Alka Vuica
type: MusicGroup
description: Alka Vuica (; born 8 June 1961) is a Croatian singer, lyricist and television presenter. Vuica is most notable for her 1980s and early 1990s songwriting work for popular Yugoslav musical acts such as
popularity: 25
followers: 10069
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7692670cd0e261ae0b5d35d4a1ab1ba005d4c298d336a4fbd462df740ca3d42. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/57d57c9b-95da-420d-9981-5e6389f6a9a0.json and https://artists.proofprofile.net/proofs/artist/57d57c9b-95da-420d-9981-5e6389f6a9a0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:28:13Z
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album: Za Tebe Čuvam Sebe
  type: MusicAlbum
  date published: 1995-01-01
album: The Best Of Alka
  type: MusicAlbum
  date published: 1996-01-01
album: The Best Of Alka
  type: MusicAlbum
  date published: 1996-01-01
album: The Best Of Alka
  type: MusicAlbum
  date published: 1996-01-01
album: Alkatraz
  type: MusicAlbum
  date published: 1997-01-01
album: Balkan Girl
  type: MusicAlbum
  date published: 1999-01-01
album: Balkan Girl
  type: MusicAlbum
  date published: 1999-01-01
album: Balkan Girl
  type: MusicAlbum
  date published: 1999-01-01
  track: Nek
    type: MusicRecording
    duration: PT3M59S
    duration ms: 239293
    explicit: false
    by artist: Alka Vuica
    in album: Balkan Girl
      type: MusicAlbum
      date published: 1999-01-01
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    additional property: OTSTimestamp
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    additional property: OTSVerifyInstructions
      type: PropertyValue
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    subject of: OpenTimestamps Proof of Existence
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fb935f6169fe48bbc2d4ad636281184081b77585ac039b4091ca427f1bbe3a6. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/HRA049939772.
      date published: 2026-07-03T08:56:35Z
    audio: Nek
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      additional property: Time Signature
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      additional property: Danceability
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      additional property: Speechiness
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      additional property: Liveness
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      additional property: Valence (Positivity)
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      additional property: Loudness (dB)
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album: Profesionalka
  type: MusicAlbum
  date published: 2001-01-01
album: Balkan girl
  type: MusicAlbum
  date published: 2003-01-01
album: Profesionalka
  type: MusicAlbum
  date published: 2005
album: Balkan Girl
  type: MusicAlbum
  date published: 2011-12-19
album: Balkan Girl
  type: MusicAlbum
  date published: 2011-12-19
album: The Best Of Alka
  type: MusicAlbum
  date published: 2011-12-29
album: The Best Of Alka
  type: MusicAlbum
  date published: 2011-12-29
album: Najljepše Ljubavne Pjesme
  type: MusicAlbum
  date published: 2012-01-01
album: Cirkus
  type: MusicAlbum
  date published: 2012-02-01
album: Cirkus
  type: MusicAlbum
  date published: 2012-02-01
album: Najljepše Ljubavne Pjesme
  type: MusicAlbum
  date published: 2012-02-06
album: Najljepše Ljubavne Pjesme
  type: MusicAlbum
  date published: 2012-02-06
  track: Ej, Šta Mi Radiš
    type: MusicRecording
    duration: PT4M4S
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    explicit: false
    by artist: Alka Vuica
    in album: Najljepše Ljubavne Pjesme
      type: MusicAlbum
      date published: 2012-02-06
    isrc code: HRA049532808
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    additional property: OTSVerifyInstructions
    subject of: OpenTimestamps Proof of Existence
    audio: Ej, Šta Mi Radiš
album: Professionalka
album: Alkina kafana
album: Croatian summer by Alka
album: Istanbul
album: Božić Je...
album: Depresija
album: Luđakinja
album: Palmižana
album: Pola Na Pola
album: Presidente
album: Vodi Me Odavde
album: Vrijeme Za Nas
album: Svadba Bez Kumova
album: Daj da se opet nađemo
album: Na Balkanu uvijek isto je
album: Ljubavnik

Svadba bez kumova
type: MusicRecording
duration: PT3M26S
duration ms: 206813
explicit: false
by artist: Alka Vuica
in album: Ljubavnik
  type: MusicAlbum
  date published: 2025-06-08
isrc code: HRA042400561
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08+00:00
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
additional property: ProofProfileEvidenceStatus
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  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd1a59f29c88437350faadd085e13c8a82c4574b4c152fc12e4f0966f0c438cc. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/HRA042400561.
  date published: 2026-07-05T01:43:49Z
audio: Svadba bez kumova
  type: AudioObject
  additional property: Tempo (BPM)
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    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
    value: 0.686
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
    value: 0.105
  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
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OTSHash
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OTSBitcoinBlock
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value: 958202

OTSBitcoinBlockVerifyURL
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value: https://blockstream.info/api/block-height/958202

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HRA049532808

OTSTimestamp
type: PropertyValue
value: 2026-07-16T00:17:40Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3601920ba0a635758cc29410dfada9631b80ce83f93561a3f44cbcab123cdea0. Chain 2 (Bitcoin): anchored in block 958202 (2026-07-16T00:17:40Z), 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/HRA049532808.
date published: 2026-07-16T00:17:40Z

Ej, Šta Mi Radiš
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 122.136
additional property: Musical Key
  type: PropertyValue
  value: 7
additional property: Mode (Major/Minor)
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  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.717
additional property: Energy
  type: PropertyValue
  value: 0.843
additional property: Speechiness
  type: PropertyValue
  value: 0.044
additional property: Acousticness
  type: PropertyValue
  value: 0.052
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.107
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.796
additional property: Loudness (dB)
  type: PropertyValue
  value: -12.684
additional property: Key Name
  type: PropertyValue
  value: G
additional property: Mode Name
  type: PropertyValue
  value: Major

Alkatraz
type: MusicAlbum
date published: 2012-05-02

Professionalka
type: MusicAlbum
date published: 2012-05-02

Alkatraz
type: MusicAlbum
date published: 2012-05-02

Za Tebe Čuvam Sebe
type: MusicAlbum
date published: 2012-05-02

Alkina kafana
type: MusicAlbum
date published: 2014-01-16

Croatian summer by Alka
type: MusicAlbum
date published: 2016-07-14

Istanbul
type: MusicAlbum
date published: 2017-08-12

Božić Je...
type: MusicAlbum
date published: 2018-12-24

Depresija
type: MusicAlbum
date published: 2020-05-29

Luđakinja
type: MusicAlbum
date published: 2021-06-02

Palmižana
type: MusicAlbum
date published: 2021-07-21

Pola Na Pola
type: MusicAlbum
date published: 2022-08-03

Presidente
type: MusicAlbum
date published: 2023-05-11

Vodi Me Odavde
type: MusicAlbum
date published: 2024-01-12

Vrijeme Za Nas
type: MusicAlbum
date published: 2024-02-14

Svadba Bez Kumova
type: MusicAlbum
date published: 2024-05-07

Daj da se opet nađemo
type: MusicAlbum
date published: 2025-03-20
track: Daj da se opet nađemo
  type: MusicRecording
  duration: PT3M38S
  duration ms: 218314
  explicit: false
  by artist: Alka Vuica
  in album: Daj da se opet nađemo
    type: MusicAlbum
    date published: 2025-03-20
  isrc code: HRAA42500081
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  additional property: CopyrightStatus
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  additional property: CopyrightRegisteredAt
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-21T04:04:18Z
  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 0xb68223ec599eda5cd8b2b60b79d79dfd2d275b1be84746a6b61e211aff867357. Chain 2 (Bitcoin): anchored in block 958951 (2026-07-21T04:04:18Z), 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/HRAA42500081.
    date published: 2026-07-21T04:04:18Z
  audio: Daj da se opet nađemo
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    additional property: Time Signature
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    additional property: Danceability
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      value: 0.718
    additional property: Energy
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
      value: 0.365
    additional property: Instrumentalness
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    additional property: Liveness
      type: PropertyValue
      value: 0.306
    additional property: Valence (Positivity)
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    additional property: Key Name
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    additional property: Mode Name
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Na Balkanu uvijek isto je
type: MusicAlbum
date published: 2025-05-14
track: Na Balkanu uvijek isto je
  type: MusicRecording
  duration: PT3M10S
  duration ms: 190588
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  by artist: Alka Vuica
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    type: MusicAlbum
    date published: 2025-05-14
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  additional property: OTSTimestamp
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  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 0x64c0ae205301933dfb844b235b6e677e508a91c6c170086d7482d334a260b6c0. Chain 2 (Bitcoin): anchored in block 958373 (2026-07-17T08:58:07Z), 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/HRA042500733.
    date published: 2026-07-17T08:58:07Z
  audio: Na Balkanu uvijek isto je
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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Ljubavnik
type: MusicAlbum
date published: 2025-06-08
track: Na Balkanu uvijek isto je
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  by artist: Alka Vuica
  in album: Ljubavnik
    type: MusicAlbum
    date published: 2025-06-08
  isrc code: HRA042500733
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x64c0ae205301933dfb844b235b6e677e508a91c6c170086d7482d334a260b6c0
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958601
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958601
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HRA042500733
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T19:27:02Z
  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 0x64c0ae205301933dfb844b235b6e677e508a91c6c170086d7482d334a260b6c0. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/HRA042500733.
    date published: 2026-07-18T19:27:02Z
  audio: Na Balkanu uvijek isto je
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 101.988
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.679
    additional property: Energy
      type: PropertyValue
      value: 0.775
    additional property: Speechiness
      type: PropertyValue
      value: 0.084
    additional property: Acousticness
      type: PropertyValue
      value: 0.102
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.089
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.561
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.676
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Svadba bez kumova
track: Presidente
  type: MusicRecording
  duration: PT3M11S
  duration ms: 191215
  explicit: false
  by artist: Alka Vuica
  in album: Ljubavnik
    type: MusicAlbum
    date published: 2025-06-08
  isrc code: HRA042301137
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T07:59:45+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x37b031a6c91865845a381b40c985979e84a26d5a1f587a5fa7b756819db9789d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956634
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956634
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HRA042301137
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-04T10:04:33Z
  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 0x37b031a6c91865845a381b40c985979e84a26d5a1f587a5fa7b756819db9789d. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/HRA042301137.
    date published: 2026-07-04T10:04:33Z
  audio: Presidente
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 179.972
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.654
    additional property: Energy
      type: PropertyValue
      value: 0.854
    additional property: Speechiness
      type: PropertyValue
      value: 0.086
    additional property: Acousticness
      type: PropertyValue
      value: 0.068
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.21
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.747
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.662
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Kako da se promijenim
  type: MusicRecording
  duration: PT2M48S
  duration ms: 168436
  explicit: false
  by artist: Alka Vuica
  in album: Ljubavnik
    type: MusicAlbum
    date published: 2025-06-08
  isrc code: HRA042500842
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T02:19:18+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb3c0410692936011ad1db6c69c2d1e8c038b1af30fe8efd74ccd0685a2d2ac29
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956772
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956772
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HRA042500842
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Kako da se promijenim
track: Oprosti mi

OTSTimestamp
type: PropertyValue
value: 2026-07-05T10:01:46Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3c0410692936011ad1db6c69c2d1e8c038b1af30fe8efd74ccd0685a2d2ac29. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/HRA042500842.
date published: 2026-07-05T10:01:46Z

Kako da se promijenim
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 180.078
additional property: Musical Key
  type: PropertyValue
  value: 4
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.736
additional property: Energy
  type: PropertyValue
  value: 0.845
additional property: Speechiness
  type: PropertyValue
  value: 0.363
additional property: Acousticness
  type: PropertyValue
  value: 0.474
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.31
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.61
additional property: Loudness (dB)
  type: PropertyValue
  value: -4.573
additional property: Key Name
  type: PropertyValue
  value: E
additional property: Mode Name
  type: PropertyValue
  value: Minor

Oprosti mi
type: MusicRecording
duration: PT3M10S
duration ms: 190000
explicit: false
by artist: Alka Vuica
in album: Ljubavnik
  type: MusicAlbum
  date published: 2025-06-08
isrc code: HRA042500819
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-16T21:56:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8d2d89734c07f0e012e95d5a3789575232383ac4d5488bec5447580c8be8f024
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958335
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958335
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HRA042500819
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T00:58:42Z
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 0x8d2d89734c07f0e012e95d5a3789575232383ac4d5488bec5447580c8be8f024. Chain 2 (Bitcoin): anchored in block 958335 (2026-07-17T00:58:42Z), 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/HRA042500819.
  date published: 2026-07-17T00:58:42Z
audio: Oprosti mi
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 120.001
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.668
  additional property: Energy
    type: PropertyValue
    value: 0.585
  additional property: Speechiness
    type: PropertyValue
    value: 0.034
  additional property: Acousticness
    type: PropertyValue
    value: 0.031
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.318
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.463
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.424
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor