Jo Perera
type: MusicGroup
popularity: 24
followers: 841
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xced62b1196b163b6b8feff254e39fbf0a46d131869325250a0ac9dc6d0af9b35
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/a9e52088-4c5d-436f-927a-f2b08593c791.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a9e52088-4c5d-436f-927a-f2b08593c791.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/a9e52088-4c5d-436f-927a-f2b08593c791
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xced62b1196b163b6b8feff254e39fbf0a46d131869325250a0ac9dc6d0af9b35","name":"Jo Perera","registered_at":"2026-06-12T06:50:26Z","symbol":"NIM0219511","token_address":"0xb65864a6bbe08e37a4b1d58bf8356279f657052e","type":"artist","uuid":"a9e52088-4c5d-436f-927a-f2b08593c791"}
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 0xced62b1196b163b6b8feff254e39fbf0a46d131869325250a0ac9dc6d0af9b35. 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/a9e52088-4c5d-436f-927a-f2b08593c791.json and https://artists.proofprofile.net/proofs/artist/a9e52088-4c5d-436f-927a-f2b08593c791.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T21:20:00Z
  text: {"copyright_id":"0xced62b1196b163b6b8feff254e39fbf0a46d131869325250a0ac9dc6d0af9b35","name":"Jo Perera","registered_at":"2026-06-12T06:50:26Z","symbol":"NIM0219511","token_address":"0xb65864a6bbe08e37a4b1d58bf8356279f657052e","type":"artist","uuid":"a9e52088-4c5d-436f-927a-f2b08593c791"}
album: Ranganaa
  type: MusicAlbum
  date published: 2024-01-29
album: Mata Nokiya
  type: MusicAlbum
  date published: 2024-03-01
  track: Mata Nokiya
    type: MusicRecording
    duration: PT3M27S
    duration ms: 207857
    explicit: false
    by artist: Jo Perera
    in album: Mata Nokiya
      type: MusicAlbum
      date published: 2024-03-01
    isrc code: QM4TW2484292
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T00:42:45+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x06d22f5426ceb306ff135954f31ed1481f1445d289a3b24a142b5b589789df3f
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956422
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956422
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW2484292
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T01:01:38Z
    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 0x06d22f5426ceb306ff135954f31ed1481f1445d289a3b24a142b5b589789df3f. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/QM4TW2484292.
      date published: 2026-07-03T01:01:38Z
    audio: Mata Nokiya
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 98.51
      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: 0.744
      additional property: Energy
        type: PropertyValue
        value: 0.717
      additional property: Speechiness
        type: PropertyValue
        value: 0.251
      additional property: Acousticness
        type: PropertyValue
        value: 0.688
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.423
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.787
      additional property: Loudness (dB)
        type: PropertyValue
        value: -8.407
      additional property: Key Name
        type: PropertyValue
        value: C
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Handhawe
  type: MusicAlbum
  date published: 2024-04-05
album: Mathake
  type: MusicAlbum
  date published: 2024-07-05
  track: Mathake
    type: MusicRecording
    duration: PT3M19S
    duration ms: 199389
    explicit: false
    by artist: Jo Perera
    in album: Mathake
      type: MusicAlbum
      date published: 2024-07-05
    isrc code: ATR981324641
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T10:52:46+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x8dbbee1cc815bdbf01788edc84509b4af1bd60b07d03e17760530993ad774463
    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/ATR981324641
    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 0x8dbbee1cc815bdbf01788edc84509b4af1bd60b07d03e17760530993ad774463. 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/ATR981324641.
      date published: 2026-07-05T18:48:28Z
    audio: Mathake
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 92.01
      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: 0.793
      additional property: Energy
        type: PropertyValue
        value: 0.651
      additional property: Speechiness
        type: PropertyValue
        value: 0.285
      additional property: Acousticness
        type: PropertyValue
        value: 0.463
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Adey Kelle
album: Sanda Bonda
album: Mala Panala
album: Mala Panala (Acoustic Version)
album: Padi Dawasa
album: Mala Panala (Live with Stereo)
album: Manike
album: Siyambala

Liveness
type: PropertyValue
value: 0.171

Valence (Positivity)
type: PropertyValue
value: 0.904

Loudness (dB)
type: PropertyValue
value: -9.78

Key Name
type: PropertyValue
value: A

Mode Name
type: PropertyValue
value: Minor

Adey Kelle
type: MusicAlbum
date published: 2024-07-19
track: Adey Kelle
  type: MusicRecording
  duration: PT2M55S
  duration ms: 175115
  explicit: false
  by artist: Jo Perera
  in album: Adey Kelle
    type: MusicAlbum
    date published: 2024-07-19
  isrc code: ATR981325385
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-21T11:14:20+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xbd8a6b2a4b6f11507434285c3029f96cde9ae3110a96275069e5e4b6f3138667
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 959010
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/959010
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ATR981325385
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-21T13:22:35Z
  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 0xbd8a6b2a4b6f11507434285c3029f96cde9ae3110a96275069e5e4b6f3138667. Chain 2 (Bitcoin): anchored in block 959010 (2026-07-21T13:22:35Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ATR981325385.
    date published: 2026-07-21T13:22:35Z
  audio: Adey Kelle
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 91.942
    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: 0.662
    additional property: Energy
      type: PropertyValue
      value: 0.734
    additional property: Speechiness
      type: PropertyValue
      value: 0.114
    additional property: Acousticness
      type: PropertyValue
      value: 0.063
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.335
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.72
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.687
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major

Sanda Bonda
type: MusicAlbum
date published: 2024-09-27
track: Sanda Bonda
  type: MusicRecording
  duration: PT2M30S
  duration ms: 150777
  explicit: false
  by artist: Jo Perera
  in album: Sanda Bonda
    type: MusicAlbum
    date published: 2024-09-27
  isrc code: QMBZ92498280
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T10:48:22+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4f0ee9a294a400f9e606e9cc84d1a2e5eb9600f056dfe95bda3fff7dacad489d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958543
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958543
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMBZ92498280
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T11:58:44Z
  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 0x4f0ee9a294a400f9e606e9cc84d1a2e5eb9600f056dfe95bda3fff7dacad489d. Chain 2 (Bitcoin): anchored in block 958543 (2026-07-18T11:58:44Z), 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/QMBZ92498280.
    date published: 2026-07-18T11:58:44Z
  audio: Sanda Bonda
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 78.022
    additional property: Musical Key
      type: PropertyValue
      value: 10
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.612
    additional property: Energy
      type: PropertyValue
      value: 0.562
    additional property: Speechiness
      type: PropertyValue
      value: 0.185
    additional property: Acousticness
      type: PropertyValue
      value: 0.3
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.119
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.764
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.425
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Mala Panala
type: MusicAlbum
date published: 2024-12-20

Mala Panala
type: MusicAlbum
date published: 2024-12-20

Mala Panala
type: MusicAlbum
date published: 2024-12-20

Mala Panala (Acoustic Version)
type: MusicAlbum
date published: 2025-02-14
track: Mala Panala - Acoustic Version
  type: MusicRecording
  duration: PT1M52S
  duration ms: 112000
  explicit: false
  by artist: Jo Perera
  in album: Mala Panala (Acoustic Version)
    type: MusicAlbum
    date published: 2025-02-14
  isrc code: QZQAY2573217
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-14T20:07:41+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x62633e42a184c2d9d325516c0d2571d2141eb07c7fa15161bd1c588ff52bb6e6
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958060
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958060
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZQAY2573217
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-14T20:39:42Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62633e42a184c2d9d325516c0d2571d2141eb07c7fa15161bd1c588ff52bb6e6. Chain 2 (Bitcoin): anchored in block 958060 (2026-07-14T20:39:42Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZQAY2573217.
    date published: 2026-07-14T20:39:42Z
  audio: Mala Panala - Acoustic Version
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 89.48
    additional property: Musical Key
      type: PropertyValue
      value: 10
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.6
    additional property: Energy
      type: PropertyValue
      value: 0.532
    additional property: Speechiness
      type: PropertyValue
      value: 0.142
    additional property: Acousticness
      type: PropertyValue
      value: 0.237
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.122
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.697
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.576
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Major

Padi Dawasa
type: MusicAlbum
date published: 2025-03-28

Mala Panala (Live with Stereo)
type: MusicAlbum
date published: 2025-06-07

Sanda Bonda
type: MusicAlbum
date published: 2025-07-08

Padi Dawasa
type: MusicAlbum
date published: 2025-07-08

Mata Nokiya
type: MusicAlbum
date published: 2025-07-12

Ranganaa
type: MusicAlbum
date published: 2025-07-12

Handhawe
type: MusicAlbum
date published: 2025-07-12

Manike
type: MusicAlbum
date published: 2025-08-13
track: Manike
  type: MusicRecording
  duration: PT3M6S
  duration ms: 186666
  explicit: false
  by artist: Jo Perera
  in album: Manike
    type: MusicAlbum
    date published: 2025-08-13
  isrc code: ATR981347708
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T08:26:09+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3aeffe007f30aa9c2394a6c44140a0f973a0edc672239ae351c83f1043f835e5
  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/ATR981347708
  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 0x3aeffe007f30aa9c2394a6c44140a0f973a0edc672239ae351c83f1043f835e5. 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/ATR981347708.
    date published: 2026-07-04T10:04:33Z
  audio: Manike
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 152.956
    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
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Siyambala
type: MusicAlbum
date published: 2025-09-14
track: Siyambala
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    date published: 2026-07-03T10:47:44Z
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