Contre-Attaque
type: MusicGroup
genre: synthwave
popularity: 3
followers: 418
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7ecbefcbd8beb0d2bf916b833b4b5c678b1285c9fc1e2286678528d8881ecb91
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/d8612b87-2018-4b86-8444-9825543968f2.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d8612b87-2018-4b86-8444-9825543968f2.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/d8612b87-2018-4b86-8444-9825543968f2
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 0x7ecbefcbd8beb0d2bf916b833b4b5c678b1285c9fc1e2286678528d8881ecb91. 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/d8612b87-2018-4b86-8444-9825543968f2.json and https://artists.proofprofile.net/proofs/artist/d8612b87-2018-4b86-8444-9825543968f2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T07:29:20Z
album: Redshift
  type: MusicAlbum
  date published: 2018-04-08
album: Summer Break
  type: MusicAlbum
  date published: 2018-07-16
album: Zero Hour
  type: MusicAlbum
  date published: 2018-10-28
album: Zero Hour
  type: MusicAlbum
  date published: 2018-11-05
album: Zero Hour
  type: MusicAlbum
  date published: 2018-11-05
album: Berserker
  type: MusicAlbum
  date published: 2020-07-31
album: Berserker
  type: MusicAlbum
  date published: 2020-07-31
album: Reborn in Steel
  type: MusicAlbum
  date published: 2020-08-14
album: Reborn in Steel
  type: MusicAlbum
  date published: 2020-08-14
album: Smile While You Can
  type: MusicAlbum
  date published: 2020-10-30
album: Smile While You Can
  type: MusicAlbum
  date published: 2020-10-30
album: God Rest Ye Merry Gentlemen
  type: MusicAlbum
  date published: 2020-12-11
album: God Rest Ye Merry Gentlemen
  type: MusicAlbum
  date published: 2020-12-11
album: PART IV (Radio Edit)
  type: MusicAlbum
  date published: 2023-04-07
album: PART IV (Radio Edit)
  type: MusicAlbum
  date published: 2023-04-07
album: PART V (Radio Edit)
  type: MusicAlbum
  date published: 2023-05-05
album: PART V (Radio Edit)
  type: MusicAlbum
  date published: 2023-05-05
album: PART VII (Radio Edit)
  type: MusicAlbum
  date published: 2023-06-02
album: PART VII (Radio Edit)
  type: MusicAlbum
  date published: 2023-06-02
album: DOWNFALL
  type: MusicAlbum
  date published: 2023-07-07
album: DOWNFALL
  type: MusicAlbum
  date published: 2023-07-07