QUARTER JOHN
type: MusicGroup
popularity: 2
followers: 293
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x37750c5e06363ec33ee47ccb2e325150b545abe66859c745b1f063b363e35191
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953896
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953896
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/109f183b-179b-4011-90b3-b4743dbc34ed.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/109f183b-179b-4011-90b3-b4743dbc34ed.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/109f183b-179b-4011-90b3-b4743dbc34ed
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T06:05:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x37750c5e06363ec33ee47ccb2e325150b545abe66859c745b1f063b363e35191","name":"QUARTER JOHN","registered_at":"2026-06-15T19:20:39Z","symbol":"NIM0806731","token_address":"0x41b52de71d5b0da5a2c1a15cf1ed6d24fdc645b3","type":"artist","uuid":"109f183b-179b-4011-90b3-b4743dbc34ed"}
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 0x37750c5e06363ec33ee47ccb2e325150b545abe66859c745b1f063b363e35191. Chain 2 (Bitcoin): anchored in block 953909 (2026-06-16T07:53:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/109f183b-179b-4011-90b3-b4743dbc34ed.json and https://artists.proofprofile.net/proofs/artist/109f183b-179b-4011-90b3-b4743dbc34ed.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T07:53:13Z
  text: {"copyright_id":"0x37750c5e06363ec33ee47ccb2e325150b545abe66859c745b1f063b363e35191","name":"QUARTER JOHN","registered_at":"2026-06-15T19:20:39Z","symbol":"NIM0806731","token_address":"0x41b52de71d5b0da5a2c1a15cf1ed6d24fdc645b3","type":"artist","uuid":"109f183b-179b-4011-90b3-b4743dbc34ed"}
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album: CHILL
  type: MusicAlbum
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album: ALIVE
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  date published: 2025-01-23
album: ENERGY
  type: MusicAlbum
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album: ART IS LIFE
  type: MusicAlbum
  date published: 2025-02-03
album: THE GATE
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album: MAGIC
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album: WORLD OF TROUBLE
  type: MusicAlbum
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album: ART IS LIFE (Special Version)
  type: MusicAlbum
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  type: MusicAlbum
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album: INTEGRITAS
  type: MusicAlbum
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album: OVER
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album: INDUSTRIA
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album: SUN
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album: WAR
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album: waves
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album: TROPIC
  type: MusicAlbum
  date published: 2025-04-15
album: MAXIMUM
  type: MusicAlbum
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album: GRACE
  type: MusicAlbum
  date published: 2025-04-22
album: ROTOR
  type: MusicAlbum
  date published: 2025-04-23
album: POWER
  type: MusicAlbum
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album: CLUB
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album: FOR EVER
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album: ON AND ON
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album: ON and ON (PART 2)
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  type: MusicAlbum
  date published: 2025-05-30
album: TROPIC 2
  type: MusicAlbum
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album: CREATOR
  type: MusicAlbum
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album: NIGHT CALL
  type: MusicAlbum
  date published: 2025-06-13
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  type: MusicAlbum
  date published: 2025-06-20
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  date published: 2025-06-20
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  type: MusicAlbum
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  type: MusicAlbum
  date published: 2025-07-02
album: CORLEONE
album: THE END
album: DESERT
album: CREATURE
album: ROYAL HI HOPO
album: GOLD
album: HOT
album: HOT (REMIX)
album: ART IS LIFE (BLACK ROOM VERSION)
album: WORLD OF TROUBLE (Special Version)
album: FLYING SOUL BEAT (Radio Edit)

CORLEONE
type: MusicAlbum
date published: 2025-07-06

THE END
type: MusicAlbum
date published: 2025-07-30

DESERT
type: MusicAlbum
date published: 2025-08-06

CREATURE
type: MusicAlbum
date published: 2025-08-07

ROYAL HI HOPO
type: MusicAlbum
date published: 2025-08-14

GOLD
type: MusicAlbum
date published: 2025-08-15

HOT
type: MusicAlbum
date published: 2025-08-20

HOT (REMIX)
type: MusicAlbum
date published: 2025-11-04

ART IS LIFE (BLACK ROOM VERSION)
type: MusicAlbum
date published: 2025-11-05

WORLD OF TROUBLE (Special Version)
type: MusicAlbum
date published: 2025-11-08

FLYING SOUL BEAT (Radio Edit)
type: MusicAlbum
date published: 2025-11-09