MARCUS
type: MusicGroup
popularity: 12
followers: 59
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x38a8d50480e506615c14b956001676d98f40fa1bc796c7e4f5feac27f6db0d4d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953724
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953724
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8ed7244e-d7e9-4770-a554-0c56f63f17ef.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8ed7244e-d7e9-4770-a554-0c56f63f17ef.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/8ed7244e-d7e9-4770-a554-0c56f63f17ef
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T01:43:13Z
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 0x38a8d50480e506615c14b956001676d98f40fa1bc796c7e4f5feac27f6db0d4d. Chain 2 (Bitcoin): anchored in block 953724 (2026-06-15T01:43:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8ed7244e-d7e9-4770-a554-0c56f63f17ef.json and https://artists.proofprofile.net/proofs/artist/8ed7244e-d7e9-4770-a554-0c56f63f17ef.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T01:43:13Z
album: Kölykök
  type: MusicAlbum
  date published: 2018-07-29
album: Az Éjszaka Fényei
  type: MusicAlbum
  date published: 2019-01-18
album: Az éjszaka fényei
  type: MusicAlbum
  date published: 2019-08-30
album: A VILÁGÍTÓTORONY
  type: MusicAlbum
  date published: 2021-01-14
album: SZEMBEN AZ ÁRRAL
  type: MusicAlbum
  date published: 2021-03-16
album: ...AZTÁN FELKEL A NAP
  type: MusicAlbum
  date published: 2021-05-28
album: TÜKÖRKÉP
  type: MusicAlbum
  date published: 2021-11-05
album: TÜKÖRKÉP
  type: MusicAlbum
  date published: 2021-11-05
album: BÁBEL
  type: MusicAlbum
  date published: 2022-02-17
album: PALACKPOSTA
  type: MusicAlbum
  date published: 2022-08-30
album: ÖZÖNVÍZ
  type: MusicAlbum
  date published: 2022-09-08
album: AZ ISMERETLEN (Tiszavirág Projekt verzió)
  type: MusicAlbum
  date published: 2022-12-08
album: VISZEM A TÜZET (tHe Maker RMX)
  type: MusicAlbum
  date published: 2023-06-05
album: ÉJFÉL
  type: MusicAlbum
  date published: 2023-08-05
album: DISZTÓPIA
  type: MusicAlbum
  date published: 2023-10-05
album: CSILLAGOK KÖZÖTT
  type: MusicAlbum
  date published: 2023-12-05
album: NAPFOGYATKOZÁS
  type: MusicAlbum
  date published: 2023-12-05
album: K0:Z3L 4 V3'6 (tHe Maker RMX)
  type: MusicAlbum
  date published: 2024-03-12
album: 3'JF3'L (Akusztikus verzió)
  type: MusicAlbum
  date published: 2024-05-31
album: N4PF06Y4TK0Z4'S
  type: MusicAlbum
  date published: 2024-07-22
album: EGY HÚRON
  type: MusicAlbum
  date published: 2024-07-31
album: FALEVÉL
  type: MusicAlbum
  date published: 2024-10-25
album: FEKETE ORSZÁG (Babits Mihály versfeldolgozás)
  type: MusicAlbum
  date published: 2024-11-26
album: NOCTURNE
  type: MusicAlbum
  date published: 2024-12-13
album: ÚJRA TAVASZ
  type: MusicAlbum
  date published: 2025-03-01
album: FÜST & WHISKEY
  type: MusicAlbum
  date published: 2025-09-30
  track: FÜST & WHISKEY
    type: MusicRecording
    duration: PT3M0S
    duration ms: 180010
    explicit: false
    by artist: MARCUS
    in album: FÜST & WHISKEY
      type: MusicAlbum
      date published: 2025-09-30
    isrc code: HUA612503660
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-20T14:11:40+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x9e32fb8d2d980e370ebdfb87c8da2ba5a9579506c2e044eb0605abf7d26566a6
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958905
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958905
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HUA612503660
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T16:14:34Z
    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 0x9e32fb8d2d980e370ebdfb87c8da2ba5a9579506c2e044eb0605abf7d26566a6. Chain 2 (Bitcoin): anchored in block 958905 (2026-07-20T16:14:34Z), 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/HUA612503660.
      date published: 2026-07-20T16:14:34Z
    audio: FÜST & WHISKEY
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 119.957
      additional property: Musical Key
        type: PropertyValue
        value: 0
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.691
      additional property: Energy
        type: PropertyValue
        value: 0.706
      additional property: Speechiness
        type: PropertyValue
        value: 0.079
      additional property: Acousticness
        type: PropertyValue
        value: 0.275
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.171
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.648
      additional property: Loudness (dB)
        type: PropertyValue
        value: -5.942
      additional property: Key Name
        type: PropertyValue
        value: C
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: ÜRES A VÁROS
  type: MusicAlbum
  date published: 2025-10-31
track: Hurrikán
track: Rohan az idő

Hurrikán
type: MusicRecording
duration: PT3M38S
duration ms: 218763
explicit: false
by artist: Children Of Distance
by artist: MARCUS
by artist: Kozma Kata
in album: Ötödik Fejezet
  type: MusicAlbum
  date published: 2016-12-09
genre: hungarian-pop
genre: hungarian-hip-hop
isrc code: HUA611603371
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T15:24:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x29e960dafb24293236beaf1c1b37a403d8ac982bbaf985a457e61de3e9f4fa61
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HUA611603371
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 953520
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-06-13T13:32:09+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29e960dafb24293236beaf1c1b37a403d8ac982bbaf985a457e61de3e9f4fa61. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/HUA611603371.
  date published: 2026-06-13T13:32:09Z
audio: Hurrikán
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 110.519
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.643
  additional property: Energy
    type: PropertyValue
    value: 0.717
  additional property: Speechiness
    type: PropertyValue
    value: 0.083
  additional property: Acousticness
    type: PropertyValue
    value: 0.711
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.185
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.603
  additional property: Loudness (dB)
    type: PropertyValue
    value: -9.543
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Rohan az idő
type: MusicRecording
duration: PT3M52S
duration ms: 232297
explicit: false
by artist: Children Of Distance
by artist: MARCUS
by artist: Patty
in album: Rohan az idő
  type: MusicAlbum
  date published: 2019-10-17
genre: hungarian-pop
genre: hungarian-hip-hop
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5856465405fa8b72651b4f5ac0ab05d4ab4029de6824f4c6f0cdd6dd272a8cf4. Chain 2 (Bitcoin): anchored in block 960240 (2026-07-30T09:57:33Z), 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/HUA611902566.
  date published: 2026-07-30T09:57:33Z
audio: Rohan az idő
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 135.602
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.736
  additional property: Energy
    type: PropertyValue
    value: 0.759
  additional property: Speechiness
    type: PropertyValue
    value: 0.069
  additional property: Acousticness
    type: PropertyValue
    value: 0.441
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.103
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.571
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.654
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: HUA611902566
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960240
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T09:57:33+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HUA611902566
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960240
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960240
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T09:57:33+00:00
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch