卡捷琳娜(Katerina)
type: MusicGroup
genre: c-pop
popularity: 20
followers: 234
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc5cfdbc195d0cc6fbcc81a6f3a823b53a54b859701fadf704a99222bf1ca966d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953770
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953770
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/af2c1087-248c-41b2-8459-0b48604eade0.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/af2c1087-248c-41b2-8459-0b48604eade0.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/af2c1087-248c-41b2-8459-0b48604eade0
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T09:50:11Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc5cfdbc195d0cc6fbcc81a6f3a823b53a54b859701fadf704a99222bf1ca966d","name":"卡捷琳娜(Katerina)","registered_at":"2026-06-14T22:59:10Z","symbol":"NIM0603459","token_address":"0x9ef7653cffcc4ec526d543d22943828108fa3c42","type":"artist","uuid":"af2c1087-248c-41b2-8459-0b48604eade0"}
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 0xc5cfdbc195d0cc6fbcc81a6f3a823b53a54b859701fadf704a99222bf1ca966d. Chain 2 (Bitcoin): anchored in block 953770 (2026-06-15T09:50:11Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/af2c1087-248c-41b2-8459-0b48604eade0.json and https://artists.proofprofile.net/proofs/artist/af2c1087-248c-41b2-8459-0b48604eade0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T09:50:11Z
  text: {"copyright_id":"0xc5cfdbc195d0cc6fbcc81a6f3a823b53a54b859701fadf704a99222bf1ca966d","name":"卡捷琳娜(Katerina)","registered_at":"2026-06-14T22:59:10Z","symbol":"NIM0603459","token_address":"0x9ef7653cffcc4ec526d543d22943828108fa3c42","type":"artist","uuid":"af2c1087-248c-41b2-8459-0b48604eade0"}
album: 亲爱的你别走
  type: MusicAlbum
  date published: 2023-02-20
album: 爱他
  type: MusicAlbum
  date published: 2023-05-09
album: 感谢信 (录制版)
  type: MusicAlbum
  date published: 2023-05-15
album: 自娱自乐
  type: MusicAlbum
  date published: 2023-07-23
album: 自由以后
  type: MusicAlbum
  date published: 2023-08-06
  track: 自由以后
    type: MusicRecording
    duration: PT2M52S
    duration ms: 172035
    explicit: false
    by artist: 卡捷琳娜(Katerina)
    in album: 自由以后
      type: MusicAlbum
      date published: 2023-08-06
    genre: c-pop
    isrc code: DGA082310563
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-21T18:13:31+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xb8049b01337c4b5d37468ea058af73ce5a22653832b967ec4159ac072cad27f5
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 959047
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/959047
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DGA082310563
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-21T21:16:47Z
    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 0xb8049b01337c4b5d37468ea058af73ce5a22653832b967ec4159ac072cad27f5. Chain 2 (Bitcoin): anchored in block 959047 (2026-07-21T21:16:47Z), 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/DGA082310563.
      date published: 2026-07-21T21:16:47Z
    audio: 自由以后
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 90
      additional property: Musical Key
        type: PropertyValue
        value: 8
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.743
      additional property: Energy
        type: PropertyValue
        value: 0.638
      additional property: Speechiness
        type: PropertyValue
        value: 0.045
      additional property: Acousticness
        type: PropertyValue
        value: 0.332
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.082
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.593
      additional property: Loudness (dB)
        type: PropertyValue
        value: -6.069
      additional property: Key Name
        type: PropertyValue
        value: Ab
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: 念念相忘
  type: MusicAlbum
  date published: 2023-08-24
album: 坠海
  type: MusicAlbum
  date published: 2023-09-25
  track: 坠海
    type: MusicRecording
    duration: PT4M31S
    duration ms: 271409
    explicit: false
    by artist: 卡捷琳娜(Katerina)
    in album: 坠海
      type: MusicAlbum
      date published: 2023-09-25
    genre: c-pop
    isrc code: DGA0H2307380
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T02:58:55+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x7a2ed5b455e708fce36e5f953f3a6d1bf0730304e0bf14e63ed5db95f1dc05b1
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956476
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956476
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DGA0H2307380
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T09:04:44Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a2ed5b455e708fce36e5f953f3a6d1bf0730304e0bf14e63ed5db95f1dc05b1. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DGA0H2307380.
      date published: 2026-07-03T09:04:44Z
    audio: 坠海
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 74.952
      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: 0.576
      additional property: Energy
      additional property: Speechiness
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: 乌拉爱中国
album: 偏爱
album: 如果这就是爱情 (中俄双语)
album: 念念相忘 (Rnb心动版)
album: 管什么
album: Таю (念念相忘)
album: 你的那一章
album: 耀眼剧目
album: 是想念也是麻烦 (中俄版)

Energy
type: PropertyValue
value: 0.59

Speechiness
type: PropertyValue
value: 0.039

Acousticness
type: PropertyValue
value: 0.561

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.13

Valence (Positivity)
type: PropertyValue
value: 0.162

Loudness (dB)
type: PropertyValue
value: -5.577

Key Name
type: PropertyValue
value: Eb

Mode Name
type: PropertyValue
value: Major

乌拉爱中国
type: MusicAlbum
date published: 2023-10-24

偏爱
type: MusicAlbum
date published: 2023-11-06

如果这就是爱情 (中俄双语)
type: MusicAlbum
date published: 2023-11-06

念念相忘 (Rnb心动版)
type: MusicAlbum
date published: 2024-05-27

管什么
type: MusicAlbum
date published: 2024-06-12

Таю (念念相忘)
type: MusicAlbum
date published: 2024-07-30

你的那一章
type: MusicAlbum
date published: 2024-10-08

耀眼剧目
type: MusicAlbum
date published: 2024-10-26

是想念也是麻烦 (中俄版)
type: MusicAlbum
date published: 2024-11-29