Vanya Shtereva
type: MusicGroup
description: thumb|Vanya Shtereva at the BG Site awards ceremony, November 2010 Vanya Shtereva () is a popular Bulgarian singer and writer. She's known for her eccentric attitude and image. She has written songs
popularity: 6
followers: 141
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbf991dbd48ba68e2a42aacd5c3662fe6beb4801e5c8d59ded74725094c78bbdf
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954043
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954043
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3fc32307-3f66-4455-9d5c-18c40237d812.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3fc32307-3f66-4455-9d5c-18c40237d812.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/3fc32307-3f66-4455-9d5c-18c40237d812
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T04:15:20Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf991dbd48ba68e2a42aacd5c3662fe6beb4801e5c8d59ded74725094c78bbdf. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3fc32307-3f66-4455-9d5c-18c40237d812.json and https://artists.proofprofile.net/proofs/artist/3fc32307-3f66-4455-9d5c-18c40237d812.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:10:43Z
  text: {"copyright_id":"0xbf991dbd48ba68e2a42aacd5c3662fe6beb4801e5c8d59ded74725094c78bbdf","name":"Vanya Shtereva","registered_at":"2026-06-16T11:46:54Z","symbol":"NIM1042159","token_address":"0x2a9d576435a01a846376fe75e0576f412e3d67b9","type":"artist","uuid":"3fc32307-3f66-4455-9d5c-18c40237d812"}
album: RESTART
  type: MusicAlbum
  date published: 2023-04-20
album: ТРЪГВАЙ
  type: MusicAlbum
  date published: 2023-09-04
album: НЕ ТИ ОТИВА
  type: MusicAlbum
  date published: 2024-03-08
album: БЛАГОДАРЯ
  type: MusicAlbum
  date published: 2024-06-07
album: ПАК ЩЕ СЕ ВЛЮБИШ
  type: MusicAlbum
  date published: 2025-02-17
  track: ПАК ЩЕ СЕ ВЛЮБИШ
    type: MusicRecording
    duration: PT3M6S
    duration ms: 186047
    explicit: false
    by artist: Vanya Shtereva
    in album: ПАК ЩЕ СЕ ВЛЮБИШ
      type: MusicAlbum
      date published: 2025-02-17
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    additional property: OTSBitcoinBlock
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    additional property: OTSBitcoinBlockVerifyURL
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      value: https://blockstream.info/api/block-height/958783
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR2X42565779
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T23:59:29Z
    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 0xa84383491758d84d72e917b3233c97cd0df8d036f2b4dbed73a8a8de3d1d0f5b. Chain 2 (Bitcoin): anchored in block 958783 (2026-07-19T23:59:29Z), 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/FR2X42565779.
      date published: 2026-07-19T23:59:29Z
    audio: ПАК ЩЕ СЕ ВЛЮБИШ
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 159.924
      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: 0.684
      additional property: Energy
        type: PropertyValue
        value: 0.737
      additional property: Speechiness
        type: PropertyValue
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      additional property: Acousticness
        type: PropertyValue
        value: 0.005
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.194
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.22
      additional property: Loudness (dB)
        type: PropertyValue
        value: -8.164
      additional property: Key Name
        type: PropertyValue
        value: F#
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: 6 БЕЗ 10
  type: MusicAlbum
  date published: 2025-09-18