Fleret
type: MusicGroup
genre: folk
popularity: 35
followers: 21873
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc6d2e3b3ba2d786062528df1b3d74227d9121458def656c3d54ce1f8ed5ef757
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/dcf0a79f-e4cc-4b86-9320-05bbd762274e.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/dcf0a79f-e4cc-4b86-9320-05bbd762274e.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/dcf0a79f-e4cc-4b86-9320-05bbd762274e
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6d2e3b3ba2d786062528df1b3d74227d9121458def656c3d54ce1f8ed5ef757. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/dcf0a79f-e4cc-4b86-9320-05bbd762274e.json and https://artists.proofprofile.net/proofs/artist/dcf0a79f-e4cc-4b86-9320-05bbd762274e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
album: Cesty 17
  type: MusicAlbum
  date published: 1990
album: Tož Šťastné A Veselé
  type: MusicAlbum
  date published: 2000-09-10
album: To Najlepší (Live)
  type: MusicAlbum
  date published: 2001-05-26
  track: Na Valašském Bále - Live
    type: MusicRecording
    duration: PT2M46S
    duration ms: 166600
    explicit: false
    by artist: Fleret
    in album: To Najlepší (Live)
      type: MusicAlbum
      date published: 2001-05-26
    genre: folk
    isrc code: CZA650151230
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T22:48:10+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xa8d9f81c67d295d7fa9ebcf606628ae982bd829dc079f168d96d8a260443b51e
    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/CZA650151230
    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 0xa8d9f81c67d295d7fa9ebcf606628ae982bd829dc079f168d96d8a260443b51e. 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/CZA650151230.
      date published: 2026-07-04T10:04:33Z
    audio: Na Valašském Bále - Live
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 76.574
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.549
      additional property: Energy
        type: PropertyValue
        value: 0.727
      additional property: Speechiness
        type: PropertyValue
        value: 0.132
      additional property: Acousticness
        type: PropertyValue
        value: 0.37
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.896
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.514
      additional property: Loudness (dB)
        type: PropertyValue
        value: -9.882
      additional property: Key Name
        type: PropertyValue
        value: A
      additional property: Mode Name
        type: PropertyValue
        value: Minor
  track: Na Královej Holi - Live
    type: MusicRecording
    duration: PT4M12S
    duration ms: 252933
    explicit: false
    by artist: Fleret
    in album: To Najlepší (Live)
      type: MusicAlbum
      date published: 2001-05-26
    genre: folk
    isrc code: CZA650151231
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-16T16:10:20+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xa3dc6938a7b375507fd9189d75428f5481d38df58e234bd3d9b5809e69fc4b23
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958316
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958316
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA650151231
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-16T23:05:00Z
    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 0xa3dc6938a7b375507fd9189d75428f5481d38df58e234bd3d9b5809e69fc4b23. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T23:05:00Z), 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/CZA650151231.
      date published: 2026-07-16T23:05:00Z
    audio: Na Královej Holi - Live
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 148.772
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.311
      additional property: Energy
        type: PropertyValue
        value: 0.557
      additional property: Speechiness
        type: PropertyValue
        value: 0.047
      additional property: Acousticness
        type: PropertyValue
        value: 0.374
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.977
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
  track: Sucho V Hubě - Live
  track: Kurnikšopatožstone - Live
  track: Tanec - Live
  track: Čistá Jak Vizovice - Live
  track: Ukažte Mi Cestu Dom - Live
album: Trnkostroj
album: Pumkanonem
album: Hopa bejbe
album: Všecko bude
album: Zafúkané
album: V podroušeném stavu
album: 40 Lajfka (Live)
track: Bír Bír - Czech Republic

Bír Bír - Czech Republic
type: MusicRecording
duration: PT2M35S
duration ms: 155876
explicit: false
by artist: Korpiklaani
by artist: Fleret
in album: Bír Bír (Czech Republic)
  type: MusicAlbum
  date published: 2019-05-24
genre: power-metal
genre: viking-metal
genre: folk-metal
genre: symphonic-metal
genre: finnish-metal
genre: nordic-folk-metal
isrc code: DED831801733
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T17:38:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa02309a888efc89fe43aafeb3582843f8b9c283a709be67bd7c9f0b7405947d8
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/DED831801733
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09+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
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 956302
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:30:09+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa02309a888efc89fe43aafeb3582843f8b9c283a709be67bd7c9f0b7405947d8. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/DED831801733.
  date published: 2026-07-02T03:55:08Z
audio: Bír Bír - Czech Republic
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 112.901
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.481
  additional property: Energy
    type: PropertyValue
    value: 0.962
  additional property: Speechiness
    type: PropertyValue
    value: 0.078
  additional property: Acousticness
    type: PropertyValue
    value: 0
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.236
  additional property: Liveness
    type: PropertyValue
    value: 0.367
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.723
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.585
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Valence (Positivity)
type: PropertyValue
value: 0.518

Loudness (dB)
type: PropertyValue
value: -10.685

Key Name
type: PropertyValue
value: A

Mode Name
type: PropertyValue
value: Minor

Sucho V Hubě - Live
type: MusicRecording
duration: PT1M53S
duration ms: 113106
explicit: false
by artist: Fleret
in album: To Najlepší (Live)
  type: MusicAlbum
  date published: 2001-05-26
genre: folk
isrc code: CZA650151232
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T08:56:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xaba9e5c673f82c6816fac520ae1ce7093ba8f05e2c5dc6048b310e4fc20427ea
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958444
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958444
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA650151232
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T19:12:23Z
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 0xaba9e5c673f82c6816fac520ae1ce7093ba8f05e2c5dc6048b310e4fc20427ea. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/CZA650151232.
  date published: 2026-07-17T19:12:23Z
audio: Sucho V Hubě - Live
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 168.973
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.294
  additional property: Energy
    type: PropertyValue
    value: 0.395
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.495
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.79
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.56
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.696
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kurnikšopatožstone - Live
type: MusicRecording
duration: PT3M2S
duration ms: 182773
explicit: false
by artist: Fleret
in album: To Najlepší (Live)
  type: MusicAlbum
  date published: 2001-05-26
genre: folk
isrc code: CZA650151233
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T14:28:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xac5a2172ec6ba0c24fc158a51f87a7966dd3ee0c01df0e145133f27ff57bf266
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956545
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956545
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA650151233
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-03T19:59:51Z
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 0xac5a2172ec6ba0c24fc158a51f87a7966dd3ee0c01df0e145133f27ff57bf266. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/CZA650151233.
  date published: 2026-07-03T19:59:51Z
audio: Kurnikšopatožstone - Live
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 131.6
  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: 0.565
  additional property: Energy
    type: PropertyValue
    value: 0.867
  additional property: Speechiness
    type: PropertyValue
    value: 0.091
  additional property: Acousticness
    type: PropertyValue
    value: 0.336
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.559
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.756
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.561
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tanec - Live
type: MusicRecording
duration: PT2M20S
duration ms: 140533
explicit: false
by artist: Fleret
in album: To Najlepší (Live)
  type: MusicAlbum
  date published: 2001-05-26
genre: folk
isrc code: CZA650151240
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T21:05:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x517087282296c299992ead602969dcbc9f94c5966f1bc335a1c4331bc118d527
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956856
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956856
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA650151240
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T01:25:57Z
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 0x517087282296c299992ead602969dcbc9f94c5966f1bc335a1c4331bc118d527. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/CZA650151240.
  date published: 2026-07-06T01:25:57Z
audio: Tanec - Live
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 147.607
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.304
  additional property: Energy
    type: PropertyValue
    value: 0.586
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.741
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.647
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.311
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.381
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Čistá Jak Vizovice - Live
type: MusicRecording
duration: PT4M23S
duration ms: 263053
explicit: false
by artist: Fleret
in album: To Najlepší (Live)
  type: MusicAlbum
  date published: 2001-05-26
genre: folk
isrc code: CZA650151245
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-21T04:59:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x24a20678eae0ec593ba9772480317f3f546442efad76f7ae4c0ca2b82bba26a4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958977
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958977
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA650151245
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-21T06:27:23Z
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 0x24a20678eae0ec593ba9772480317f3f546442efad76f7ae4c0ca2b82bba26a4. Chain 2 (Bitcoin): anchored in block 958977 (2026-07-21T06:27:23Z), 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/CZA650151245.
  date published: 2026-07-21T06:27:23Z
audio: Čistá Jak Vizovice - Live
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 129.957
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.321
  additional property: Energy
    type: PropertyValue
    value: 0.605
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.589
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.538
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.431
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.163
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Ukažte Mi Cestu Dom - Live
type: MusicRecording
duration: PT3M54S
duration ms: 234546
explicit: false
by artist: Fleret
in album: To Najlepší (Live)
  type: MusicAlbum
  date published: 2001-05-26
genre: folk
isrc code: CZA650151248
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-12T02:47:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xadd0aa1f3dac30f47cb4c6383a9f075a9e7955d52082736365014ea8f30ad2a6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957644
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957644
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA650151248
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-12T03:18:52Z
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 0xadd0aa1f3dac30f47cb4c6383a9f075a9e7955d52082736365014ea8f30ad2a6. Chain 2 (Bitcoin): anchored in block 957644 (2026-07-12T03:18:52Z), 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/CZA650151248.
  date published: 2026-07-12T03:18:52Z
audio: Ukažte Mi Cestu Dom - Live
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 120.521
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.359
  additional property: Energy
    type: PropertyValue
    value: 0.656
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.322
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.034
  additional property: Liveness
    type: PropertyValue
    value: 0.96
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.364
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.526
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Trnkostroj
type: MusicAlbum
date published: 2002-12-11
track: Metr Pod Zemi
  type: MusicRecording
  duration: PT2M58S
  duration ms: 178520
  explicit: false
  by artist: Fleret
  in album: Trnkostroj
    type: MusicAlbum
    date published: 2002-12-11
  genre: folk
  isrc code: CZA210203055
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T15:27:39+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6f2d955342a6c3464a3f699c3642142a93d92d96fe7206617821ff755ca0993a
  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/CZA210203055
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f2d955342a6c3464a3f699c3642142a93d92d96fe7206617821ff755ca0993a. 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/CZA210203055.
    date published: 2026-07-05T19:27:56Z
  audio: Metr Pod Zemi
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 131.429
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.524
    additional property: Energy
      type: PropertyValue
      value: 0.864
    additional property: Speechiness
      type: PropertyValue
      value: 0.056
    additional property: Acousticness
      type: PropertyValue
      value: 0.05
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.009
    additional property: Liveness
      type: PropertyValue
      value: 0.098
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.854
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.451
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Ej Trnko, Trnecko
  type: MusicRecording
  duration: PT4M38S
  duration ms: 278226
  explicit: false
  by artist: Fleret
  in album: Trnkostroj
    type: MusicAlbum
    date published: 2002-12-11
  genre: folk
  isrc code: CZA210203059
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T04:09:05+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3ee1141f17a3e81444685afabfb9386f3b346e604f7353d5de676c3d57c19d53
  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/CZA210203059
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T10:01:46Z
  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 0x3ee1141f17a3e81444685afabfb9386f3b346e604f7353d5de676c3d57c19d53. 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/CZA210203059.
    date published: 2026-07-05T10:01:46Z
  audio: Ej Trnko, Trnecko
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 139.244
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.435
    additional property: Energy
      type: PropertyValue
      value: 0.674
    additional property: Speechiness
      type: PropertyValue
      value: 0.042
    additional property: Acousticness
      type: PropertyValue
      value: 0.622
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.443
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.457
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.026
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Pumkanonem
type: MusicAlbum
date published: 2004-06-07

Hopa bejbe
type: MusicAlbum
date published: 2015-06-20
track: Chodníčky
  type: MusicRecording
  duration: PT2M30S
  duration ms: 150586
  explicit: false
  by artist: Fleret
  in album: Hopa bejbe
    type: MusicAlbum
    date published: 2015-06-20
  genre: folk
  isrc code: CZH381501001
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T11:55:41+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xbf267ad1f81661ba8c75edf1ca41307f61c83ec80d71b34cdf177c1cbf5a943a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958547
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958547
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZH381501001
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T12:44:05Z
  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 0xbf267ad1f81661ba8c75edf1ca41307f61c83ec80d71b34cdf177c1cbf5a943a. Chain 2 (Bitcoin): anchored in block 958547 (2026-07-18T12:44:05Z), 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/CZH381501001.
    date published: 2026-07-18T12:44:05Z
  audio: Chodníčky
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 121.57
    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: 0.605
    additional property: Energy
      type: PropertyValue
      value: 0.561
    additional property: Speechiness
      type: PropertyValue
      value: 0.033
    additional property: Acousticness
      type: PropertyValue
      value: 0.016
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.518
    additional property: Liveness
      type: PropertyValue
      value: 0.295
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.625
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.738
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Susede susede
  type: MusicRecording
  duration: PT2M24S
  duration ms: 144826
  explicit: false
  by artist: Fleret
  in album: Hopa bejbe
    type: MusicAlbum
    date published: 2015-06-20
  genre: folk
  isrc code: CZH381501008
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T18:05:55+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xefead857a4f331c54c66b33f82a63a9faee7d5a945d8fc7876f60353b232a0e3
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958444
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958444
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZH381501008
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T19:12:23Z
  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 0xefead857a4f331c54c66b33f82a63a9faee7d5a945d8fc7876f60353b232a0e3. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/CZH381501008.
    date published: 2026-07-17T19:12:23Z
  audio: Susede susede
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 107.472
    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: 0.683
    additional property: Energy
      type: PropertyValue
      value: 0.399
    additional property: Speechiness
      type: PropertyValue
      value: 0.036
    additional property: Acousticness
      type: PropertyValue
      value: 0.799
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.649
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.97
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.944
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Chtěl sem ít dveřima
  type: MusicRecording
  duration: PT2M56S
  duration ms: 176733
  explicit: false
  by artist: Fleret
  in album: Hopa bejbe
    type: MusicAlbum
    date published: 2015-06-20
  genre: folk
  isrc code: CZH381501009
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T00:42:50+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4f9567e105d594a8a143fb51f823aa64e7df1ff74e0ea394d7f623e779cdb746
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956857
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956857
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Chtěl sem ít dveřima

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZH381501009

OTSTimestamp
type: PropertyValue
value: 2026-07-06T01:26:17Z

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 0x4f9567e105d594a8a143fb51f823aa64e7df1ff74e0ea394d7f623e779cdb746. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/CZH381501009.
date published: 2026-07-06T01:26:17Z

Chtěl sem ít dveřima
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 149.363
additional property: Musical Key
  type: PropertyValue
  value: 7
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 3
additional property: Danceability
  type: PropertyValue
  value: 0.516
additional property: Energy
  type: PropertyValue
  value: 0.756
additional property: Speechiness
  type: PropertyValue
  value: 0.03
additional property: Acousticness
  type: PropertyValue
  value: 0.084
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.087
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.895
additional property: Loudness (dB)
  type: PropertyValue
  value: -4.336
additional property: Key Name
  type: PropertyValue
  value: G
additional property: Mode Name
  type: PropertyValue
  value: Major

Všecko bude
type: MusicAlbum
date published: 2017-01-29

Zafúkané
type: MusicAlbum
date published: 2019-08-25
track: Vlezlá píseň
  type: MusicRecording
  duration: PT3M14S
  duration ms: 194933
  explicit: false
  by artist: Fleret
  in album: Zafúkané
    type: MusicAlbum
    date published: 2019-08-25
  genre: folk
  isrc code: CZH381901001
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-15T22:00:31+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xfbd7b388884206366cc6088e74c71135e8b3429554c57d8b491a716bfc4b61ef
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958211
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958211
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZH381901001
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-15T23:24:33Z
  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 0xfbd7b388884206366cc6088e74c71135e8b3429554c57d8b491a716bfc4b61ef. Chain 2 (Bitcoin): anchored in block 958211 (2026-07-15T23:24:33Z), 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/CZH381901001.
    date published: 2026-07-15T23:24:33Z
  audio: Vlezlá píseň
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 172.941
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.406
    additional property: Energy
      type: PropertyValue
      value: 0.335
    additional property: Speechiness
      type: PropertyValue
      value: 0.027
    additional property: Acousticness
      type: PropertyValue
      value: 0.57
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.13
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.345
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.403
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Ševcovská
  type: MusicRecording
  duration: PT2M13S
  duration ms: 133400
  explicit: false
  by artist: Fleret
  in album: Zafúkané
    type: MusicAlbum
    date published: 2019-08-25
  genre: folk
  isrc code: CZH381901006
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-22T05:58:03+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xacce3ece0abe1b413efb223b84a954d4d8a048f6f12b8a8ecb57428a71bb5cf0
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 959105
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/959105
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZH381901006
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-22T08:59:47Z
  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 0xacce3ece0abe1b413efb223b84a954d4d8a048f6f12b8a8ecb57428a71bb5cf0. Chain 2 (Bitcoin): anchored in block 959105 (2026-07-22T08:59:47Z), 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/CZH381901006.
    date published: 2026-07-22T08:59:47Z
  audio: Ševcovská
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 128.042
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.753
    additional property: Energy
      type: PropertyValue
      value: 0.83
    additional property: Speechiness
      type: PropertyValue
      value: 0.033
    additional property: Acousticness
      type: PropertyValue
      value: 0.339
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.071
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.96
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.491
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Svatý za dědinů
  type: MusicRecording
  duration: PT3M19S
  duration ms: 199933
  explicit: false
  by artist: Fleret
  in album: Zafúkané
    type: MusicAlbum
    date published: 2019-08-25
  genre: folk
  isrc code: CZH381901009
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T17:59:57+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x1b706b0ad186023761f9d882883662f488893b6235d56c50ba9890eddfef407f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958444
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958444
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Svatý za dědinů
track: Anděl

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZH381901009

OTSTimestamp
type: PropertyValue
value: 2026-07-17T19:12:23Z

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 0x1b706b0ad186023761f9d882883662f488893b6235d56c50ba9890eddfef407f. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/CZH381901009.
date published: 2026-07-17T19:12:23Z

Svatý za dědinů
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 128.829
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: 0.456
additional property: Energy
  type: PropertyValue
  value: 0.497
additional property: Speechiness
  type: PropertyValue
  value: 0.032
additional property: Acousticness
  type: PropertyValue
  value: 0.447
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.038
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.772
additional property: Loudness (dB)
  type: PropertyValue
  value: -8.512
additional property: Key Name
  type: PropertyValue
  value: B
additional property: Mode Name
  type: PropertyValue
  value: Minor

Anděl
type: MusicRecording
duration: PT3M21S
duration ms: 201226
explicit: false
by artist: Fleret
in album: Zafúkané
  type: MusicAlbum
  date published: 2019-08-25
genre: folk
isrc code: CZH381901010
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-14T20:57:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfbd93f6feca6eef5cb5562ad4abcca8fc91e46ade496261e2f565ec65559a41f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958063
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958063
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZH381901010
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-14T21:07:34Z
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 0xfbd93f6feca6eef5cb5562ad4abcca8fc91e46ade496261e2f565ec65559a41f. Chain 2 (Bitcoin): anchored in block 958063 (2026-07-14T21:07:34Z), 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/CZH381901010.
  date published: 2026-07-14T21:07:34Z
audio: Anděl
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 110.921
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.538
  additional property: Energy
    type: PropertyValue
    value: 0.653
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.171
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.06
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.718
  additional property: Loudness (dB)
    type: PropertyValue
    value: -7.147
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

V podroušeném stavu
type: MusicAlbum
date published: 2020-07-10
track: Něco se mi zdálo
  type: MusicRecording
  duration: PT3M42S
  duration ms: 222253
  explicit: false
  by artist: Fleret
  in album: V podroušeném stavu
    type: MusicAlbum
    date published: 2020-07-10
  genre: folk
  isrc code: CZH382001002
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T08:58:32+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xcc5807c4eca6d3fba4197379a7f83387840e652e6f60d7eaf51d67aa0e09b32a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956639
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956639
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZH382001002
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-04T11:19:20Z
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc5807c4eca6d3fba4197379a7f83387840e652e6f60d7eaf51d67aa0e09b32a. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/CZH382001002.
    date published: 2026-07-04T11:19:20Z
  audio: Něco se mi zdálo
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 116.04
    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: 0.745
    additional property: Energy
      type: PropertyValue
      value: 0.749
    additional property: Speechiness
      type: PropertyValue
      value: 0.028
    additional property: Acousticness
      type: PropertyValue
      value: 0.067
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.032
    additional property: Liveness
      type: PropertyValue
      value: 0.101
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.963
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.471
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Moje celebrity
  type: MusicRecording
  duration: PT4M16S
  duration ms: 256026
  explicit: false
  by artist: Fleret
  in album: V podroušeném stavu
    type: MusicAlbum
    date published: 2020-07-10
  genre: folk
  isrc code: CZH382001004
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-21T04:15:25+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xaa0cfb86c7d11c4277c824446a4243e69d70704a95d503047975dd57ff93cdb8
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958965
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958965
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZH382001004
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-21T04:29:05Z
  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 0xaa0cfb86c7d11c4277c824446a4243e69d70704a95d503047975dd57ff93cdb8. Chain 2 (Bitcoin): anchored in block 958965 (2026-07-21T04:29:05Z), 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/CZH382001004.
    date published: 2026-07-21T04:29:05Z
  audio: Moje celebrity
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 87.958
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.562
    additional property: Energy
      type: PropertyValue
      value: 0.577
    additional property: Speechiness
      type: PropertyValue
      value: 0.03
    additional property: Acousticness
      type: PropertyValue
      value: 0.131
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.104
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.296
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.183
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Beer beer
  type: MusicRecording
  duration: PT2M58S
  duration ms: 178093
  explicit: false
  by artist: Fleret
  in album: V podroušeném stavu
    type: MusicAlbum
    date published: 2020-07-10
  genre: folk
  isrc code: CZH382001007
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T20:34:14+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x897bbab086f819028de7d3ca82ab8c92c4fc8e772e123419fa85b5c7284caa78
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958612
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958612
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Beer beer
track: Na veliké noce
track: Už su tu

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZH382001007

OTSTimestamp
type: PropertyValue
value: 2026-07-18T21:29:37Z

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 0x897bbab086f819028de7d3ca82ab8c92c4fc8e772e123419fa85b5c7284caa78. Chain 2 (Bitcoin): anchored in block 958612 (2026-07-18T21:29:37Z), 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/CZH382001007.
date published: 2026-07-18T21:29:37Z

Beer beer
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 171.942
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: 0.444
additional property: Energy
  type: PropertyValue
  value: 0.977
additional property: Speechiness
  type: PropertyValue
  value: 0.144
additional property: Acousticness
  type: PropertyValue
  value: 0.007
additional property: Instrumentalness
  type: PropertyValue
  value: 0.001
additional property: Liveness
  type: PropertyValue
  value: 0.331
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.218
additional property: Loudness (dB)
  type: PropertyValue
  value: -4.242
additional property: Key Name
  type: PropertyValue
  value: D
additional property: Mode Name
  type: PropertyValue
  value: Major

Na veliké noce
type: MusicRecording
duration: PT2M29S
duration ms: 149773
explicit: false
by artist: Fleret
in album: V podroušeném stavu
  type: MusicAlbum
  date published: 2020-07-10
genre: folk
isrc code: CZH382001008
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T11:10:50+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x79d15befa7aabdca3507e4d62b6b748ded611716ddcf0ea419d613e6bc27d652
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956822
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956822
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZH382001008
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T18:48:28Z
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 0x79d15befa7aabdca3507e4d62b6b748ded611716ddcf0ea419d613e6bc27d652. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/CZH382001008.
  date published: 2026-07-05T18:48:28Z
audio: Na veliké noce
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 76.04
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.603
  additional property: Energy
    type: PropertyValue
    value: 0.561
  additional property: Speechiness
    type: PropertyValue
    value: 0.03
  additional property: Acousticness
    type: PropertyValue
    value: 0.194
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.261
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.655
  additional property: Loudness (dB)
    type: PropertyValue
    value: -6.256
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Už su tu
type: MusicRecording
duration: PT3M6S
duration ms: 186520
explicit: false
by artist: Fleret
in album: V podroušeném stavu
  type: MusicAlbum
  date published: 2020-07-10
genre: folk
isrc code: CZH382001009
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-22T02:52:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x69f2886a61064b64b888bdb99072f87574d26e967c81db941996d860b37dd799
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 959094
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/959094
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZH382001009
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-22T03:33:16Z
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 0x69f2886a61064b64b888bdb99072f87574d26e967c81db941996d860b37dd799. Chain 2 (Bitcoin): anchored in block 959094 (2026-07-22T03:33:16Z), 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/CZH382001009.
  date published: 2026-07-22T03:33:16Z
audio: Už su tu
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 128.727
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.522
  additional property: Energy
    type: PropertyValue
    value: 0.585
  additional property: Speechiness
    type: PropertyValue
    value: 0.134
  additional property: Acousticness
    type: PropertyValue
    value: 0.498
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.075
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.876
  additional property: Loudness (dB)
    type: PropertyValue
    value: -5.163
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

40 Lajfka (Live)
type: MusicAlbum
date published: 2022-11-24
track: Na valašském bále - Live
  type: MusicRecording
  duration: PT3M42S
  duration ms: 222667
  explicit: false
  by artist: Fleret
  in album: 40 Lajfka (Live)
    type: MusicAlbum
    date published: 2022-11-24
  genre: folk
  isrc code: CZH382201001
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-21T06:24:38+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb4c9f3d5622cc9e3d53ea2fe136d6dbe63a746e57ead4b14535a739663e896d9
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958980
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958980
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZH382201001
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-21T07:04:12Z
  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 0xb4c9f3d5622cc9e3d53ea2fe136d6dbe63a746e57ead4b14535a739663e896d9. Chain 2 (Bitcoin): anchored in block 958980 (2026-07-21T07:04:12Z), 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/CZH382201001.
    date published: 2026-07-21T07:04:12Z
  audio: Na valašském bále - Live
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 81.135
    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: 0.385
    additional property: Energy
      type: PropertyValue
      value: 0.715
    additional property: Speechiness
      type: PropertyValue
      value: 0.335
    additional property: Acousticness
      type: PropertyValue
      value: 0.183
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.982
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.643
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.541
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Lélo, lélo - Live
  type: MusicRecording
  duration: PT3M26S
  duration ms: 206001
  explicit: false
  by artist: Fleret
  in album: 40 Lajfka (Live)
    type: MusicAlbum
    date published: 2022-11-24
  genre: folk
  isrc code: CZH382201004
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-20T22:24:04+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xbf1d8a539cac0cd42f9f296b98f6064827b2242f314dbadd1e145c11d71c04c4
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958942
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958942
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZH382201004
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-21T00:24:07Z
  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 0xbf1d8a539cac0cd42f9f296b98f6064827b2242f314dbadd1e145c11d71c04c4. Chain 2 (Bitcoin): anchored in block 958942 (2026-07-21T00:24:07Z), 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/CZH382201004.
    date published: 2026-07-21T00:24:07Z
  audio: Lélo, lélo - Live
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 137.621
    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: 0.616
    additional property: Energy
      type: PropertyValue
      value: 0.734
    additional property: Speechiness
      type: PropertyValue
      value: 0.127
    additional property: Acousticness
      type: PropertyValue
      value: 0.228
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.95
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.819
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.398
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: To sa nerozchodí - Live
  type: MusicRecording
  duration: PT2M15S
  duration ms: 135340
  explicit: false
  by artist: Fleret
  in album: 40 Lajfka (Live)
    type: MusicAlbum
    date published: 2022-11-24
  genre: folk
  isrc code: CZH382201006
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T22:00:45+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe5a3ed48572c8313a9063c9ffb8eb36de5b18d65aad0881774c8fbff11926268
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958792
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958792
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: To sa nerozchodí - Live
track: O krásách Valašska - Live

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZH382201006

OTSTimestamp
type: PropertyValue
value: 2026-07-19T22:55:52Z

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 0xe5a3ed48572c8313a9063c9ffb8eb36de5b18d65aad0881774c8fbff11926268. Chain 2 (Bitcoin): anchored in block 958792 (2026-07-19T22:55:52Z), 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/CZH382201006.
date published: 2026-07-19T22:55:52Z

To sa nerozchodí - Live
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 115.714
additional property: Musical Key
  type: PropertyValue
  value: 7
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.479
additional property: Energy
  type: PropertyValue
  value: 0.579
additional property: Speechiness
  type: PropertyValue
  value: 0.097
additional property: Acousticness
  type: PropertyValue
  value: 0.489
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.449
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.577
additional property: Loudness (dB)
  type: PropertyValue
  value: -8.517
additional property: Key Name
  type: PropertyValue
  value: G
additional property: Mode Name
  type: PropertyValue
  value: Major

O krásách Valašska - Live
type: MusicRecording
duration: PT4M17S
duration ms: 257984
explicit: false
by artist: Fleret
in album: 40 Lajfka (Live)
  type: MusicAlbum
  date published: 2022-11-24
genre: folk
isrc code: CZH382201012
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-14T21:34:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xec9c7ab20a499ef7b7b80be837ac190d694b760846a38a99e40c94194b3a0c59
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958069
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958069
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZH382201012
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-14T21:37:55Z
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 0xec9c7ab20a499ef7b7b80be837ac190d694b760846a38a99e40c94194b3a0c59. Chain 2 (Bitcoin): anchored in block 958069 (2026-07-14T21:37:55Z), 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/CZH382201012.
  date published: 2026-07-14T21:37:55Z
audio: O krásách Valašska - Live
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 130.58
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.535
  additional property: Energy
    type: PropertyValue
    value: 0.708
  additional property: Speechiness
    type: PropertyValue
    value: 0.075
  additional property: Acousticness
    type: PropertyValue
    value: 0.075
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.934
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.594
  additional property: Loudness (dB)
    type: PropertyValue
    value: -7.261
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major