ESKIN
type: MusicGroup
description: Eskin is a surname. Notable people with the surname include: Alex Eskin (born 1965), American mathematician Arnold Eskin (1940–2019), chronobiologist Avigdor Eskin (born 1960), Russian-Israeli jou
popularity: 7
followers: 1071
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9a9384fc06faf9bbdd93df6fa0d825120cc2c17ca9c70ea4bd04baf2bcb0d924
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954717
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954717
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f6ee9f1b-efa6-4887-82da-d0602651891e.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f6ee9f1b-efa6-4887-82da-d0602651891e.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/f6ee9f1b-efa6-4887-82da-d0602651891e
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T15:47:51Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a9384fc06faf9bbdd93df6fa0d825120cc2c17ca9c70ea4bd04baf2bcb0d924. Chain 2 (Bitcoin): anchored in block 954717 (2026-06-21T15:47:51Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f6ee9f1b-efa6-4887-82da-d0602651891e.json and https://artists.proofprofile.net/proofs/artist/f6ee9f1b-efa6-4887-82da-d0602651891e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T15:47:51Z
album: Небо на молнии
  type: MusicAlbum
  date published: 2018-08-25
album: Целовать
  type: MusicAlbum
  date published: 2019-05-06
album: Японский флажок
  type: MusicAlbum
  date published: 2019-08-13
album: Японский флажок
  type: MusicAlbum
  date published: 2019-08-13
  track: Японский флажок
    type: MusicRecording
    duration: PT4M15S
    duration ms: 255823
    explicit: true
    by artist: ESKIN
    in album: Японский флажок
      type: MusicAlbum
      date published: 2019-08-13
    isrc code: RUA011900392
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-19T22:47:45+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xeb7c5c480822fe41771b23e9eaf408c453e37511f7a8ea320d46454fbc598b0a
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958793
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958793
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/RUA011900392
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T01:50:33Z
    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 0xeb7c5c480822fe41771b23e9eaf408c453e37511f7a8ea320d46454fbc598b0a. Chain 2 (Bitcoin): anchored in block 958793 (2026-07-20T01:50:33Z), 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/RUA011900392.
      date published: 2026-07-20T01:50:33Z
    audio: Японский флажок
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 124.048
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.797
      additional property: Energy
        type: PropertyValue
        value: 0.575
      additional property: Speechiness
        type: PropertyValue
        value: 0.148
      additional property: Acousticness
        type: PropertyValue
        value: 0.579
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.084
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.465
      additional property: Loudness (dB)
        type: PropertyValue
        value: -5.977
      additional property: Key Name
        type: PropertyValue
        value: A
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Ювелир
  type: MusicAlbum
  date published: 2019-11-15
album: Японский флажок
  type: MusicAlbum
  date published: 2020-01-31
album: Грустно на тусовке
  type: MusicAlbum
  date published: 2020-03-20
album: Лента
  type: MusicAlbum
  date published: 2020-04-03
album: Колесо прозрения
  type: MusicAlbum
  date published: 2020-06-19
album: Если бы
  type: MusicAlbum
  date published: 2020-09-18
album: Незаконно
  type: MusicAlbum
  date published: 2020-10-09
album: Антоновка
  type: MusicAlbum
  date published: 2020-10-23
album: Шампанское
  type: MusicAlbum
  date published: 2020-11-06
album: НЕБО И ЗМЕЯ
  type: MusicAlbum
  date published: 2020-11-13
album: 2
  type: MusicAlbum
  date published: 2021-02-12
album: По дворам
  type: MusicAlbum
  date published: 2021-06-25
album: По дворам
  type: MusicAlbum
  date published: 2021-06-25
album: Смерти цветы не нужны
  type: MusicAlbum
  date published: 2021-07-09
album: Криминал
  type: MusicAlbum
  date published: 2021-10-15
album: Город большой
  type: MusicAlbum
  date published: 2021-10-29
album: Не нужен
  type: MusicAlbum
  date published: 2022-07-27
album: Игла
  type: MusicAlbum
  date published: 2022-08-17
album: Вишнёвый сок
  type: MusicAlbum
  date published: 2022-10-12
album: Вишнёвый сок
  type: MusicAlbum
  date published: 2022-10-12
album: Нефть
  type: MusicAlbum
  date published: 2022-11-09
album: Ноль – один
  type: MusicAlbum
  date published: 2022-12-21
album: Ноль – один
  type: MusicAlbum
  date published: 2022-12-21
album: Не сдавайся
album: MMC
album: Метрополь

Не сдавайся
type: MusicAlbum
date published: 2023-01-25

Не сдавайся
type: MusicAlbum
date published: 2023-01-25

MMC
type: MusicAlbum
date published: 2023-04-21

MMC
type: MusicAlbum
date published: 2023-04-21

Метрополь
type: MusicAlbum
date published: 2023-09-15

Метрополь
type: MusicAlbum
date published: 2023-09-15