Exams Study USA
type: MusicGroup
popularity: 7
followers: 164
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6008570e9bc183336647038cf587fdd9015ad1577fd7ec99d912ab143af156ba
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954533
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954533
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a671ce4c-25b2-4ece-a908-b1abfdd43971.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a671ce4c-25b2-4ece-a908-b1abfdd43971.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/a671ce4c-25b2-4ece-a908-b1abfdd43971
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T08:57:02Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6008570e9bc183336647038cf587fdd9015ad1577fd7ec99d912ab143af156ba","name":"Exams Study USA","registered_at":"2026-06-20T08:08:52Z","symbol":"NIM1561104","token_address":"0x9ef1f4617ae762ce45bb5c43d98fd4f8461c2f48","type":"artist","uuid":"a671ce4c-25b2-4ece-a908-b1abfdd43971"}
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 0x6008570e9bc183336647038cf587fdd9015ad1577fd7ec99d912ab143af156ba. Chain 2 (Bitcoin): anchored in block 954533 (2026-06-20T08:57:02Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a671ce4c-25b2-4ece-a908-b1abfdd43971.json and https://artists.proofprofile.net/proofs/artist/a671ce4c-25b2-4ece-a908-b1abfdd43971.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T08:57:02Z
  text: {"copyright_id":"0x6008570e9bc183336647038cf587fdd9015ad1577fd7ec99d912ab143af156ba","name":"Exams Study USA","registered_at":"2026-06-20T08:08:52Z","symbol":"NIM1561104","token_address":"0x9ef1f4617ae762ce45bb5c43d98fd4f8461c2f48","type":"artist","uuid":"a671ce4c-25b2-4ece-a908-b1abfdd43971"}
album: Buddha Bar - Chillout and Piano Music
  type: MusicAlbum
  date published: 2018-06-01
album: Buddha Bar - Piano Music
  type: MusicAlbum
  date published: 2018-06-08
album: Утренняя музыка, релаксация, сон, учеба, йога, медитация, гармония, спокойствие, терапия, дзен, пианино
  type: MusicAlbum
  date published: 2018-10-04
album: Утренняя музыка, релаксация, сон, учеба, йога, медитация, гармония, спокойствие, терапия, дзен, пианино
  type: MusicAlbum
  date published: 2021-01-05
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  type: MusicAlbum
  date published: 2021-03-15
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  type: MusicAlbum
  date published: 2021-06-14
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  type: MusicAlbum
  date published: 2021-09-06