Leo Kane
type: MusicGroup
popularity: 3
followers: 247
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xce4815330708de03e850dbf386ac8c6c19d515e2389ffc1ab6e37d9db8db4070
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/77b09034-6b68-4af6-82c0-514197eaddf6.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/77b09034-6b68-4af6-82c0-514197eaddf6.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/77b09034-6b68-4af6-82c0-514197eaddf6
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xce4815330708de03e850dbf386ac8c6c19d515e2389ffc1ab6e37d9db8db4070","name":"Leo Kane","registered_at":"2026-06-17T07:19:38Z","symbol":"NIM1321974","token_address":"0xce7bc1be9a382c93de2b3642b160e5f75853e020","type":"artist","uuid":"77b09034-6b68-4af6-82c0-514197eaddf6"}
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 0xce4815330708de03e850dbf386ac8c6c19d515e2389ffc1ab6e37d9db8db4070. Chain 2 (Bitcoin): anchored in block 954115 (2026-06-17T15:44:10Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/77b09034-6b68-4af6-82c0-514197eaddf6.json and https://artists.proofprofile.net/proofs/artist/77b09034-6b68-4af6-82c0-514197eaddf6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T15:44:10Z
  text: {"copyright_id":"0xce4815330708de03e850dbf386ac8c6c19d515e2389ffc1ab6e37d9db8db4070","name":"Leo Kane","registered_at":"2026-06-17T07:19:38Z","symbol":"NIM1321974","token_address":"0xce7bc1be9a382c93de2b3642b160e5f75853e020","type":"artist","uuid":"77b09034-6b68-4af6-82c0-514197eaddf6"}
album: Epic
  type: MusicAlbum
  date published: 2013-02-15
  track: Epic - Original Mix
    type: MusicRecording
    duration: PT8M49S
    duration ms: 529739
    explicit: false
    by artist: Leo Kane
    in album: Epic
      type: MusicAlbum
      date published: 2013-02-15
    isrc code: DEQV31300022
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T03:32:49+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xdff87277a5a40d158467aca38674d566b57ae913a861a7048c337791b78c1fbd
    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/DEQV31300022
    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 0xdff87277a5a40d158467aca38674d566b57ae913a861a7048c337791b78c1fbd. 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/DEQV31300022.
      date published: 2026-07-05T10:01:46Z
    audio: Epic - Original Mix
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 118.006
      additional property: Musical Key
        type: PropertyValue
        value: 0
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.968
      additional property: Energy
        type: PropertyValue
        value: 0.355
      additional property: Speechiness
        type: PropertyValue
        value: 0.163
      additional property: Acousticness
        type: PropertyValue
        value: 0.014
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.087
      additional property: Liveness
        type: PropertyValue
        value: 0.101
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.538
      additional property: Loudness (dB)
        type: PropertyValue
        value: -8.966
      additional property: Key Name
        type: PropertyValue
        value: C
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Epic
  type: MusicAlbum
  date published: 2013-03-15
album: Epic Remix EP
  type: MusicAlbum
  date published: 2013-04-29
album: Epic Remix EP
  type: MusicAlbum
  date published: 2013-05-13
album: Epic Remix EP
  type: MusicAlbum
  date published: 2013-05-13
album: Heartbreak EP
  type: MusicAlbum
  date published: 2013-09-16
album: Heartbreak EP
  type: MusicAlbum
  date published: 2013-09-16
album: Shake That
  type: MusicAlbum
  date published: 2015-05-27
album: Roll Tide
  type: MusicAlbum
  date published: 2015-12-16
album: Voyager
  type: MusicAlbum
  date published: 2020-04-13
track: Epic - Original Mix
  type: MusicRecording
  duration: PT8M49S
  duration ms: 529739
  explicit: false
  by artist: Leo Kane
  in album: Déepalma Ibiza 2016 (Compiled by Yves Murasca, Rosario Galati, Holter & Mogyoro)
    type: MusicAlbum
    date published: 2016-07-29
  popularity: 2
  isrc code: DEQV31300022
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T03:32:49+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xdff87277a5a40d158467aca38674d566b57ae913a861a7048c337791b78c1fbd
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957145
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957145
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEQV31300022
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T08:56:20Z
  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 0xdff87277a5a40d158467aca38674d566b57ae913a861a7048c337791b78c1fbd. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/DEQV31300022.
    date published: 2026-07-08T08:56:20Z
  audio: Epic - Original Mix
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 130.245
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
    additional property: Time Signature
    additional property: Danceability
    additional property: Energy
    additional property: Speechiness
    additional property: Acousticness
    additional property: Instrumentalness
    additional property: Liveness
    additional property: Valence (Positivity)
    additional property: Loudness (dB)
    additional property: Key Name
    additional property: Mode Name
track: Roads

Roads
type: MusicRecording
duration: PT7M59S
duration ms: 479990
explicit: false
by artist: Leo Kane
in album: Pure Salinas, Vol. 5 (Compiled by DJ Zappi)
  type: MusicAlbum
  date published: 2014-07-04
popularity: 3
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10d2ac937c879f7698ec555c2a22690911f50f5df27060fb3bd3f87455273f8b. Chain 2 (Bitcoin): anchored in block 960387 (2026-07-31T10:06:30Z), 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/DEVQ31300041.
  date published: 2026-07-31T10:06:30Z
audio: Roads
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 132.298
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.851
  additional property: Energy
    type: PropertyValue
    value: 0.396
  additional property: Speechiness
    type: PropertyValue
    value: 0.063
  additional property: Acousticness
    type: PropertyValue
    value: 0.044
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.254
  additional property: Liveness
    type: PropertyValue
    value: 0.118
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.365
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.636
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: DEVQ31300041
additional property: CopyrightID
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: 960387
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T10:06:30+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVQ31300041
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960387
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960387
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T10:06:30+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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Mode (Major/Minor)
type: PropertyValue
value: 0

Time Signature
type: PropertyValue
value: 5

Danceability
type: PropertyValue
value: 0.967

Energy
type: PropertyValue
value: 0.355

Speechiness
type: PropertyValue
value: 0.163

Acousticness
type: PropertyValue
value: 0.013

Instrumentalness
type: PropertyValue
value: 0.087

Liveness
type: PropertyValue
value: 0.101

Valence (Positivity)
type: PropertyValue
value: 0.539

Loudness (dB)
type: PropertyValue
value: -12.892

Key Name
type: PropertyValue
value: C

Mode Name
type: PropertyValue
value: Minor