Стефка Берова
type: MusicGroup
popularity: 3
followers: 360
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd93a27b2198461d6158135eddd58b9c267c902bf7b12c06108de5a85f8e38acd
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953982
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953982
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2cce21a4-b4aa-4de8-8b16-d294a4c8e0d3.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2cce21a4-b4aa-4de8-8b16-d294a4c8e0d3.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/2cce21a4-b4aa-4de8-8b16-d294a4c8e0d3
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T17:42:23Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd93a27b2198461d6158135eddd58b9c267c902bf7b12c06108de5a85f8e38acd","name":"Стефка Берова","registered_at":"2026-06-16T05:07:14Z","symbol":"NIM0946744","token_address":"0x7097a8f86b2aaaeda59f7ae51e0382844ce2c241","type":"artist","uuid":"2cce21a4-b4aa-4de8-8b16-d294a4c8e0d3"}
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 0xd93a27b2198461d6158135eddd58b9c267c902bf7b12c06108de5a85f8e38acd. Chain 2 (Bitcoin): anchored in block 953982 (2026-06-16T17:42:23Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2cce21a4-b4aa-4de8-8b16-d294a4c8e0d3.json and https://artists.proofprofile.net/proofs/artist/2cce21a4-b4aa-4de8-8b16-d294a4c8e0d3.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-16T17:42:23Z
  text: {"copyright_id":"0xd93a27b2198461d6158135eddd58b9c267c902bf7b12c06108de5a85f8e38acd","name":"Стефка Берова","registered_at":"2026-06-16T05:07:14Z","symbol":"NIM0946744","token_address":"0x7097a8f86b2aaaeda59f7ae51e0382844ce2c241","type":"artist","uuid":"2cce21a4-b4aa-4de8-8b16-d294a4c8e0d3"}
album: Стефка Берова
  type: MusicAlbum
  date published: 1967-06-19
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  type: MusicAlbum
  date published: 1976-02-12
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  date published: 1977-07-05
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  date published: 1978-01-11
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  date published: 1978-02-08
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  date published: 1978-11-09
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  date published: 1979-09-10
album: Обичам те
  type: MusicAlbum
  date published: 1979-11-06
album: Огънят, в който горим
  type: MusicAlbum
  date published: 1981-01-07
album: Стефка Берова и Йордан Марчинков
  type: MusicAlbum
  date published: 1982-08-04
album: Песен за моя град
  type: MusicAlbum
  date published: 1983-07-23
album: Стефка Берова и Йордан Марчинков
  type: MusicAlbum
  date published: 1984-09-26
album: Сухиндол
  type: MusicAlbum
  date published: 1985-02-08
album: Песен за Дунарит
  type: MusicAlbum
  date published: 1986-07-30
album: Стефка Берова и Йордан Марчинков
  type: MusicAlbum
  date published: 1986-10-30
album: Стефка Берова и Йордан Марчинков
  type: MusicAlbum
  date published: 1989-08-07