Choi Cheol-ho
type: MusicGroup
genre: soundtrack
description: Choi Cheol-ho (; born 2 March 1970) is a South Korean actor. He rose to fame after appearing in the hit drama Queen of Housewives (also known as My Wife is a Superwoman, 2009). Other notable roles inc
popularity: 27
followers: 2038
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd04bd18791f2ea4430bf88c626546423bf39a482bcf3242141315c7d9a873b54
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e31e71bf-9a51-45a5-ab6b-b3f4a468f92a.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e31e71bf-9a51-45a5-ab6b-b3f4a468f92a.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/e31e71bf-9a51-45a5-ab6b-b3f4a468f92a
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd04bd18791f2ea4430bf88c626546423bf39a482bcf3242141315c7d9a873b54. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e31e71bf-9a51-45a5-ab6b-b3f4a468f92a.json and https://artists.proofprofile.net/proofs/artist/e31e71bf-9a51-45a5-ab6b-b3f4a468f92a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
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track: The Sassy Girlz
  type: MusicRecording
  duration: PT2M23S
  duration ms: 143908
  explicit: false
  by artist: Choi Cheol-ho
  by artist: 장경진
  in album: 발칙하게 고고 (Original Television Soundtrack)
    type: MusicAlbum
    date published: 2015-11-16
  isrc code: KRC691500053
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-31T18:46:53+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x60ab1f6f391b4e1861d59efbe5e58e81ad3e5fc23020d5f6ca21b7c08cccec1a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960455
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960455
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRC691500053
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-31T19:53:13Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60ab1f6f391b4e1861d59efbe5e58e81ad3e5fc23020d5f6ca21b7c08cccec1a. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/KRC691500053.
    date published: 2026-07-31T19:53:13Z
  audio: The Sassy Girlz
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 135.025
    additional property: Musical Key
      type: PropertyValue
      value: 10
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.677
    additional property: Energy
      type: PropertyValue
      value: 0.791
    additional property: Speechiness
      type: PropertyValue
      value: 0.036
    additional property: Acousticness
      type: PropertyValue
      value: 0
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.827
    additional property: Liveness
      type: PropertyValue
      value: 0.101
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.836
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.759
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Hold On There
  type: MusicRecording
  duration: PT3M1S
  duration ms: 181394
  explicit: false
  by artist: Choi Cheol-ho
  by artist: 장경진
  in album: 발칙하게 고고 (Original Television Soundtrack)
    type: MusicAlbum
    date published: 2015-11-16
  isrc code: KRC691500054
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-10T16:06:39+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd81a7ff97c99034512d0fbff0c7be3427cd56caa722c5a95549d348986db1e67
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953520
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/953520
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRC691500054
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd81a7ff97c99034512d0fbff0c7be3427cd56caa722c5a95549d348986db1e67. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/KRC691500054.
    date published: 2026-06-13T13:32:09Z
  audio: Hold On There
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 111.221
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.492
    additional property: Energy
      type: PropertyValue
      value: 0.574
    additional property: Speechiness
      type: PropertyValue
      value: 0.025
    additional property: Acousticness
      type: PropertyValue
      value: 0.05
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.059
    additional property: Liveness
      type: PropertyValue
      value: 0.174
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.189
    additional property: Loudness (dB)
    additional property: Key Name
    additional property: Mode Name
track: Sentimental Trumpet
track: Golden Hope
track: Happy School Days
track: The K2 Main Theme
track: Anemone
track: The Witch and the Girl
track: Mirror Mirror
track: Wolf Knight
track: Quando Corpus Morietur
track: Wolf's Song
track: Serenade
track: Witching Hour
track: The Witch's Advice
track: Der Rosenkavalier
track: A queen of the forest

Loudness (dB)
type: PropertyValue
value: -10.189

Key Name
type: PropertyValue
value: F

Mode Name
type: PropertyValue
value: Major

Sentimental Trumpet
type: MusicRecording
duration: PT3M26S
duration ms: 206288
explicit: false
by artist: Choi Cheol-ho
by artist: 홍동표
in album: 발칙하게 고고 (Original Television Soundtrack)
  type: MusicAlbum
  date published: 2015-11-16
isrc code: KRC691500055
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T08:51:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xabb64ab7c2494e6d9da0c59d9a8b6e03fcacc9dbd76ad85d89877fd51ffb9744
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957073
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957073
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRC691500055
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T18:39:05Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabb64ab7c2494e6d9da0c59d9a8b6e03fcacc9dbd76ad85d89877fd51ffb9744. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/KRC691500055.
  date published: 2026-07-07T18:39:05Z
audio: Sentimental Trumpet
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 99.01
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.318
  additional property: Energy
    type: PropertyValue
    value: 0.234
  additional property: Speechiness
    type: PropertyValue
    value: 0.029
  additional property: Acousticness
    type: PropertyValue
    value: 0.972
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.891
  additional property: Liveness
    type: PropertyValue
    value: 0.386
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.137
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.837
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Golden Hope
type: MusicRecording
duration: PT4M51S
duration ms: 291213
explicit: false
by artist: Choi Cheol-ho
by artist: Oh Hye Joo
in album: 발칙하게 고고 (Original Television Soundtrack)
  type: MusicAlbum
  date published: 2015-11-16
isrc code: KRC691500058
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T16:11:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7fb93fd4fe33a7338c76ce81bdb0f3217bee812e91174c7325587703e3e2db07
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960435
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960435
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRC691500058
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T16:33:26Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fb93fd4fe33a7338c76ce81bdb0f3217bee812e91174c7325587703e3e2db07. Chain 2 (Bitcoin): anchored in block 960435 (2026-07-31T16:33:26Z), 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/KRC691500058.
  date published: 2026-07-31T16:33:26Z
audio: Golden Hope
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 138.407
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.197
  additional property: Energy
    type: PropertyValue
    value: 0.469
  additional property: Speechiness
    type: PropertyValue
    value: 0.033
  additional property: Acousticness
    type: PropertyValue
    value: 0.07
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.663
  additional property: Liveness
    type: PropertyValue
    value: 0.088
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.055
  additional property: Loudness (dB)
    type: PropertyValue
    value: -9.894
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Happy School Days
type: MusicRecording
duration: PT2M0S
duration ms: 120711
explicit: false
by artist: Choi Cheol-ho
by artist: 장경진
in album: 발칙하게 고고 (Original Television Soundtrack)
  type: MusicAlbum
  date published: 2015-11-16
isrc code: KRC691500060
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T19:33:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x73819a510504ebbbdce37380921979a03da0da023910abc6de4079de9ac42d9f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960455
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960455
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRC691500060
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T19:53:13Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73819a510504ebbbdce37380921979a03da0da023910abc6de4079de9ac42d9f. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/KRC691500060.
  date published: 2026-07-31T19:53:13Z
audio: Happy School Days
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 138.398
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.691
  additional property: Energy
    type: PropertyValue
    value: 0.616
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.71
  additional property: Liveness
    type: PropertyValue
    value: 0.054
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.855
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.867
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

The K2 Main Theme
type: MusicRecording
duration: PT6M45S
duration ms: 405605
explicit: false
by artist: Choi Cheol-ho
in album: The K2 (Original Television Soundtrack)
  type: MusicAlbum
  date published: 2016-11-11
isrc code: KRA491600798
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T08:10:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xee0cb7027a87b1e77d48e61948ba2bec5d417c8f3ffdf35dc532fa1a2e369063
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953515
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRA491600798
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee0cb7027a87b1e77d48e61948ba2bec5d417c8f3ffdf35dc532fa1a2e369063. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/KRA491600798.
  date published: 2026-06-13T12:53:06Z
audio: The K2 Main Theme
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 124.797
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.386
  additional property: Energy
    type: PropertyValue
    value: 0.918
  additional property: Speechiness
    type: PropertyValue
    value: 0.124
  additional property: Acousticness
    type: PropertyValue
    value: 0.334
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.219
  additional property: Liveness
    type: PropertyValue
    value: 0.13
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.245
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Anemone
type: MusicRecording
duration: PT3M52S
duration ms: 232210
explicit: false
by artist: Choi Cheol-ho
in album: The K2 (Original Television Soundtrack)
  type: MusicAlbum
  date published: 2016-11-11
isrc code: KRA491600804
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T20:53:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8fce07398f6f7e191df5f81533a19deedb055b9200eb657c9ef475f82abee638
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953528
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRA491600804
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8fce07398f6f7e191df5f81533a19deedb055b9200eb657c9ef475f82abee638. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/KRA491600804.
  date published: 2026-06-13T15:41:10Z
audio: Anemone
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.838
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.202
  additional property: Energy
    type: PropertyValue
    value: 0.237
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.884
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.009
  additional property: Liveness
    type: PropertyValue
    value: 0.154
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.087
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.339
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

The Witch and the Girl
type: MusicRecording
duration: PT3M56S
duration ms: 236722
explicit: false
by artist: Choi Cheol-ho
in album: The K2 (Original Television Soundtrack)
  type: MusicAlbum
  date published: 2016-11-11
isrc code: KRA491600805
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T21:11:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4e8e12eebbabc5811b8c9846be9efa915f03b879f90100df888557797ff3d815
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953528
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRA491600805
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e8e12eebbabc5811b8c9846be9efa915f03b879f90100df888557797ff3d815. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/KRA491600805.
  date published: 2026-06-13T15:41:10Z
audio: The Witch and the Girl
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 158.825
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.406
  additional property: Energy
    type: PropertyValue
    value: 0.276
  additional property: Speechiness
    type: PropertyValue
    value: 0.031
  additional property: Acousticness
    type: PropertyValue
    value: 0.93
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.284
  additional property: Liveness
    type: PropertyValue
    value: 0.177
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.18
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.552
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Mirror Mirror
type: MusicRecording
duration: PT2M52S
duration ms: 172245
explicit: false
by artist: Choi Cheol-ho
in album: The K2 (Original Television Soundtrack)
  type: MusicAlbum
  date published: 2016-11-11
isrc code: KRA491600806
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T12:45:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x00a278ed8bd15e520756cdb285197b00f412139752d33d3eaaabf182e58b9f80
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRA491600806
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00a278ed8bd15e520756cdb285197b00f412139752d33d3eaaabf182e58b9f80. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/KRA491600806.
  date published: 2026-06-13T13:32:09Z
audio: Mirror Mirror
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 131.631
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.243
  additional property: Energy
    type: PropertyValue
    value: 0.246
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.907
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.608
  additional property: Liveness
    type: PropertyValue
    value: 0.217
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.042
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.407
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Wolf Knight
type: MusicRecording
duration: PT4M44S
duration ms: 284676
explicit: false
by artist: Choi Cheol-ho
in album: The K2 (Original Television Soundtrack)
  type: MusicAlbum
  date published: 2016-11-11
isrc code: KRA491600807
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T05:19:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb82e6fa01d87b33356e093e7d90cd4e16a843e0d4c314caba999a879d6c7012e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRA491600807
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb82e6fa01d87b33356e093e7d90cd4e16a843e0d4c314caba999a879d6c7012e. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/KRA491600807.
  date published: 2026-06-13T13:32:09Z
audio: Wolf Knight
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 112.526
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.361
  additional property: Energy
    type: PropertyValue
    value: 0.546
  additional property: Speechiness
    type: PropertyValue
    value: 0.029
  additional property: Acousticness
    type: PropertyValue
    value: 0.697
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.848
  additional property: Liveness
    type: PropertyValue
    value: 0.215
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.049
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.319
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Quando Corpus Morietur
type: MusicRecording
duration: PT5M1S
duration ms: 301255
explicit: false
by artist: Choi Cheol-ho
in album: The K2 (Original Television Soundtrack)
  type: MusicAlbum
  date published: 2016-11-11
isrc code: KRA491600808
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T10:24:58+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x80226c7939e2c9a5a79c676eb9fe609babc3b37e43f103d59d2ac01e1f275333
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRA491600808
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80226c7939e2c9a5a79c676eb9fe609babc3b37e43f103d59d2ac01e1f275333. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/KRA491600808.
  date published: 2026-07-02T03:30:09Z
audio: Quando Corpus Morietur
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 135.692
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.481
  additional property: Energy
    type: PropertyValue
    value: 0.811
  additional property: Speechiness
    type: PropertyValue
    value: 0.081
  additional property: Acousticness
    type: PropertyValue
    value: 0.014
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.578
  additional property: Liveness
    type: PropertyValue
    value: 0.158
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.277
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.157
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Wolf's Song
type: MusicRecording
duration: PT3M30S
duration ms: 210736
explicit: false
by artist: Choi Cheol-ho
in album: The K2 (Original Television Soundtrack)
  type: MusicAlbum
  date published: 2016-11-11
isrc code: KRA491600809
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T14:24:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc8353c42ada352cdb8b1082018e7dd42e4668274a29063d48aed76aa3507eda9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953515
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRA491600809
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8353c42ada352cdb8b1082018e7dd42e4668274a29063d48aed76aa3507eda9. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/KRA491600809.
  date published: 2026-06-13T12:53:06Z
audio: Wolf's Song
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 131.613
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.505
  additional property: Energy
    type: PropertyValue
    value: 0.279
  additional property: Speechiness
    type: PropertyValue
    value: 0.03
  additional property: Acousticness
    type: PropertyValue
    value: 0.786
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.4
  additional property: Liveness
    type: PropertyValue
    value: 0.094
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.115
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.296
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Serenade
type: MusicRecording
duration: PT3M38S
duration ms: 218126
explicit: false
by artist: Choi Cheol-ho
in album: The K2 (Original Television Soundtrack)
  type: MusicAlbum
  date published: 2016-11-11
isrc code: KRA491600810
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T09:01:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0a9fd7f89267fb85742a451760890e404b15860cd29fe4ab90bd986a0d659031
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRA491600810
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a9fd7f89267fb85742a451760890e404b15860cd29fe4ab90bd986a0d659031. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/KRA491600810.
  date published: 2026-06-13T13:32:09Z
audio: Serenade
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 134.84
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.288
  additional property: Energy
    type: PropertyValue
    value: 0.277
  additional property: Speechiness
    type: PropertyValue
    value: 0.033
  additional property: Acousticness
    type: PropertyValue
    value: 0.912
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.208
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.144
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.929
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Witching Hour
type: MusicRecording
duration: PT2M40S
duration ms: 160912
explicit: false
by artist: Choi Cheol-ho
in album: The K2 (Original Television Soundtrack)
  type: MusicAlbum
  date published: 2016-11-11
isrc code: KRA491600811
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T05:15:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfa386932eedabed3699e293be57da5efaec5b30b5f35d4af624384f8c2f4fb7a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRA491600811
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa386932eedabed3699e293be57da5efaec5b30b5f35d4af624384f8c2f4fb7a. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/KRA491600811.
  date published: 2026-06-13T13:32:09Z
audio: Witching Hour
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 128.722
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.347
  additional property: Energy
    type: PropertyValue
    value: 0.216
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.713
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.934
  additional property: Liveness
    type: PropertyValue
    value: 0.115
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.037
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.813
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

The Witch's Advice
type: MusicRecording
duration: PT3M1S
duration ms: 181907
explicit: false
by artist: Choi Cheol-ho
in album: The K2 (Original Television Soundtrack)
  type: MusicAlbum
  date published: 2016-11-11
isrc code: KRA491600812
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T05:14:09+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x16fdb7115e366d2f8b075e43325bf33f3c772f82c661489655aa4a82662f341c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRA491600812
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16fdb7115e366d2f8b075e43325bf33f3c772f82c661489655aa4a82662f341c. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/KRA491600812.
  date published: 2026-06-13T13:32:09Z
audio: The Witch's Advice
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 142.453
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.467
  additional property: Energy
    type: PropertyValue
    value: 0.182
  additional property: Speechiness
    type: PropertyValue
    value: 0.031
  additional property: Acousticness
    type: PropertyValue
    value: 0.989
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.739
  additional property: Liveness
    type: PropertyValue
    value: 0.129
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.075
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.69
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Der Rosenkavalier
type: MusicRecording
duration: PT4M59S
duration ms: 299883
explicit: false
by artist: Choi Cheol-ho
in album: The K2 (Original Television Soundtrack)
  type: MusicAlbum
  date published: 2016-11-11
isrc code: KRA491600813
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T18:30:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb62f7047689d3ca21a354863c4b2d3ee640c8ad1c8a96caab51b7de32859552e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRA491600813
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb62f7047689d3ca21a354863c4b2d3ee640c8ad1c8a96caab51b7de32859552e. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/KRA491600813.
  date published: 2026-07-02T03:30:09Z
audio: Der Rosenkavalier
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 158.811
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.307
  additional property: Energy
    type: PropertyValue
    value: 0.892
  additional property: Speechiness
    type: PropertyValue
    value: 0.225
  additional property: Acousticness
    type: PropertyValue
    value: 0.003
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.721
  additional property: Liveness
    type: PropertyValue
    value: 0.141
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.21
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.735
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Minor

A queen of the forest
type: MusicRecording
duration: PT4M37S
duration ms: 277246
explicit: false
by artist: Choi Cheol-ho
in album: The K2 (Original Television Soundtrack)
  type: MusicAlbum
  date published: 2016-11-11
isrc code: KRA491600815
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T18:17:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf772f026de12f0a07df7044ffa13b3c4abce01bd3c5b3d2a96595904456d4624
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRA491600815
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf772f026de12f0a07df7044ffa13b3c4abce01bd3c5b3d2a96595904456d4624. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/KRA491600815.
  date published: 2026-07-02T03:30:09Z
audio: A queen of the forest
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.126
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.246
  additional property: Energy
    type: PropertyValue
    value: 0.843
  additional property: Speechiness
    type: PropertyValue
    value: 0.138
  additional property: Acousticness
    type: PropertyValue
    value: 0.044
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.823
  additional property: Liveness
    type: PropertyValue
    value: 0.204
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.275
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.926
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Minor