JustMar
type: MusicGroup
genre: hyperpop
popularity: 21
followers: 5643
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa6df4ea3950437509552fea1e3acab5e235cb4de9bba6a1899056f26b7dd3f3f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9b9f619e-beb6-4287-9ec5-0a44ee4944b4.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9b9f619e-beb6-4287-9ec5-0a44ee4944b4.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/9b9f619e-beb6-4287-9ec5-0a44ee4944b4
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
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 0xa6df4ea3950437509552fea1e3acab5e235cb4de9bba6a1899056f26b7dd3f3f. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9b9f619e-beb6-4287-9ec5-0a44ee4944b4.json and https://artists.proofprofile.net/proofs/artist/9b9f619e-beb6-4287-9ec5-0a44ee4944b4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
album: M!NE 4EVER
  type: MusicAlbum
  date published: 2023-08-15
album: StalkerKore
  type: MusicAlbum
  date published: 2023-09-05
  track: StalkerKore
    type: MusicRecording
    duration: PT1M40S
    duration ms: 100240
    explicit: true
    by artist: JustMar
    in album: StalkerKore
      type: MusicAlbum
      date published: 2023-09-05
    genre: hyperpop
    isrc code: SE6XW2305218
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-13T16:03:50+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xf01672cb15a82cd8e7583f421df61834a7500abb7a515a22769f2d1ff3acca74
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 957880
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/957880
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SE6XW2305218
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-13T16:39:18Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 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. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf01672cb15a82cd8e7583f421df61834a7500abb7a515a22769f2d1ff3acca74. Chain 2 (Bitcoin): anchored in block 957880 (2026-07-13T16:39:18Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SE6XW2305218.
      date published: 2026-07-13T16:39:18Z
    audio: StalkerKore
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 176.202
      additional property: Musical Key
        type: PropertyValue
        value: 1
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.483
      additional property: Energy
        type: PropertyValue
        value: 0.841
      additional property: Speechiness
        type: PropertyValue
        value: 0.57
      additional property: Acousticness
        type: PropertyValue
        value: 0.315
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.452
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.702
      additional property: Loudness (dB)
        type: PropertyValue
        value: -9.452
      additional property: Key Name
        type: PropertyValue
        value: C#
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: hate
  type: MusicAlbum
  date published: 2023-09-27
album: vampire
  type: MusicAlbum
  date published: 2024-01-02
  track: vampire - Sped Up Version
    type: MusicRecording
    duration: PT1M31S
    duration ms: 91670
    explicit: true
    by artist: JustMar
    in album: vampire
      type: MusicAlbum
      date published: 2024-01-02
    genre: hyperpop
    isrc code: SE6XX2382965
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-15T09:42:55+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x5a87da81e5145fa67099c1b8958a1fa31ed7590229b09dda431b608a8a2a60b3
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958140
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958140
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SE6XX2382965
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-15T12:45:05Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 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. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a87da81e5145fa67099c1b8958a1fa31ed7590229b09dda431b608a8a2a60b3. Chain 2 (Bitcoin): anchored in block 958140 (2026-07-15T12:45:05Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SE6XX2382965.
      date published: 2026-07-15T12:45:05Z
    audio: vampire - Sped Up Version
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 168.378
      additional property: Musical Key
        type: PropertyValue
        value: 4
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.55
      additional property: Energy
        type: PropertyValue
        value: 0.66
      additional property: Speechiness
        type: PropertyValue
        value: 0.052
      additional property: Acousticness
        type: PropertyValue
        value: 0.135
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.216
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: IMPATIENT!
album: fan!
album: like i didn’t know
album: daddy dj
album: jumping 4 joy
album: GET RICH!
album: devil

Liveness
type: PropertyValue
value: 0.171

Valence (Positivity)
type: PropertyValue
value: 0.551

Loudness (dB)
type: PropertyValue
value: -8.631

Key Name
type: PropertyValue
value: E

Mode Name
type: PropertyValue
value: Minor

IMPATIENT!
type: MusicAlbum
date published: 2024-02-11

fan!
type: MusicAlbum
date published: 2024-03-14

like i didn’t know
type: MusicAlbum
date published: 2024-04-16

daddy dj
type: MusicAlbum
date published: 2024-10-19
track: daddy dj
  type: MusicRecording
  duration: PT2M12S
  duration ms: 132421
  explicit: true
  by artist: JustMar
  in album: daddy dj
    type: MusicAlbum
    date published: 2024-10-19
  genre: hyperpop
  isrc code: SE6SA2404667
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-21T16:21:50+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6aad9f379e503b3e82912d487c904cfff4275cf7ec69bb30bf78f31620033054
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 959037
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/959037
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SE6SA2404667
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-21T16:59:47Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 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. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6aad9f379e503b3e82912d487c904cfff4275cf7ec69bb30bf78f31620033054. Chain 2 (Bitcoin): anchored in block 959037 (2026-07-21T16:59:47Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SE6SA2404667.
    date published: 2026-07-21T16:59:47Z
  audio: daddy dj
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 145.07
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.471
    additional property: Energy
      type: PropertyValue
      value: 0.892
    additional property: Speechiness
      type: PropertyValue
      value: 0.046
    additional property: Acousticness
      type: PropertyValue
      value: 0
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.162
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.285
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.495
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major

jumping 4 joy
type: MusicAlbum
date published: 2025-01-16

GET RICH!
type: MusicAlbum
date published: 2025-05-02

devil
type: MusicAlbum
date published: 2025-07-16