Александр Сергеев
type: MusicGroup
popularity: 4
followers: 149
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe1e6a3261e8a0ac38e9614e4068fa9bfec15c7f77f9154ecc1138b588b885d36
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954650
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954650
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d95fde7c-c80f-4b42-8a53-1596599c8e31.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d95fde7c-c80f-4b42-8a53-1596599c8e31.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/d95fde7c-c80f-4b42-8a53-1596599c8e31
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T04:51:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe1e6a3261e8a0ac38e9614e4068fa9bfec15c7f77f9154ecc1138b588b885d36","name":"Александр Сергеев","registered_at":"2026-06-21T04:05:44Z","symbol":"NIM1814293","token_address":"0xdecddc9fc91ed00edec0addc75dfc223d2590358","type":"artist","uuid":"d95fde7c-c80f-4b42-8a53-1596599c8e31"}
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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1e6a3261e8a0ac38e9614e4068fa9bfec15c7f77f9154ecc1138b588b885d36. Chain 2 (Bitcoin): anchored in block 954650 (2026-06-21T04:51:12Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d95fde7c-c80f-4b42-8a53-1596599c8e31.json and https://artists.proofprofile.net/proofs/artist/d95fde7c-c80f-4b42-8a53-1596599c8e31.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T04:51:12Z
  text: {"copyright_id":"0xe1e6a3261e8a0ac38e9614e4068fa9bfec15c7f77f9154ecc1138b588b885d36","name":"Александр Сергеев","registered_at":"2026-06-21T04:05:44Z","symbol":"NIM1814293","token_address":"0xdecddc9fc91ed00edec0addc75dfc223d2590358","type":"artist","uuid":"d95fde7c-c80f-4b42-8a53-1596599c8e31"}
album: Для тебя
  type: MusicAlbum
  date published: 2014-01-06
album: Девочка в красном (Prod. Mikhail Beast)
  type: MusicAlbum
  date published: 2019-04-23
album: Червовая дама
  type: MusicAlbum
  date published: 2019-06-14
album: Сердце умеет ждать (prod. by Fado)
  type: MusicAlbum
  date published: 2020-01-22
album: Белые цветы
  type: MusicAlbum
  date published: 2020-03-27
album: Океаны снов
  type: MusicAlbum
  date published: 2020-06-25
album: Нирвана
  type: MusicAlbum
  date published: 2020-08-30
album: Малая
  type: MusicAlbum
  date published: 2020-10-30
album: Нирвана
  type: MusicAlbum
  date published: 2021-03-17
album: Океаны снов
  type: MusicAlbum
  date published: 2021-04-12
album: Холодная луна
  type: MusicAlbum
  date published: 2021-05-18
album: Море
  type: MusicAlbum
  date published: 2021-06-07
album: Пьяная
  type: MusicAlbum
  date published: 2021-08-20
album: Саранск
  type: MusicAlbum
  date published: 2021-08-25
album: Дождись
  type: MusicAlbum
  date published: 2021-11-10
album: Фонари
  type: MusicAlbum
  date published: 2022-02-17
album: Нотами о любви
  type: MusicAlbum
  date published: 2022-05-04
album: Надежда, вера и любовь
  type: MusicAlbum
  date published: 2022-06-20
album: Дай мне найти тебя
  type: MusicAlbum
  date published: 2022-07-08
album: Мордовия цветущая
  type: MusicAlbum
  date published: 2022-08-12
album: Дежавю
  type: MusicAlbum
  date published: 2023-02-24
album: Два океана
  type: MusicAlbum
  date published: 2023-03-28
album: Два океана
  type: MusicAlbum
  date published: 2023-03-28
album: Песни от всей души
  type: MusicAlbum
  date published: 2023-06-04
album: Для тебя
  type: MusicAlbum
  date published: 2023-10-20
  track: Хмельной
    type: MusicRecording
    duration: PT3M28S
    duration ms: 208535
    explicit: false
    by artist: Александр Сергеев
    in album: Для тебя
      type: MusicAlbum
      date published: 2023-10-20
    isrc code: TCAHM2322021
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
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    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958673
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAHM2322021
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T05:38:28Z
    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 0x720c32a1320d8dfe04fd29e0bffe1fe765bd9d27f1d190f47b93f2092b6819a4. Chain 2 (Bitcoin): anchored in block 958673 (2026-07-19T05:38:28Z), 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/TCAHM2322021.
      date published: 2026-07-19T05:38:28Z
    audio: Хмельной
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 126.972
      additional property: Musical Key
        type: PropertyValue
        value: 1
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.67
      additional property: Energy
        type: PropertyValue
        value: 0.909
      additional property: Speechiness
        type: PropertyValue
        value: 0.034
      additional property: Acousticness
        type: PropertyValue
        value: 0.076
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.126
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.678
      additional property: Loudness (dB)
        type: PropertyValue
        value: -5.916
      additional property: Key Name
        type: PropertyValue
        value: C#
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Маяк
  type: MusicAlbum
  date published: 2023-11-03
album: Обезаружена
album: Горим
album: По барабану
album: Из запоя
album: Где же ты моя любовь

Обезаружена
type: MusicAlbum
date published: 2024-02-15

Горим
type: MusicAlbum
date published: 2024-04-19

По барабану
type: MusicAlbum
date published: 2024-06-01

Из запоя
type: MusicAlbum
date published: 2024-06-25

Где же ты моя любовь
type: MusicAlbum
date published: 2024-11-01