Sainro
type: MusicGroup
popularity: 2
followers: 181
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd71feee5e9c9c1f784ac5e8cd96ce0b5f2ed23690e2782c14bdd947971592c9a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954667
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954667
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/befc9022-a2c4-4d05-80a9-988e3a05f70d.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/befc9022-a2c4-4d05-80a9-988e3a05f70d.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/befc9022-a2c4-4d05-80a9-988e3a05f70d
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T07:29:20Z
additional property: OTSCanonicalRecord
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 0xd71feee5e9c9c1f784ac5e8cd96ce0b5f2ed23690e2782c14bdd947971592c9a. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/befc9022-a2c4-4d05-80a9-988e3a05f70d.json and https://artists.proofprofile.net/proofs/artist/befc9022-a2c4-4d05-80a9-988e3a05f70d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T07:29:20Z
album: Revival
  type: MusicAlbum
  date published: 2021-06-18
album: Away
  type: MusicAlbum
  date published: 2021-07-13
album: Horizon
  type: MusicAlbum
  date published: 2021-08-02
album: Dreams
  type: MusicAlbum
  date published: 2022-05-15
album: Psychedelic
  type: MusicAlbum
  date published: 2022-08-28
album: Easy To Love
  type: MusicAlbum
  date published: 2022-09-09
album: Shadow
  type: MusicAlbum
  date published: 2022-10-07
album: Shadow
  type: MusicAlbum
  date published: 2022-10-07
album: Promise
  type: MusicAlbum
  date published: 2023-03-07
album: Dancing Under The Stars
  type: MusicAlbum
  date published: 2023-09-28
album: Stories
  type: MusicAlbum
  date published: 2024-02-09
album: Brighter Days
  type: MusicAlbum
  date published: 2024-05-18
album: No Matter What
  type: MusicAlbum
  date published: 2024-10-30
album: Ethereal
  type: MusicAlbum
  date published: 2025-03-21
album: No Matter What (Lewind Remix)
  type: MusicAlbum
  date published: 2025-10-31