Sashka
type: MusicGroup
genre: afro house
genre: organic house
popularity: 14
followers: 110
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x095f472b695f5115202d0e6a1c9442322cb43d3d7751f4db8b48101a0f490ecc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953674
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953674
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/5ebca30e-1b05-4319-87ea-75c67d82434b.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/5ebca30e-1b05-4319-87ea-75c67d82434b.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/5ebca30e-1b05-4319-87ea-75c67d82434b
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T19:07:16Z
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 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 0x095f472b695f5115202d0e6a1c9442322cb43d3d7751f4db8b48101a0f490ecc. Chain 2 (Bitcoin): anchored in block 953674 (2026-06-14T19:07:16Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5ebca30e-1b05-4319-87ea-75c67d82434b.json and https://artists.proofprofile.net/proofs/artist/5ebca30e-1b05-4319-87ea-75c67d82434b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T19:07:16Z
album: I Don't Feel
  type: MusicAlbum
  date published: 2022-09-02
album: Memories
  type: MusicAlbum
  date published: 2024-09-13
  track: Memories - Short Edit
    type: MusicRecording
    duration: PT3M40S
    duration ms: 220000
    explicit: false
    by artist: Sashka
    in album: Memories
      type: MusicAlbum
      date published: 2024-09-13
    genre: afro house
    genre: organic house
    isrc code: CA5KR2492694
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-19T11:05:13+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x9dfdd35ec7eb8803375843bf0cf79351d2ceaacabbb5a261a93b8a66e970b3f1
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958726
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958726
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CA5KR2492694
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T11:47:20Z
    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 0x9dfdd35ec7eb8803375843bf0cf79351d2ceaacabbb5a261a93b8a66e970b3f1. Chain 2 (Bitcoin): anchored in block 958726 (2026-07-19T11:47:20Z), 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/CA5KR2492694.
      date published: 2026-07-19T11:47:20Z
    audio: Memories - Short Edit
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 120.022
      additional property: Musical Key
        type: PropertyValue
        value: 6
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.65
      additional property: Energy
        type: PropertyValue
        value: 0.814
      additional property: Speechiness
        type: PropertyValue
        value: 0.044
      additional property: Acousticness
        type: PropertyValue
        value: 0.012
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.749
      additional property: Liveness
        type: PropertyValue
        value: 0.08
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.14
      additional property: Loudness (dB)
        type: PropertyValue
        value: -9.743
      additional property: Key Name
        type: PropertyValue
        value: F#
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Sweet Body
  type: MusicAlbum
  date published: 2025-09-05