Robin Day
type: MusicGroup
description: Sir Robin Day (24 October 1923 – 6 August 2000) was an English political journalist and television and radio broadcaster. Day's obituary in The Guardian by Dick Taverne stated that he was "the most o
popularity: 3
followers: 3
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb71972cf5a61c5e86fcd44709932cc22a06dab2ba45fea64306992a30f9782fe
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954555
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954555
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ad1444e8-6435-41dd-90e1-53adb2a6cb1c.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ad1444e8-6435-41dd-90e1-53adb2a6cb1c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/ad1444e8-6435-41dd-90e1-53adb2a6cb1c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T12:10:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb71972cf5a61c5e86fcd44709932cc22a06dab2ba45fea64306992a30f9782fe","name":"Robin Day","registered_at":"2026-06-20T10:25:55Z","symbol":"NIM1590802","token_address":"0x9fbfe328cc9d2f2f49c58b0c1d78edeec9ee9c29","type":"artist","uuid":"ad1444e8-6435-41dd-90e1-53adb2a6cb1c"}
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 0xb71972cf5a61c5e86fcd44709932cc22a06dab2ba45fea64306992a30f9782fe. Chain 2 (Bitcoin): anchored in block 954556 (2026-06-20T12:14:15Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ad1444e8-6435-41dd-90e1-53adb2a6cb1c.json and https://artists.proofprofile.net/proofs/artist/ad1444e8-6435-41dd-90e1-53adb2a6cb1c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T12:14:15Z
  text: {"copyright_id":"0xb71972cf5a61c5e86fcd44709932cc22a06dab2ba45fea64306992a30f9782fe","name":"Robin Day","registered_at":"2026-06-20T10:25:55Z","symbol":"NIM1590802","token_address":"0x9fbfe328cc9d2f2f49c58b0c1d78edeec9ee9c29","type":"artist","uuid":"ad1444e8-6435-41dd-90e1-53adb2a6cb1c"}
album: Ursicio Mallia
  type: MusicAlbum
  date published: 2022-06-01
  track: Ursicio Mallia
    type: MusicRecording
    duration: PT1M5S
    duration ms: 65184
    explicit: false
    by artist: Robin Day
    in album: Ursicio Mallia
      type: MusicAlbum
      date published: 2022-06-01
    isrc code: QZQAY2265244
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T21:03:01+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x96bb7b1aafbb332c6e1040e059a74ab3745812df3117cb8009cef5f67ac38fbd
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956728
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956728
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZQAY2265244
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T01:43:49Z
    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 0x96bb7b1aafbb332c6e1040e059a74ab3745812df3117cb8009cef5f67ac38fbd. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/QZQAY2265244.
      date published: 2026-07-05T01:43:49Z
    audio: Ursicio Mallia
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 81.019
      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: 0.712
      additional property: Energy
        type: PropertyValue
        value: 0.258
      additional property: Speechiness
        type: PropertyValue
        value: 0.091
      additional property: Acousticness
        type: PropertyValue
        value: 0.029
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.932
      additional property: Liveness
        type: PropertyValue
        value: 0.061
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.896
      additional property: Loudness (dB)
        type: PropertyValue
        value: -16.05
      additional property: Key Name
        type: PropertyValue
        value: D
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Rohylde
  type: MusicAlbum
  date published: 2022-06-01
album: Pheorrhanestra
  type: MusicAlbum
  date published: 2022-06-01
album: Louis
  type: MusicAlbum
  date published: 2022-06-01