Ajantha Ranasinghe
type: MusicGroup
description: Senanayake Mudianselage Ranasinghe Arachchilage Ajantha Sarath Kumara Ranasinghe (30 May 1940 – 27 February 2016), popularly known as Dr. Ajantha Ranasinghe, was a Sri Lankan journalist, lyricist, poe
popularity: 7
followers: 95
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcf1e4f2e61cf190c13c04ebdb68bc6ffa5ef80dc4329d129fb4e8895dc34de78
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954342
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954342
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8d17e3ed-fc52-42f7-8767-5493f0ede565.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8d17e3ed-fc52-42f7-8767-5493f0ede565.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/8d17e3ed-fc52-42f7-8767-5493f0ede565
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:22:39Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xcf1e4f2e61cf190c13c04ebdb68bc6ffa5ef80dc4329d129fb4e8895dc34de78","name":"Ajantha Ranasinghe","registered_at":"2026-06-17T14:56:05Z","symbol":"NIM1430717","token_address":"0x96d9526b6cd9060bb97130fa6f3c0a924dfb5b59","type":"artist","uuid":"8d17e3ed-fc52-42f7-8767-5493f0ede565"}
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 0xcf1e4f2e61cf190c13c04ebdb68bc6ffa5ef80dc4329d129fb4e8895dc34de78. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8d17e3ed-fc52-42f7-8767-5493f0ede565.json and https://artists.proofprofile.net/proofs/artist/8d17e3ed-fc52-42f7-8767-5493f0ede565.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:22:39Z
  text: {"copyright_id":"0xcf1e4f2e61cf190c13c04ebdb68bc6ffa5ef80dc4329d129fb4e8895dc34de78","name":"Ajantha Ranasinghe","registered_at":"2026-06-17T14:56:05Z","symbol":"NIM1430717","token_address":"0x96d9526b6cd9060bb97130fa6f3c0a924dfb5b59","type":"artist","uuid":"8d17e3ed-fc52-42f7-8767-5493f0ede565"}
album: Don Jin Jin Don Tharikita
  type: MusicAlbum
  date published: 2023-03-24
album: Ninda Nena Rathriye
  type: MusicAlbum
  date published: 2024-09-17
album: Iddamal Kathawe
  type: MusicAlbum
  date published: 2024-09-18
album: Ra Dolos Paye
  type: MusicAlbum
  date published: 2025-04-21
  track: Ra Dolos Paye
    type: MusicRecording
    duration: PT4M9S
    duration ms: 249000
    explicit: false
    by artist: Ajantha Ranasinghe
    in album: Ra Dolos Paye
      type: MusicAlbum
      date published: 2025-04-21
    isrc code: LKA0U2501255
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T13:43:02+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x24c05423736ef0bd8a65b782ead6e4171a48ad9d35f759d0a0003504f7601db1
    additional property: OTSHash
    additional property: OTSBitcoinBlock
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    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956551
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/LKA0U2501255
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T21:18:05Z
    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 0x24c05423736ef0bd8a65b782ead6e4171a48ad9d35f759d0a0003504f7601db1. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/LKA0U2501255.
      date published: 2026-07-03T21:18:05Z
    audio: Ra Dolos Paye
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 82.144
      additional property: Musical Key
        type: PropertyValue
        value: 3
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 5
      additional property: Danceability
        type: PropertyValue
        value: 0.354
      additional property: Energy
        type: PropertyValue
        value: 0.6
      additional property: Speechiness
        type: PropertyValue
        value: 0.119
      additional property: Acousticness
        type: PropertyValue
        value: 0.322
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.619
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.712
      additional property: Loudness (dB)
        type: PropertyValue
        value: -9.247
      additional property: Key Name
        type: PropertyValue
        value: Eb
      additional property: Mode Name
        type: PropertyValue
        value: Minor