Bek Hyunjin
type: MusicGroup
genre: indie jazz
popularity: 19
followers: 4015
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc8f2f605ecfaeaf662609ad553102832558ec1d71e9faab841810368107e18f8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953842
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953842
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/fec8f14c-41ed-4cc8-9793-f0d69276af6f.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/fec8f14c-41ed-4cc8-9793-f0d69276af6f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/fec8f14c-41ed-4cc8-9793-f0d69276af6f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T22:22:30Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc8f2f605ecfaeaf662609ad553102832558ec1d71e9faab841810368107e18f8","name":"Bek Hyunjin","registered_at":"2026-06-15T07:16:48Z","symbol":"NIM0722292","token_address":"0xf616d95f1d36d3d5735b3f9279c34d2350e97c54","type":"artist","uuid":"fec8f14c-41ed-4cc8-9793-f0d69276af6f"}
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 0xc8f2f605ecfaeaf662609ad553102832558ec1d71e9faab841810368107e18f8. Chain 2 (Bitcoin): anchored in block 953842 (2026-06-15T22:22:30Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/fec8f14c-41ed-4cc8-9793-f0d69276af6f.json and https://artists.proofprofile.net/proofs/artist/fec8f14c-41ed-4cc8-9793-f0d69276af6f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T22:22:30Z
  text: {"copyright_id":"0xc8f2f605ecfaeaf662609ad553102832558ec1d71e9faab841810368107e18f8","name":"Bek Hyunjin","registered_at":"2026-06-15T07:16:48Z","symbol":"NIM0722292","token_address":"0xf616d95f1d36d3d5735b3f9279c34d2350e97c54","type":"artist","uuid":"fec8f14c-41ed-4cc8-9793-f0d69276af6f"}
album: Time Of Reflection (Remastered 2024)
  type: MusicAlbum
  date published: 2008-05-19
  track: The Day I Long-awaited
    type: MusicRecording
    duration: PT6M41S
    duration ms: 401040
    explicit: false
    by artist: Bek Hyunjin
    in album: Time Of Reflection (Remastered 2024)
      type: MusicAlbum
      date published: 2008-05-19
    genre: indie jazz
    isrc code: KRC082300034
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-22T02:19:43+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x933a95f037eb1ccd87cd9e4d0ea0b7fa4c5e5319f916603e49def6f67de9f736
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 959091
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/959091
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRC082300034
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-22T05:21:42Z
    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 0x933a95f037eb1ccd87cd9e4d0ea0b7fa4c5e5319f916603e49def6f67de9f736. Chain 2 (Bitcoin): anchored in block 959091 (2026-07-22T05:21:42Z), 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/KRC082300034.
      date published: 2026-07-22T05:21:42Z
    audio: The Day I Long-awaited
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 126.516
      additional property: Musical Key
        type: PropertyValue
        value: 3
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.498
      additional property: Energy
        type: PropertyValue
        value: 0.162
      additional property: Speechiness
        type: PropertyValue
        value: 0.034
      additional property: Acousticness
        type: PropertyValue
        value: 0.943
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.117
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.227
      additional property: Loudness (dB)
        type: PropertyValue
        value: -9.894
      additional property: Key Name
        type: PropertyValue
        value: Eb
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Taste of money OST
  type: MusicAlbum
  date published: 2012-05-17
album: Light, Many
  type: MusicAlbum
  date published: 2019-11-29
  track: Snow
    type: MusicRecording
    duration: PT4M23S
    duration ms: 263435
    explicit: false
    by artist: Bek Hyunjin
    in album: Light, Many
      type: MusicAlbum
      date published: 2019-11-29
    genre: indie jazz
    isrc code: KRA0R1900390
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-20T20:25:04+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xb1998ca6d7030002f2491c60393702a60121e2171843c5582587b75491c411f5
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958931
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958931
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRA0R1900390
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T21:15:01Z
    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 0xb1998ca6d7030002f2491c60393702a60121e2171843c5582587b75491c411f5. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/KRA0R1900390.
      date published: 2026-07-20T21:15:01Z
    audio: Snow
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 92.07
      additional property: Musical Key
        type: PropertyValue
        value: 1
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 3
      additional property: Danceability
        type: PropertyValue
        value: 0.42
      additional property: Energy
        type: PropertyValue
        value: 0.247
      additional property: Speechiness
        type: PropertyValue
        value: 0.034
      additional property: Acousticness
        type: PropertyValue
        value: 0.937
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.109
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
  track: The Rest of My Rice Roll
album: Csimplex: 04
album: Csimplex: Beyond Words
album: Csimplex: Word of The Day
album: Light
album: CRASH (Original Soundtrack) Part.2
album: Csimplex: Composeduncomposed Lounge
album: Mogwa
album: Seoul Syntax: Nighttime
album: Seoul Syntax: Daytime

Liveness
type: PropertyValue
value: 0.105

Valence (Positivity)
type: PropertyValue
value: 0.235

Loudness (dB)
type: PropertyValue
value: -6.77

Key Name
type: PropertyValue
value: C#

Mode Name
type: PropertyValue
value: Major

The Rest of My Rice Roll
type: MusicRecording
duration: PT3M56S
duration ms: 236281
explicit: false
by artist: Bek Hyunjin
in album: Light, Many
  type: MusicAlbum
  date published: 2019-11-29
genre: indie jazz
isrc code: KRA0R1900391
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-19T08:16:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3a993f23e3917ea20c8a85ce2c57f2a2a424f7a69838a68b9e52998943cc6fc3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958703
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958703
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRA0R1900391
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-19T08:36:12Z
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 0x3a993f23e3917ea20c8a85ce2c57f2a2a424f7a69838a68b9e52998943cc6fc3. Chain 2 (Bitcoin): anchored in block 958703 (2026-07-19T08:36:12Z), 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/KRA0R1900391.
  date published: 2026-07-19T08:36:12Z
audio: The Rest of My Rice Roll
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 122.159
  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: 0.514
  additional property: Energy
    type: PropertyValue
    value: 0.11
  additional property: Speechiness
    type: PropertyValue
    value: 0.05
  additional property: Acousticness
    type: PropertyValue
    value: 0.943
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.005
  additional property: Liveness
    type: PropertyValue
    value: 0.068
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.101
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.418
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Light, Many
type: MusicAlbum
date published: 2019-11-29

Csimplex: 04
type: MusicAlbum
date published: 2020-12-16

Csimplex: Beyond Words
type: MusicAlbum
date published: 2023-11-01

Csimplex: Word of The Day
type: MusicAlbum
date published: 2023-11-17

Light
type: MusicAlbum
date published: 2023-12-05
track: Light23
  type: MusicRecording
  duration: PT6M24S
  duration ms: 384323
  explicit: false
  by artist: Bek Hyunjin
  in album: Light
    type: MusicAlbum
    date published: 2023-12-05
  genre: indie jazz
  isrc code: KRC082300061
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T02:59:37+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xbe741019ed7d5f8c73508675ca3b56ecf624cd10044c88fb79eac861a672ea25
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958484
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958484
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRC082300061
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T03:34:53Z
  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 0xbe741019ed7d5f8c73508675ca3b56ecf624cd10044c88fb79eac861a672ea25. Chain 2 (Bitcoin): anchored in block 958484 (2026-07-18T03:34:53Z), 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/KRC082300061.
    date published: 2026-07-18T03:34:53Z
  audio: Light23
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 86.904
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.605
    additional property: Energy
      type: PropertyValue
      value: 0.588
    additional property: Speechiness
      type: PropertyValue
      value: 0.047
    additional property: Acousticness
      type: PropertyValue
      value: 0.333
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.264
    additional property: Liveness
      type: PropertyValue
      value: 0.167
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.424
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.169
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Major

CRASH (Original Soundtrack) Part.2
type: MusicAlbum
date published: 2024-05-28

Csimplex: Composeduncomposed Lounge
type: MusicAlbum
date published: 2024-08-29

Mogwa
type: MusicAlbum
date published: 2024-10-14

Seoul Syntax: Nighttime
type: MusicAlbum
date published: 2025-06-10
track: Pink
  type: MusicRecording
  duration: PT6M43S
  duration ms: 403554
  explicit: false
  by artist: Bek Hyunjin
  in album: Seoul Syntax: Nighttime
    type: MusicAlbum
    date published: 2025-06-10
  genre: indie jazz
  isrc code: KRC082500011
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-13T00:02:09+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x200979a95a09c0ac8af9308e8b21b1d256d013a453f7efb52b1fe8e945a04ce1
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957778
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957778
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRC082500011
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-13T00:08:48Z
  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 0x200979a95a09c0ac8af9308e8b21b1d256d013a453f7efb52b1fe8e945a04ce1. Chain 2 (Bitcoin): anchored in block 957778 (2026-07-13T00:08:48Z), 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/KRC082500011.
    date published: 2026-07-13T00:08:48Z
  audio: Pink
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 111.081
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.314
    additional property: Energy
      type: PropertyValue
      value: 0.337
    additional property: Speechiness
      type: PropertyValue
      value: 0.034
    additional property: Acousticness
      type: PropertyValue
      value: 0.955
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.163
    additional property: Liveness
      type: PropertyValue
      value: 0.358
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.096
    additional property: Loudness (dB)
      type: PropertyValue
      value: -11.297
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Waves
  type: MusicRecording
  duration: PT7M7S
  duration ms: 427424
  explicit: false
  by artist: Bek Hyunjin
  in album: Seoul Syntax: Nighttime
    type: MusicAlbum
    date published: 2025-06-10
  genre: indie jazz
  isrc code: KRC082500013
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-15T11:52:39+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x1e52fafd855218a2ab2e182ae9b74564cbfd0b7539aa52b59ed70c64481b6aa1
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958157
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958157
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRC082500013
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-15T14:56:12Z
  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 0x1e52fafd855218a2ab2e182ae9b74564cbfd0b7539aa52b59ed70c64481b6aa1. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T14:56:12Z), 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/KRC082500013.
    date published: 2026-07-15T14:56:12Z
  audio: Waves
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 96.062
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.277
    additional property: Energy
      type: PropertyValue
      value: 0.445
    additional property: Speechiness
      type: PropertyValue
      value: 0.041
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    additional property: Key Name
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track: Engdoo
  type: MusicRecording
  duration: PT9M12S
  duration ms: 552742
  explicit: false
  by artist: Bek Hyunjin
  in album: Seoul Syntax: Nighttime
    type: MusicAlbum
    date published: 2025-06-10
  genre: indie jazz
  isrc code: KRC082500014
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  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Engdoo

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRC082500014

OTSTimestamp
type: PropertyValue
value: 2026-07-17T04:28:36Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7f4e2e748467a660e87e6b8e5dfbd91715a3d12e94d3f3eaf32a15ede0eeebd. Chain 2 (Bitcoin): anchored in block 958350 (2026-07-17T04:28:36Z), 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/KRC082500014.
date published: 2026-07-17T04:28:36Z

Engdoo
type: AudioObject
additional property: Tempo (BPM)
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  value: 133.496
additional property: Musical Key
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additional property: Mode (Major/Minor)
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additional property: Time Signature
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additional property: Danceability
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additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
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additional property: Instrumentalness
  type: PropertyValue
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additional property: Liveness
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
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  value: -14.289
additional property: Key Name
  type: PropertyValue
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additional property: Mode Name
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Seoul Syntax: Daytime
type: MusicAlbum
date published: 2025-06-10