DoublePercent
type: MusicGroup
genre: lo-fi
popularity: 20
followers: 684
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x12a92d26a594c12f336c28f4b89c71e302a96cb4a7852ebb874ce4691a74126f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953710
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953710
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7e882130-7342-46fc-8980-47a3dd2dc8cc.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7e882130-7342-46fc-8980-47a3dd2dc8cc.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/7e882130-7342-46fc-8980-47a3dd2dc8cc
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T23:32:42Z
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 0x12a92d26a594c12f336c28f4b89c71e302a96cb4a7852ebb874ce4691a74126f. Chain 2 (Bitcoin): anchored in block 953713 (2026-06-15T00:33:41Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7e882130-7342-46fc-8980-47a3dd2dc8cc.json and https://artists.proofprofile.net/proofs/artist/7e882130-7342-46fc-8980-47a3dd2dc8cc.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T00:33:41Z
album: Violet
  type: MusicAlbum
  date published: 2020-02-01
album: Narcissus
  type: MusicAlbum
  date published: 2020-03-01
album: Sweet Pea
  type: MusicAlbum
  date published: 2020-04-01
album: Carnation
  type: MusicAlbum
  date published: 2020-05-18
  track: Be Fine
    type: MusicRecording
    duration: PT2M13S
    duration ms: 133166
    explicit: false
    by artist: DoublePercent
    in album: Carnation
      type: MusicAlbum
      date published: 2020-05-18
    genre: lo-fi
    isrc code: KRMIM2012209
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-21T07:08:36+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x48466ddd031c0e1bcfdb6ecd87e2b449793fe37a57508c6b4d8b2d1c7b48597b
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958985
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958985
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRMIM2012209
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-21T08:39:15Z
    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 0x48466ddd031c0e1bcfdb6ecd87e2b449793fe37a57508c6b4d8b2d1c7b48597b. Chain 2 (Bitcoin): anchored in block 958985 (2026-07-21T08:39:15Z), 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/KRMIM2012209.
      date published: 2026-07-21T08:39:15Z
    audio: Be Fine
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 180.268
      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: 0.49
      additional property: Energy
        type: PropertyValue
        value: 0.3
      additional property: Speechiness
        type: PropertyValue
        value: 0.1
      additional property: Acousticness
        type: PropertyValue
        value: 0.906
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.912
      additional property: Liveness
        type: PropertyValue
        value: 0.109
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.062
      additional property: Loudness (dB)
        type: PropertyValue
        value: -24.468
      additional property: Key Name
        type: PropertyValue
        value: C#
      additional property: Mode Name
        type: PropertyValue
        value: Minor
  track: u hate me
    type: MusicRecording
    duration: PT1M51S
    duration ms: 111833
    explicit: false
    by artist: DoublePercent
    in album: Carnation
      type: MusicAlbum
      date published: 2020-05-18
    genre: lo-fi
    isrc code: KRMIM2012221
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-20T16:08:43+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x8983db9357f342097cb76a97a5c77188b00bd54e957f1443b05790ad0bbaa7b4
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958908
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958908
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRMIM2012221
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T19:07:41Z
    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 0x8983db9357f342097cb76a97a5c77188b00bd54e957f1443b05790ad0bbaa7b4. Chain 2 (Bitcoin): anchored in block 958908 (2026-07-20T19:07:41Z), 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/KRMIM2012221.
      date published: 2026-07-20T19:07:41Z
    audio: u hate me
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 180.134
      additional property: Musical Key
        type: PropertyValue
        value: 7
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.559
      additional property: Energy
        type: PropertyValue
        value: 0.255
      additional property: Speechiness
        type: PropertyValue
        value: 0.064
      additional property: Acousticness
        type: PropertyValue
        value: 0.759
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.027
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Lily of the valley
album: Honeysuckle
album: Larkspur
album: freak show
album: timeless
album: warm christmas
album: neon lights
album: hope
album: christmas at birdland
album: move
album: clouds
album: Moonlight
album: forever
album: Sugarless
album: you like jazz？
album: sunset park
album: Brooklyn
album: dandelion
album: arcobaleno
album: Daisy
album: rainy day
album: Juice
album: Seesaw
album: Purple Cloud

Liveness
type: PropertyValue
value: 0.137

Valence (Positivity)
type: PropertyValue
value: 0.599

Loudness (dB)
type: PropertyValue
value: -17.939

Key Name
type: PropertyValue
value: G

Mode Name
type: PropertyValue
value: Major

Carnation
type: MusicAlbum
date published: 2020-05-18

Violet
type: MusicAlbum
date published: 2020-05-19

Narcissus
type: MusicAlbum
date published: 2020-05-20

Narcissus
type: MusicAlbum
date published: 2020-05-20

Sweet Pea
type: MusicAlbum
date published: 2020-05-21

Sweet Pea
type: MusicAlbum
date published: 2020-05-21

Lily of the valley
type: MusicAlbum
date published: 2020-06-04

Lily of the valley
type: MusicAlbum
date published: 2020-06-04

Honeysuckle
type: MusicAlbum
date published: 2020-06-29

Honeysuckle
type: MusicAlbum
date published: 2020-06-29

Honeysuckle
type: MusicAlbum
date published: 2020-06-29

Larkspur
type: MusicAlbum
date published: 2020-08-13

Larkspur
type: MusicAlbum
date published: 2020-08-13

Larkspur
type: MusicAlbum
date published: 2020-08-13

freak show
type: MusicAlbum
date published: 2020-09-10

freak show
type: MusicAlbum
date published: 2020-09-10

freak show
type: MusicAlbum
date published: 2020-09-10

timeless
type: MusicAlbum
date published: 2020-09-23

timeless
type: MusicAlbum
date published: 2020-09-23

timeless
type: MusicAlbum
date published: 2020-09-23

warm christmas
type: MusicAlbum
date published: 2020-10-26

warm christmas
type: MusicAlbum
date published: 2020-10-26

neon lights
type: MusicAlbum
date published: 2020-11-12

neon lights
type: MusicAlbum
date published: 2020-11-12

neon lights
type: MusicAlbum
date published: 2020-11-12

hope
type: MusicAlbum
date published: 2020-11-26

hope
type: MusicAlbum
date published: 2020-11-26

christmas at birdland
type: MusicAlbum
date published: 2020-12-01

move
type: MusicAlbum
date published: 2020-12-10

move
type: MusicAlbum
date published: 2020-12-10

clouds
type: MusicAlbum
date published: 2021-01-15

clouds
type: MusicAlbum
date published: 2021-01-15

Moonlight
type: MusicAlbum
date published: 2021-01-25

forever
type: MusicAlbum
date published: 2021-02-02

forever
type: MusicAlbum
date published: 2021-02-02

forever
type: MusicAlbum
date published: 2021-02-02

Sugarless
type: MusicAlbum
date published: 2021-02-26

you like jazz？
type: MusicAlbum
date published: 2021-03-04

you like jazz？
type: MusicAlbum
date published: 2021-03-04

sunset park
type: MusicAlbum
date published: 2021-03-11

Brooklyn
type: MusicAlbum
date published: 2021-04-09
track: Brooklyn
  type: MusicRecording
  duration: PT2M17S
  duration ms: 137647
  explicit: false
  by artist: DoublePercent
  in album: Brooklyn
    type: MusicAlbum
    date published: 2021-04-09
  genre: lo-fi
  isrc code: NLT2H2100290
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-15T23:34:01+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6f353c1c38ea4b7f24f1715087fff10fd08b5629a147bc7a10a5aabd9a1e2888
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958216
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958216
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLT2H2100290
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-16T00:00:34Z
  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 0x6f353c1c38ea4b7f24f1715087fff10fd08b5629a147bc7a10a5aabd9a1e2888. Chain 2 (Bitcoin): anchored in block 958216 (2026-07-16T00:00:34Z), 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/NLT2H2100290.
    date published: 2026-07-16T00:00:34Z
  audio: Brooklyn
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 84.956
    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: 0.449
    additional property: Energy
      type: PropertyValue
      value: 0.349
    additional property: Speechiness
      type: PropertyValue
      value: 0.342
    additional property: Acousticness
      type: PropertyValue
      value: 0.899
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.71
    additional property: Liveness
      type: PropertyValue
      value: 0.269
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.625
    additional property: Loudness (dB)
      type: PropertyValue
      value: -16.469
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Major

dandelion
type: MusicAlbum
date published: 2021-05-10

dandelion
type: MusicAlbum
date published: 2021-05-10

arcobaleno
type: MusicAlbum
date published: 2021-07-05

arcobaleno
type: MusicAlbum
date published: 2021-07-05

Daisy
type: MusicAlbum
date published: 2021-08-06

rainy day
type: MusicAlbum
date published: 2021-08-18

Juice
type: MusicAlbum
date published: 2021-08-27
track: Juice
  type: MusicRecording
  duration: PT2M2S
  duration ms: 122790
  explicit: false
  by artist: DoublePercent
  in album: Juice
    type: MusicAlbum
    date published: 2021-08-27
  genre: lo-fi
  isrc code: NLT2H2100682
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-12T18:39:39+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa8d72d6fbe0d1e75800e4fe9fe506ad6f33d5c7a2089d095309baf5aec1824a5
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957744
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957744
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLT2H2100682
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-12T19:15:44Z
  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 0xa8d72d6fbe0d1e75800e4fe9fe506ad6f33d5c7a2089d095309baf5aec1824a5. Chain 2 (Bitcoin): anchored in block 957744 (2026-07-12T19:15:44Z), 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/NLT2H2100682.
    date published: 2026-07-12T19:15:44Z
  audio: Juice
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 172.496
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.767
    additional property: Energy
      type: PropertyValue
      value: 0.423
    additional property: Speechiness
      type: PropertyValue
      value: 0.283
    additional property: Acousticness
      type: PropertyValue
      value: 0.945
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.716
    additional property: Liveness
      type: PropertyValue
      value: 0.167
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.377
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.221
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Major

Juice
type: MusicAlbum
date published: 2021-08-27

Seesaw
type: MusicAlbum
date published: 2021-09-17

Purple Cloud
type: MusicAlbum
date published: 2021-10-04