marcė
type: MusicGroup
genre: hyperpop
popularity: 6
followers: 167
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbef90f439f84fee54eb334859e72d04352739d1f856cfeb1e53896e1ad7b73f9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954784
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954784
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/fd1d2ac4-cf94-464c-9199-9dd42544beb1.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/fd1d2ac4-cf94-464c-9199-9dd42544beb1.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/fd1d2ac4-cf94-464c-9199-9dd42544beb1
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-22T02:53:59Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xbef90f439f84fee54eb334859e72d04352739d1f856cfeb1e53896e1ad7b73f9","name":"marcė","registered_at":"2026-06-21T17:50:39Z","symbol":"NIM1992257","token_address":"0xb1b5a75707b71d52468cb3b558885ba845b43c57","type":"artist","uuid":"fd1d2ac4-cf94-464c-9199-9dd42544beb1"}
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 0xbef90f439f84fee54eb334859e72d04352739d1f856cfeb1e53896e1ad7b73f9. Chain 2 (Bitcoin): anchored in block 954784 (2026-06-22T02:53:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/fd1d2ac4-cf94-464c-9199-9dd42544beb1.json and https://artists.proofprofile.net/proofs/artist/fd1d2ac4-cf94-464c-9199-9dd42544beb1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-22T02:53:59Z
  text: {"copyright_id":"0xbef90f439f84fee54eb334859e72d04352739d1f856cfeb1e53896e1ad7b73f9","name":"marcė","registered_at":"2026-06-21T17:50:39Z","symbol":"NIM1992257","token_address":"0xb1b5a75707b71d52468cb3b558885ba845b43c57","type":"artist","uuid":"fd1d2ac4-cf94-464c-9199-9dd42544beb1"}
album: idol
  type: MusicAlbum
  date published: 2024-04-26
album: idol
  type: MusicAlbum
  date published: 2024-05-14
album: nový začiatok
  type: MusicAlbum
  date published: 2024-05-24
  track: nový začiatok
    type: MusicRecording
    duration: PT2M0S
    duration ms: 120026
    explicit: false
    by artist: marcė
    in album: nový začiatok
      type: MusicAlbum
      date published: 2024-05-24
    genre: hyperpop
    isrc code: QZYFZ2430127
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-19T17:43:54+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x3c03d8cab335b87f4b80b6519ebb8f7a7e3df58323206e1a71847b8c55e14ebe
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958761
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958761
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZYFZ2430127
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T20:45:24Z
    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 0x3c03d8cab335b87f4b80b6519ebb8f7a7e3df58323206e1a71847b8c55e14ebe. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T20:45:24Z), 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/QZYFZ2430127.
      date published: 2026-07-19T20:45:24Z
    audio: nový začiatok
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 140.029
      additional property: Musical Key
        type: PropertyValue
        value: 2
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.659
      additional property: Energy
        type: PropertyValue
        value: 0.11
      additional property: Speechiness
        type: PropertyValue
        value: 0.122
      additional property: Acousticness
        type: PropertyValue
        value: 0.354
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.001
      additional property: Liveness
        type: PropertyValue
        value: 0.115
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.188
      additional property: Loudness (dB)
        type: PropertyValue
        value: -25.529
      additional property: Key Name
        type: PropertyValue
        value: D
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: netvor (bass)
  type: MusicAlbum
  date published: 2024-06-21
  track: netvor - bass
    type: MusicRecording
    duration: PT2M29S
    duration ms: 149581
    explicit: false
    by artist: marcė
    in album: netvor (bass)
      type: MusicAlbum
      date published: 2024-06-21
    genre: hyperpop
    isrc code: QZYFZ2454352
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T18:31:47+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x7ed94f90794263f81b361e60ce02a54410b1be5ffec44da90a85caf5b5eb48ce
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956841
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956841
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZYFZ2454352
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T22:14:35Z
    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 0x7ed94f90794263f81b361e60ce02a54410b1be5ffec44da90a85caf5b5eb48ce. Chain 2 (Bitcoin): anchored in block 956841 (2026-07-05T22:14:35Z), 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/QZYFZ2454352.
      date published: 2026-07-05T22:14:35Z
    audio: netvor - bass
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 144.974
      additional property: Musical Key
        type: PropertyValue
        value: 7
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.619
      additional property: Energy
        type: PropertyValue
        value: 0.488
      additional property: Speechiness
        type: PropertyValue
        value: 0.099
      additional property: Acousticness
        type: PropertyValue
        value: 0.064
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: prvého augusta
album: pluto//trápenie
album: zabúdame
album: yin&yang
album: pravá, lavá

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.108

Valence (Positivity)
type: PropertyValue
value: 0.4

Loudness (dB)
type: PropertyValue
value: -12.927

Key Name
type: PropertyValue
value: G

Mode Name
type: PropertyValue
value: Minor

prvého augusta
type: MusicAlbum
date published: 2024-08-01

pluto//trápenie
type: MusicAlbum
date published: 2024-10-11

zabúdame
type: MusicAlbum
date published: 2025-05-30

yin&yang
type: MusicAlbum
date published: 2025-06-27

pravá, lavá
type: MusicAlbum
date published: 2025-10-03
track: pravá, lavá
  type: MusicRecording
  duration: PT2M52S
  duration ms: 172867
  explicit: false
  by artist: marcė
  in album: pravá, lavá
    type: MusicAlbum
    date published: 2025-10-03
  genre: hyperpop
  isrc code: QZYFZ2507914
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T02:57:43+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4c569b4342d6755ae2baf482e27eb4ec4fd5ceb566ab1e2a0bf2f89d4702bdf7
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956889
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956889
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZYFZ2507914
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-06T06:56:49Z
  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 0x4c569b4342d6755ae2baf482e27eb4ec4fd5ceb566ab1e2a0bf2f89d4702bdf7. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/QZYFZ2507914.
    date published: 2026-07-06T06:56:49Z
  audio: pravá, lavá
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 161.972
    additional property: Musical Key
      type: PropertyValue
      value: 8
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.427
    additional property: Energy
      type: PropertyValue
      value: 0.813
    additional property: Speechiness
      type: PropertyValue
      value: 0.055
    additional property: Acousticness
      type: PropertyValue
      value: 0.427
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.093
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.63
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.642
    additional property: Key Name
      type: PropertyValue
      value: Ab
    additional property: Mode Name
      type: PropertyValue
      value: Major