Gustafi
type: MusicGroup
description: Gustafi are a Croatian folk rock band formed in Vodnjan, a small town in Istria, in 1980. The band was founded by Edi Maružin, Vlado Maružin, Čedomir Mošnja, Igor Arih and Livio Morosin and was origin
popularity: 20
followers: 5554
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4ebaa060174deca0aed1d8e4efb114e000709bf4f05b69fb5311b979a774ea8e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953807
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953807
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/efa639f2-056d-4c2a-a143-079c372c98ae.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/efa639f2-056d-4c2a-a143-079c372c98ae.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/efa639f2-056d-4c2a-a143-079c372c98ae
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T16:39:18Z
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 0x4ebaa060174deca0aed1d8e4efb114e000709bf4f05b69fb5311b979a774ea8e. Chain 2 (Bitcoin): anchored in block 953807 (2026-06-15T16:39:18Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/efa639f2-056d-4c2a-a143-079c372c98ae.json and https://artists.proofprofile.net/proofs/artist/efa639f2-056d-4c2a-a143-079c372c98ae.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T16:39:18Z
album: Vraćamo Se Odmah
  type: MusicAlbum
  date published: 1999-01-01
album: Vraćamo Se Odmah
  type: MusicAlbum
  date published: 1999-01-01
  track: Ća Bin Da
    type: MusicRecording
    duration: PT3M26S
    duration ms: 206026
    explicit: false
    by artist: Gustafi
    in album: Vraćamo Se Odmah
      type: MusicAlbum
      date published: 1999-01-01
    isrc code: HRA119902108
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-15T21:33:40+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x7dc62140448eccc3345124dc960d62bcc1fe90da570368cd56fe7ff863831977
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958208
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958208
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HRA119902108
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-15T22:40:25Z
    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 0x7dc62140448eccc3345124dc960d62bcc1fe90da570368cd56fe7ff863831977. Chain 2 (Bitcoin): anchored in block 958208 (2026-07-15T22:40:25Z), 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/HRA119902108.
      date published: 2026-07-15T22:40:25Z
    audio: Ća Bin Da
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 135.04
      additional property: Musical Key
        type: PropertyValue
        value: 4
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.788
      additional property: Energy
        type: PropertyValue
        value: 0.817
      additional property: Speechiness
        type: PropertyValue
        value: 0.039
      additional property: Acousticness
        type: PropertyValue
        value: 0.317
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.054
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.972
      additional property: Loudness (dB)
        type: PropertyValue
        value: -4.387
      additional property: Key Name
        type: PropertyValue
        value: E
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Na Minimumu
  type: MusicAlbum
  date published: 2002-01-01
  track: Tebe San Ja
    type: MusicRecording
    duration: PT3M46S
    duration ms: 226533
    explicit: false
    by artist: Gustafi
    in album: Na Minimumu
      type: MusicAlbum
      date published: 2002-01-01
    isrc code: HRA110205001
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-18T09:46:10+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xe4a567d73695036646b9748520e1c09b5dcfe29581284f5deebc2dc6b8a59e29
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958538
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958538
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HRA110205001
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T10:30:13Z
    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 0xe4a567d73695036646b9748520e1c09b5dcfe29581284f5deebc2dc6b8a59e29. Chain 2 (Bitcoin): anchored in block 958538 (2026-07-18T10:30:13Z), 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/HRA110205001.
      date published: 2026-07-18T10:30:13Z
    audio: Tebe San Ja
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 149.831
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.727
      additional property: Energy
        type: PropertyValue
        value: 0.889
      additional property: Speechiness
        type: PropertyValue
        value: 0.085
      additional property: Acousticness
        type: PropertyValue
        value: 0.014
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.002
      additional property: Liveness
        type: PropertyValue
        value: 0.281
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
  track: Bira Bira Bira
album: The Gust Of
album: Tampon Vol. 1
album: F.F.
album: F. F.
album: Chupacabra
album: Kanibalkanska
album: Hiti Se Na Mene
album: Maneštra, Vol. 1
album: Za Ljubav Se Ne Moli
album: Maneštra
album: Manestra
track: Črna Zvizda
track: Karoca

Valence (Positivity)
type: PropertyValue
value: 0.865

Loudness (dB)
type: PropertyValue
value: -7.565

Key Name
type: PropertyValue
value: A

Mode Name
type: PropertyValue
value: Major

Bira Bira Bira
type: MusicRecording
duration: PT2M29S
duration ms: 149840
explicit: false
by artist: Gustafi
in album: Na Minimumu
  type: MusicAlbum
  date published: 2002-01-01
isrc code: HRA110205004
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T19:15:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf0cc1f22e293b4a36a41668cdc84700e28e8e22d0941152b351cb7a5361057af
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956826
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956826
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HRA110205004
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T19:27:56Z
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 0xf0cc1f22e293b4a36a41668cdc84700e28e8e22d0941152b351cb7a5361057af. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/HRA110205004.
  date published: 2026-07-05T19:27:56Z
audio: Bira Bira Bira
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 138.088
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.71
  additional property: Energy
    type: PropertyValue
    value: 0.721
  additional property: Speechiness
    type: PropertyValue
    value: 0.104
  additional property: Acousticness
    type: PropertyValue
    value: 0.025
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.295
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.724
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.84
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Na Minimumu
type: MusicAlbum
date published: 2002-01-01

The Gust Of
type: MusicAlbum
date published: 2004-01-01

The Gust Of
type: MusicAlbum
date published: 2004-01-01

Tampon Vol. 1
type: MusicAlbum
date published: 2005-01-01
track: Ja Nisan Stija Mala
  type: MusicRecording
  duration: PT2M36S
  duration ms: 156226
  explicit: false
  by artist: Gustafi
  in album: Tampon Vol. 1
    type: MusicAlbum
    date published: 2005-01-01
  isrc code: HRA110510704
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T06:45:20+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x94abba7b4862124dd1d78ae915f6d90afdba1427d7abbf21866263bcbd8f2639
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958388
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958388
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HRA110510704
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T09:14:21Z
  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 0x94abba7b4862124dd1d78ae915f6d90afdba1427d7abbf21866263bcbd8f2639. Chain 2 (Bitcoin): anchored in block 958388 (2026-07-17T09:14:21Z), 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/HRA110510704.
    date published: 2026-07-17T09:14:21Z
  audio: Ja Nisan Stija Mala
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 130.237
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.705
    additional property: Energy
      type: PropertyValue
      value: 0.862
    additional property: Speechiness
      type: PropertyValue
      value: 0.032
    additional property: Acousticness
      type: PropertyValue
      value: 0.064
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.027
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.987
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.549
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Major

F.F.
type: MusicAlbum
date published: 2006-01-01

F.F.
type: MusicAlbum
date published: 2006-01-01
track: Katarina (feat. Los Caballeros)
  type: MusicRecording
  duration: PT3M24S
  duration ms: 204053
  explicit: false
  by artist: Gustafi
  in album: F.F.
    type: MusicAlbum
    date published: 2006-01-01
  isrc code: HRA110612603
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-13T18:31:20+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9d5196a2085e0e6cbe4303381ebf3d242adb8c5cccd2bf37e5716f734f755625
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957898
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957898
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HRA110612603
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-13T19:28:48Z
  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 0x9d5196a2085e0e6cbe4303381ebf3d242adb8c5cccd2bf37e5716f734f755625. Chain 2 (Bitcoin): anchored in block 957898 (2026-07-13T19:28:48Z), 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/HRA110612603.
    date published: 2026-07-13T19:28:48Z
  audio: Katarina (feat. Los Caballeros)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 151.991
    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: 0.654
    additional property: Energy
      type: PropertyValue
      value: 0.817
    additional property: Speechiness
      type: PropertyValue
      value: 0.041
    additional property: Acousticness
      type: PropertyValue
      value: 0.13
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.058
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.927
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.352
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major

F. F.
type: MusicAlbum
date published: 2008-12-01

Chupacabra
type: MusicAlbum
date published: 2009-06-01

Chupacabra
type: MusicAlbum
date published: 2009-11-01

Na Minimumu
type: MusicAlbum
date published: 2010-05-26

Kanibalkanska
type: MusicAlbum
date published: 2014-04-11

Hiti Se Na Mene
type: MusicAlbum
date published: 2015-03-31

Maneštra, Vol. 1
type: MusicAlbum
date published: 2015-06-16

Za Ljubav Se Ne Moli
type: MusicAlbum
date published: 2015-10-14

Maneštra
type: MusicAlbum
date published: 2015-12-15

Manestra
type: MusicAlbum
date published: 2016-01-12

Črna Zvizda
type: MusicRecording
duration: PT3M18S
duration ms: 198360
explicit: false
by artist: Gustafi
in album: Za Dobra Stara Vremena
  type: MusicAlbum
  date published: 2012-11-30
popularity: 19
isrc code: HRA040640431
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T12:22:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x521f52b5b9899b643bb9a2bd9a3a490ae76ea311150bb204f538e9eb1a0642e7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HRA040640431
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
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 0x521f52b5b9899b643bb9a2bd9a3a490ae76ea311150bb204f538e9eb1a0642e7. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/HRA040640431.
  date published: 2026-07-02T03:30:09Z
audio: Črna Zvizda
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 135.04
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Karoca
type: MusicRecording
duration: PT3M17S
duration ms: 197426
explicit: false
by artist: Gustafi
in album: Runjićeve Večeri 2006 (Ća Je Život Vengo Fantažija)
  type: MusicAlbum
  date published: 2007-04-29
isrc code: HRA100702066
additional property: CopyrightID
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additional property: OTSBitcoinBlockVerifyURL
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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. 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 0x66820c10a28436451f0b45b3dae18ab8a56551e770ed9535b8105659f7a0d15e. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/HRA100702066.
  date published: 2026-07-08T03:20:19Z
audio: Karoca
  type: AudioObject
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  additional property: Acousticness
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  additional property: Instrumentalness
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