Qusan
type: MusicGroup
genre: lo-fi
popularity: 4
followers: 81
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xeaf8c27cb624b12db6df49d6074e253d2620140c6745403e361e0f986b4d6c45
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954717
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954717
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f50872a8-f0bf-48cf-800a-9ae45cd979b1.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f50872a8-f0bf-48cf-800a-9ae45cd979b1.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/f50872a8-f0bf-48cf-800a-9ae45cd979b1
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T15:47:51Z
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 0xeaf8c27cb624b12db6df49d6074e253d2620140c6745403e361e0f986b4d6c45. Chain 2 (Bitcoin): anchored in block 954717 (2026-06-21T15:47:51Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f50872a8-f0bf-48cf-800a-9ae45cd979b1.json and https://artists.proofprofile.net/proofs/artist/f50872a8-f0bf-48cf-800a-9ae45cd979b1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T15:47:51Z
album: Slow Down
  type: MusicAlbum
  date published: 2020-12-29
album: Slow Down
  type: MusicAlbum
  date published: 2021-01-29
album: Streetlights
  type: MusicAlbum
  date published: 2021-02-12
album: Streetlights
  type: MusicAlbum
  date published: 2021-02-12
album: Streetlights
  type: MusicAlbum
  date published: 2021-02-12
album: The Holidays
  type: MusicAlbum
  date published: 2021-02-26
album: The Holidays
  type: MusicAlbum
  date published: 2021-02-26
album: The Holidays
  type: MusicAlbum
  date published: 2021-02-26
album: Find The Love
  type: MusicAlbum
  date published: 2021-03-20
album: Find The Love
  type: MusicAlbum
  date published: 2021-03-20
album: Dreaming
  type: MusicAlbum
  date published: 2021-03-26
album: Dreaming
  type: MusicAlbum
  date published: 2021-03-26
album: Feeling You
  type: MusicAlbum
  date published: 2021-04-09
album: Feeling You
  type: MusicAlbum
  date published: 2021-04-09
album: It's A New Day
  type: MusicAlbum
  date published: 2021-04-23
album: It's A New Day
  type: MusicAlbum
  date published: 2021-04-23
album: Never Be The Same
  type: MusicAlbum
  date published: 2021-05-07
album: Never Be The Same
  type: MusicAlbum
  date published: 2021-05-07
album: Look What You've Done To Me
  type: MusicAlbum
  date published: 2021-05-14
album: The Past
  type: MusicAlbum
  date published: 2021-05-28
album: The Past
  type: MusicAlbum
  date published: 2021-05-28
album: Perfect Harmony
  type: MusicAlbum
  date published: 2021-06-11
album: Shooting Star
  type: MusicAlbum
  date published: 2021-06-25