d6093376abfa1fd473db26feccc10154c7a16c8f7bd52f69c414c3a42efe8c. Chain 2 (Bitcoin): anchored in block 953657 (2026-06-14T16:43:25Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/514fe9f7-93ad-4f6f-a691-2139f1467e6c.json and https://artists.proofprofile.net/proofs/artist/514fe9f7-93ad-4f6f-a691-2139f1467e6c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T16:43:25Z
  text: {"copyright_id":"0x50d6093376abfa1fd473db26feccc10154c7a16c8f7bd52f69c414c3a42efe8c","name":"Pedro Sá","registered_at":"2026-06-14T13:00:33Z","symbol":"NIM0460674","token_address":"0x634afe51f0024f6fb04d6d7e6e867f16375feae4","type":"artist","uuid":"514fe9f7-93ad-4f6f-a691-2139f1467e6c"}
album: Maior
  type: MusicAlbum
  date published: 2021-10-01
album: Há Um
  type: MusicAlbum
  date published: 2021-10-20
album: Um
  type: MusicAlbum
  date published: 2021-11-04