Hardkeyz
type: MusicGroup
popularity: 7
followers: 147
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6f8c9dc50a6786e2132338381f098aca8d908c75942711679f385b9643335b5b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/584d681e-a3f3-4baa-ab3b-7c57510514a7.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/584d681e-a3f3-4baa-ab3b-7c57510514a7.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/584d681e-a3f3-4baa-ab3b-7c57510514a7
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
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 0x6f8c9dc50a6786e2132338381f098aca8d908c75942711679f385b9643335b5b. 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/584d681e-a3f3-4baa-ab3b-7c57510514a7.json and https://artists.proofprofile.net/proofs/artist/584d681e-a3f3-4baa-ab3b-7c57510514a7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
album: Life Eternal - Piano Version
  type: MusicAlbum
  date published: 2024-03-08
album: Bliss - Piano Version
  type: MusicAlbum
  date published: 2024-03-15
album: Monster - Piano Version
  type: MusicAlbum
  date published: 2024-03-22
album: The Path We Take - Cinematic Version
  type: MusicAlbum
  date published: 2024-03-29
album: Arms of Sorrow - Cinematic Version
  type: MusicAlbum
  date published: 2024-04-12
album: I Can See Now - Cinematic Version
  type: MusicAlbum
  date published: 2024-04-19
album: The End - Piano Version
  type: MusicAlbum
  date published: 2024-04-26
album: Goodbye - Piano Version
  type: MusicAlbum
  date published: 2024-05-03
album: MYTH - Piano Version
  type: MusicAlbum
  date published: 2024-05-17
album: Fight The Hardest - Piano Version
  type: MusicAlbum
  date published: 2024-05-24
album: Driven By Pain - Piano Version
  type: MusicAlbum
  date published: 2024-05-31
album: MYST - TRINITY
  type: MusicAlbum
  date published: 2024-06-21