19 Hz
type: MusicGroup
genre: progressive house
genre: progressive trance
genre: trance
popularity: 9
followers: 1037
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x34d6f2cd99c0905c70369c91a2e0e453523fe77499b30bff9e9cf1458623e63d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954342
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954342
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/81f227ac-76bd-41b3-bc45-23aefdc5065f.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/81f227ac-76bd-41b3-bc45-23aefdc5065f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/81f227ac-76bd-41b3-bc45-23aefdc5065f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:22:39Z
additional property: OTSCanonicalRecord
  type: PropertyValue
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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 0x34d6f2cd99c0905c70369c91a2e0e453523fe77499b30bff9e9cf1458623e63d. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/81f227ac-76bd-41b3-bc45-23aefdc5065f.json and https://artists.proofprofile.net/proofs/artist/81f227ac-76bd-41b3-bc45-23aefdc5065f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:22:39Z
  text: {"copyright_id":"0x34d6f2cd99c0905c70369c91a2e0e453523fe77499b30bff9e9cf1458623e63d","name":"19 Hz","registered_at":"2026-06-17T11:20:30Z","symbol":"NIM1379374","token_address":"0xaef664ddab4a6b2d8e12ecea93b612c7b2ff81ba","type":"artist","uuid":"81f227ac-76bd-41b3-bc45-23aefdc5065f"}
album: Round and Round
  type: MusicAlbum
  date published: 2012-09-25
album: Round and Round
  type: MusicAlbum
  date published: 2012-09-25
  track: Round & Round - Shingo Nakamura Remix
    type: MusicRecording
    duration: PT7M0S
    duration ms: 420000
    explicit: false
    by artist: 19 Hz
    in album: Round and Round
      type: MusicAlbum
      date published: 2012-09-25
    genre: progressive house
    genre: progressive trance
    genre: trance
    isrc code: US83Z1208122
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-20T22:30:31+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x155417895fea60a0c8447c98f38ec43737141c5364c3946499435fea8fb302a2
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958943
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958943
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US83Z1208122
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-21T00:27:37Z
    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 0x155417895fea60a0c8447c98f38ec43737141c5364c3946499435fea8fb302a2. Chain 2 (Bitcoin): anchored in block 958943 (2026-07-21T00:27:37Z), 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/US83Z1208122.
      date published: 2026-07-21T00:27:37Z
    audio: Round & Round - Shingo Nakamura Remix
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 126.01
      additional property: Musical Key
        type: PropertyValue
        value: 6
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.851
      additional property: Energy
        type: PropertyValue
        value: 0.468
      additional property: Speechiness
        type: PropertyValue
        value: 0.065
      additional property: Acousticness
        type: PropertyValue
        value: 0.002
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.793
      additional property: Liveness
        type: PropertyValue
        value: 0.052
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.393
      additional property: Loudness (dB)
        type: PropertyValue
        value: -9.294
      additional property: Key Name
        type: PropertyValue
        value: F#
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Another Skin
  type: MusicAlbum
  date published: 2012-12-11
album: Another Skin
  type: MusicAlbum
  date published: 2012-12-11
  track: Another Skin - Dan & Sam Remix
    type: MusicRecording
    duration: PT8M44S
    duration ms: 524307
    explicit: false
    by artist: 19 Hz
    in album: Another Skin
      type: MusicAlbum
      date published: 2012-12-11
    genre: progressive house
    genre: progressive trance
    genre: trance
    isrc code: US83Z1212778
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
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      type: PropertyValue
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    additional property: CopyrightChainExplorerURL
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      value: https://explorer.copyrightchains.com/tx/0xbaeb675913a67649acf8aab4c364f77b877d1dfef76b1010adc6f2ea518f1e1a
    additional property: OTSHash
    additional property: OTSBitcoinBlock
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      value: 956822
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956822
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US83Z1212778
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T12:14:45Z
    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 0xbaeb675913a67649acf8aab4c364f77b877d1dfef76b1010adc6f2ea518f1e1a. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-20T12:14:45Z), 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/US83Z1212778.
      date published: 2026-07-20T12:14:45Z
    audio: Another Skin - Dan & Sam Remix
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 126.984
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.517
      additional property: Energy
        type: PropertyValue
        value: 0.48
      additional property: Speechiness
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
  track: Another Skin - Blood Groove & Kikis Remix
album: Cloverfield / Bakcheia
album: The Key
album: 新的开始
album: 爱不失联
album: 等风来
album: 孤单沙漠
album: 至青春
track: Round & Round (Shingo Nakamura Remix - 2017) - Mixed

Round & Round (Shingo Nakamura Remix - 2017) - Mixed
type: MusicRecording
duration: PT5M50S
duration ms: 350476
explicit: false
by artist: 19 Hz
by artist: Shingo Nakamura
in album: Best of Shingo Nakamura 01 (DJ Mix)
  type: MusicAlbum
  date published: 2017-03-28
isrc code: US83Z1901997
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T20:01:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6f0aa10ebc2643f8cbf66900f0b730639b609ea7976f5cc10b4efa41ca2a3b7d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US83Z1901997
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08+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
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: 956304
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:55:08+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 0x6f0aa10ebc2643f8cbf66900f0b730639b609ea7976f5cc10b4efa41ca2a3b7d. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/US83Z1901997.
  date published: 2026-07-02T11:38:34Z
audio: Round & Round (Shingo Nakamura Remix - 2017) - Mixed
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 135.69
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.805
  additional property: Energy
    type: PropertyValue
    value: 0.615
  additional property: Speechiness
    type: PropertyValue
    value: 0.063
  additional property: Acousticness
    type: PropertyValue
    value: 0.005
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.752
  additional property: Liveness
    type: PropertyValue
    value: 0.078
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.397
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.744
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Speechiness
type: PropertyValue
value: 0.064

Acousticness
type: PropertyValue
value: 0.019

Instrumentalness
type: PropertyValue
value: 0.816

Liveness
type: PropertyValue
value: 0.273

Valence (Positivity)
type: PropertyValue
value: 0.314

Loudness (dB)
type: PropertyValue
value: -8.146

Key Name
type: PropertyValue
value: A

Mode Name
type: PropertyValue
value: Minor

Another Skin - Blood Groove & Kikis Remix
type: MusicRecording
duration: PT7M25S
duration ms: 445999
explicit: false
by artist: 19 Hz
in album: Another Skin
  type: MusicAlbum
  date published: 2012-12-11
genre: progressive house
genre: progressive trance
genre: trance
isrc code: US83Z1212779
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T05:38:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3f51d4de5f7f6d2d080872ada89ec333e416b6679cc04a693e058f9a17c68a2e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958373
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958373
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US83Z1212779
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T08:40:52Z
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 0x3f51d4de5f7f6d2d080872ada89ec333e416b6679cc04a693e058f9a17c68a2e. Chain 2 (Bitcoin): anchored in block 958373 (2026-07-17T08:40:52Z), 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/US83Z1212779.
  date published: 2026-07-17T08:40:52Z
audio: Another Skin - Blood Groove & Kikis Remix
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 126.998
  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: 0.824
  additional property: Energy
    type: PropertyValue
    value: 0.538
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.003
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.84
  additional property: Liveness
    type: PropertyValue
    value: 0.398
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.264
  additional property: Loudness (dB)
    type: PropertyValue
    value: -9.089
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Cloverfield / Bakcheia
type: MusicAlbum
date published: 2013-04-22

The Key
type: MusicAlbum
date published: 2013-08-26

新的开始
type: MusicAlbum
date published: 2023-07-12

爱不失联
type: MusicAlbum
date published: 2023-07-14

等风来
type: MusicAlbum
date published: 2023-07-21

孤单沙漠
type: MusicAlbum
date published: 2023-07-21

至青春
type: MusicAlbum
date published: 2023-07-29