Mari
type: MusicGroup
popularity: 10
followers: 30
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa8773c2f08aefa7a42e712e348e58f30e61e402230daacedba60c22a77a4120b
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/4a75b1a6-5b2f-4d98-83b8-5580bc40cb08.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4a75b1a6-5b2f-4d98-83b8-5580bc40cb08.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/4a75b1a6-5b2f-4d98-83b8-5580bc40cb08
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 0xa8773c2f08aefa7a42e712e348e58f30e61e402230daacedba60c22a77a4120b. 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/4a75b1a6-5b2f-4d98-83b8-5580bc40cb08.json and https://artists.proofprofile.net/proofs/artist/4a75b1a6-5b2f-4d98-83b8-5580bc40cb08.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
album: Luz
  type: MusicAlbum
  date published: 2016-04-26
album: The End
  type: MusicAlbum
  date published: 2016-05-27
album: Foolish (The Voice Performance)
  type: MusicAlbum
  date published: 2019-06-05
album: Work It Out (The Voice Performance)
  type: MusicAlbum
  date published: 2019-06-05
album: Kyoukaisennjou no torikago
  type: MusicAlbum
  date published: 2019-06-15
album: The First Album (Remix)
  type: MusicAlbum
  date published: 2020-01-12
album: Moratorium
  type: MusicAlbum
  date published: 2020-05-20
album: All My True Love
  type: MusicAlbum
  date published: 2020-05-27
album: BAG SZN
  type: MusicAlbum
  date published: 2021-11-12
album: Freaky Deaky
  type: MusicAlbum
  date published: 2022-02-25
album: LOST
  type: MusicAlbum
  date published: 2022-04-23