CUNO
type: MusicGroup
genre: city pop
description: Cuno is both a given name and a surname. Notable people with the name include: Given name: Cuno Amiet (1868–1961), Swiss artist Cuno Hoffmeister (1892–1968), German astronomer Cuno of Praeneste (died
popularity: 9
followers: 485
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a9a6382b-3c8e-46bd-8725-ebe0c3be8ec0.ots
additional property: OTSRecordURL
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  value: https://artists.proofprofile.net/proofs/artist/a9a6382b-3c8e-46bd-8725-ebe0c3be8ec0.json
additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T10:56:20Z
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 0x2f59ebf1facd405e51192d8cd5b640f53f458a1ca4d468382a16e3be23ce6f94. Chain 2 (Bitcoin): anchored in block 954549 (2026-06-20T10:56:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a9a6382b-3c8e-46bd-8725-ebe0c3be8ec0.json and https://artists.proofprofile.net/proofs/artist/a9a6382b-3c8e-46bd-8725-ebe0c3be8ec0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T10:56:20Z
album: TOKYO 2020/1995
  type: MusicAlbum
  date published: 2020-03-28
  track: TOKYO 2020/1995
    type: MusicRecording
    duration: PT1M52S
    duration ms: 112512
    explicit: false
    by artist: CUNO
    in album: TOKYO 2020/1995
      type: MusicAlbum
      date published: 2020-03-28
    genre: city pop
    isrc code: QM42K2026895
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-16T09:30:49+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
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    additional property: OTSBitcoinBlock
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    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958276
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM42K2026895
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-16T12:32:07Z
    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 0x16ec2d1b1694b0d6fa5150b1966a44b260664d157036017957db759d66a0a4f6. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T12:32:07Z), 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/QM42K2026895.
      date published: 2026-07-16T12:32:07Z
    audio: TOKYO 2020/1995
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 128.184
      additional property: Musical Key
        type: PropertyValue
        value: 1
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.666
      additional property: Energy
        type: PropertyValue
        value: 0.837
      additional property: Speechiness
        type: PropertyValue
        value: 0.369
      additional property: Acousticness
        type: PropertyValue
        value: 0.038
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.129
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.785
      additional property: Loudness (dB)
        type: PropertyValue
        value: -6.982
      additional property: Key Name
        type: PropertyValue
        value: C#
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Watching Chobits in 2002
  type: MusicAlbum
  date published: 2021-03-19
  track: Watching Chobits in 2002
    type: MusicRecording
    duration: PT2M3S
    duration ms: 123750
    explicit: false
    by artist: CUNO
    in album: Watching Chobits in 2002
      type: MusicAlbum
      date published: 2021-03-19
    genre: city pop
    isrc code: QM42K2137762
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-21T20:37:19+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xf2af126e86cedb1e9a29ff13ce149f645315dc0424278f8247d650beac5922f2
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 959061
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/959061
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM42K2137762
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-21T23:39:20Z
    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 0xf2af126e86cedb1e9a29ff13ce149f645315dc0424278f8247d650beac5922f2. Chain 2 (Bitcoin): anchored in block 959061 (2026-07-21T23:39:20Z), 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/QM42K2137762.
      date published: 2026-07-21T23:39:20Z
    audio: Watching Chobits in 2002
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 127.973
      additional property: Musical Key
        type: PropertyValue
        value: 6
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.741
      additional property: Energy
        type: PropertyValue
        value: 0.588
      additional property: Speechiness
        type: PropertyValue
        value: 0.442
      additional property: Acousticness
        type: PropertyValue
        value: 0.043
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.111
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Space Cowboy
album: Baby lets watch Spy X Family
album: My Dress Up Darling
album: FOOL 4 LUV
album: Oshi No Ko
album: Frozen Love
album: FROZEN LOVE

Valence (Positivity)
type: PropertyValue
value: 0.628

Loudness (dB)
type: PropertyValue
value: -10.271

Key Name
type: PropertyValue
value: F#

Mode Name
type: PropertyValue
value: Minor

Space Cowboy
type: MusicAlbum
date published: 2022-06-19

Baby lets watch Spy X Family
type: MusicAlbum
date published: 2022-10-13

My Dress Up Darling
type: MusicAlbum
date published: 2022-10-20
track: My dress up darling
  type: MusicRecording
  duration: PT1M31S
  duration ms: 91798
  explicit: false
  by artist: CUNO
  in album: My Dress Up Darling
    type: MusicAlbum
    date published: 2022-10-20
  genre: city pop
  isrc code: QZS632295571
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-15T15:22:19+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd13327728b95aff6d6511323c145bef5775e4a54604cd30d3403827d26a3a74e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958170
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958170
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZS632295571
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-15T18:23:35Z
  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 0xd13327728b95aff6d6511323c145bef5775e4a54604cd30d3403827d26a3a74e. Chain 2 (Bitcoin): anchored in block 958170 (2026-07-15T18:23:35Z), 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/QZS632295571.
    date published: 2026-07-15T18:23:35Z
  audio: My dress up darling
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 125.649
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.701
    additional property: Energy
      type: PropertyValue
      value: 0.504
    additional property: Speechiness
      type: PropertyValue
      value: 0.058
    additional property: Acousticness
      type: PropertyValue
      value: 0.24
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.128
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.827
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.858
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Minor

FOOL 4 LUV
type: MusicAlbum
date published: 2023-07-04

Oshi No Ko
type: MusicAlbum
date published: 2023-08-06

Frozen Love
type: MusicAlbum
date published: 2024-01-16

FROZEN LOVE
type: MusicAlbum
date published: 2024-01-19