2+2
type: MusicGroup
popularity: 2
followers: 92
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbc1dc66f27440dc54e7e9e672fb2cab763d7d3bc3a719b3d6fe8b248a8f3e7f8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954065
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954065
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4c762ab0-b062-4a44-809f-81299b54e1f0.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4c762ab0-b062-4a44-809f-81299b54e1f0.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/4c762ab0-b062-4a44-809f-81299b54e1f0
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:10:43Z
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 0xbc1dc66f27440dc54e7e9e672fb2cab763d7d3bc3a719b3d6fe8b248a8f3e7f8. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4c762ab0-b062-4a44-809f-81299b54e1f0.json and https://artists.proofprofile.net/proofs/artist/4c762ab0-b062-4a44-809f-81299b54e1f0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
album: Не прощай
  type: MusicAlbum
  date published: 1998-01-01
album: Не прощай
  type: MusicAlbum
  date published: 1998-01-01
album: Раз, два, три
  type: MusicAlbum
  date published: 2001-01-01
album: Раз, два, три
  type: MusicAlbum
  date published: 2001-01-01
album: 4 стихии
  type: MusicAlbum
  date published: 2005-01-01
album: 4 стихии
  type: MusicAlbum
  date published: 2005-01-01
album: One, Two, Three
  type: MusicAlbum
  date published: 2012-03-08
album: 설레다
  type: MusicAlbum
  date published: 2015-08-01
album: March Madness II
  type: MusicAlbum
  date published: 2016-03-14
album: Veradarzru im Sere
  type: MusicAlbum
  date published: 2020-11-26
album: Только ты
  type: MusicAlbum
  date published: 2022-08-12
album: Избранное
  type: MusicAlbum
  date published: 2023-01-19
album: Избранное
  type: MusicAlbum
  date published: 2023-01-19
album: Когда-нибудь (Rework)
  type: MusicAlbum
  date published: 2024-05-31
album: Опустевший Бульвар
  type: MusicAlbum
  date published: 2024-08-23
album: Шум дождя
  type: MusicAlbum
  date published: 2024-09-20
album: День рождения любимой
  type: MusicAlbum
  date published: 2024-09-27