Martynas Kavaliauskas
type: MusicGroup
popularity: 32
followers: 3191
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x12b01166d170d752a240f58c2004a781f36a4a1664734e920047933cbf8a3663
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/c29cd320-cce8-4dd9-bc9f-6393b501f679.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c29cd320-cce8-4dd9-bc9f-6393b501f679.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c29cd320-cce8-4dd9-bc9f-6393b501f679
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x12b01166d170d752a240f58c2004a781f36a4a1664734e920047933cbf8a3663","name":"Martynas Kavaliauskas","registered_at":"2026-06-12T09:06:33Z","symbol":"NIM0251129","token_address":"0x5c97d2101130e4dc07c42161ae68baf781e8c557","type":"artist","uuid":"c29cd320-cce8-4dd9-bc9f-6393b501f679"}
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 0x12b01166d170d752a240f58c2004a781f36a4a1664734e920047933cbf8a3663. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c29cd320-cce8-4dd9-bc9f-6393b501f679.json and https://artists.proofprofile.net/proofs/artist/c29cd320-cce8-4dd9-bc9f-6393b501f679.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T21:20:00Z
  text: {"copyright_id":"0x12b01166d170d752a240f58c2004a781f36a4a1664734e920047933cbf8a3663","name":"Martynas Kavaliauskas","registered_at":"2026-06-12T09:06:33Z","symbol":"NIM0251129","token_address":"0x5c97d2101130e4dc07c42161ae68baf781e8c557","type":"artist","uuid":"c29cd320-cce8-4dd9-bc9f-6393b501f679"}
album: Blaško Vėjai
  type: MusicAlbum
  date published: 2021-04-02
  track: Blaško Vėjai
    type: MusicRecording
    duration: PT3M15S
    duration ms: 195578
    explicit: false
    by artist: Martynas Kavaliauskas
    in album: Blaško Vėjai
      type: MusicAlbum
      date published: 2021-04-02
    isrc code: LTH912100001
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-15T22:37:30+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x72186515c469bb0ca2acf2165fad97bbb8b1c4a4f2e25cd2d5ff3c076460f5ec
    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/LTH912100001
    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 0x72186515c469bb0ca2acf2165fad97bbb8b1c4a4f2e25cd2d5ff3c076460f5ec. 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/LTH912100001.
      date published: 2026-07-15T23:24:33Z
    audio: Blaško Vėjai
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 134.893
      additional property: Musical Key
        type: PropertyValue
        value: 7
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.575
      additional property: Energy
        type: PropertyValue
        value: 0.501
      additional property: Speechiness
        type: PropertyValue
        value: 0.028
      additional property: Acousticness
        type: PropertyValue
        value: 0.518
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.185
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.414
      additional property: Loudness (dB)
        type: PropertyValue
        value: -9.76
      additional property: Key Name
        type: PropertyValue
        value: G
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Vasara
  type: MusicAlbum
  date published: 2021-06-17
  track: Vasara
    type: MusicRecording
    duration: PT3M43S
    duration ms: 223071
    explicit: false
    by artist: Martynas Kavaliauskas
    in album: Vasara
      type: MusicAlbum
      date published: 2021-06-17
    isrc code: LTH912100002
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T09:39:38+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x145c0b991fb04bfd87bb8b8c1fa169b797ceb94285141ef89400868dfa610ad3
    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/LTH912100002
    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 0x145c0b991fb04bfd87bb8b8c1fa169b797ceb94285141ef89400868dfa610ad3. 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/LTH912100002.
      date published: 2026-07-04T10:04:33Z
    audio: Vasara
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 125.983
      additional property: Musical Key
        type: PropertyValue
        value: 6
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.682
      additional property: Energy
        type: PropertyValue
        value: 0.637
      additional property: Speechiness
        type: PropertyValue
        value: 0.033
      additional property: Acousticness
        type: PropertyValue
        value: 0.087
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.398
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.483
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Jauni
album: NEŽAISK
album: VĖLUMOJ
album: Vėlumoj (Dom Simon Remix)
album: Šaltos naktys
album: Karaliai
album: Tyloje
album: Ant Debesų
album: 1000 Naktų
track: Mes Sakom Ačiū
track: Aš Širdyje Labai Myliu Savo Mamą

Mes Sakom Ačiū
type: MusicRecording
duration: PT3M16S
duration ms: 196464
explicit: false
by artist: Džimba
by artist: Martynas Kavaliauskas
in album: Gražiausios Dainos Vaikams 4
  type: MusicAlbum
  date published: 2017-12-01
isrc code: LTB101700010
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T12:38:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x78aba51fdfd2002607bb45a6df7a0ecbe1e1102eaf019698db7da96b54d5ff2c
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/LTB101700010
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 0x78aba51fdfd2002607bb45a6df7a0ecbe1e1102eaf019698db7da96b54d5ff2c. 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/LTB101700010.
  date published: 2026-07-02T03:55:08Z
audio: Mes Sakom Ačiū
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.815
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.575
  additional property: Energy
    type: PropertyValue
    value: 0.787
  additional property: Speechiness
    type: PropertyValue
    value: 0.104
  additional property: Acousticness
    type: PropertyValue
    value: 0.2
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.092
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.934
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.896
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Aš Širdyje Labai Myliu Savo Mamą
type: MusicRecording
duration: PT3M30S
duration ms: 210727
explicit: false
by artist: Džimba
by artist: Martynas Kavaliauskas
by artist: Gabrielė Malinauskaitė
by artist: Janina Matekonytė
by artist: Vidas Petkevičius
in album: Gražiausios Dainos Vaikams 4
  type: MusicAlbum
  date published: 2017-12-01
isrc code: LTB101700019
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T12:06:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7639efa2f88866b47c557c46120250956da536b8518d92de835a00c63623f887
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/LTB101700019
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 956304
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:55:08+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 0x7639efa2f88866b47c557c46120250956da536b8518d92de835a00c63623f887. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/LTB101700019.
  date published: 2026-07-02T05:09:12Z
audio: Aš Širdyje Labai Myliu Savo Mamą
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 134.338
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.754
  additional property: Energy
    type: PropertyValue
    value: 0.68
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.372
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.126
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.802
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.796
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Loudness (dB)
type: PropertyValue
value: -9.661

Key Name
type: PropertyValue
value: F#

Mode Name
type: PropertyValue
value: Minor

Jauni
type: MusicAlbum
date published: 2022-06-16

NEŽAISK
type: MusicAlbum
date published: 2023-06-06

VĖLUMOJ
type: MusicAlbum
date published: 2023-08-11

Vėlumoj (Dom Simon Remix)
type: MusicAlbum
date published: 2023-08-26

Šaltos naktys
type: MusicAlbum
date published: 2024-02-14

Karaliai
type: MusicAlbum
date published: 2024-07-26

Tyloje
type: MusicAlbum
date published: 2025-06-12

Ant Debesų
type: MusicAlbum
date published: 2025-07-31

1000 Naktų
type: MusicAlbum
date published: 2025-09-20