Lloyd Llewellyn
type: MusicGroup
description: Lloyd Llewellyn (sometimes abbreviated LLLL) is a black-and-white comic book by Daniel Clowes, published by Fantagraphics. The series' title character is a detective who has humorous adventures inspir
popularity: 3
followers: 478
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x660f54b5bdaa98e80e03311820209c46fa21fa684792f71ea261c4be04932114
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954533
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954533
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a6881665-4e41-44e5-8915-f50837e2243d.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a6881665-4e41-44e5-8915-f50837e2243d.json
additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/a6881665-4e41-44e5-8915-f50837e2243d
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T08:57:02Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x660f54b5bdaa98e80e03311820209c46fa21fa684792f71ea261c4be04932114","name":"Lloyd Llewellyn","registered_at":"2026-06-20T07:53:19Z","symbol":"NIM1558763","token_address":"0xc6916d262b4b2d679f4b5bbd5d45e612b1a2c5d5","type":"artist","uuid":"a6881665-4e41-44e5-8915-f50837e2243d"}
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 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
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x660f54b5bdaa98e80e03311820209c46fa21fa684792f71ea261c4be04932114. Chain 2 (Bitcoin): anchored in block 954533 (2026-06-20T08:57:02Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a6881665-4e41-44e5-8915-f50837e2243d.json and https://artists.proofprofile.net/proofs/artist/a6881665-4e41-44e5-8915-f50837e2243d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T08:57:02Z
  text: {"copyright_id":"0x660f54b5bdaa98e80e03311820209c46fa21fa684792f71ea261c4be04932114","name":"Lloyd Llewellyn","registered_at":"2026-06-20T07:53:19Z","symbol":"NIM1558763","token_address":"0xc6916d262b4b2d679f4b5bbd5d45e612b1a2c5d5","type":"artist","uuid":"a6881665-4e41-44e5-8915-f50837e2243d"}
album: Long Way Down
  type: MusicAlbum
  date published: 2017-09-15
  track: Long Way Down
    type: MusicRecording
    duration: PT3M17S
    duration ms: 197616
    explicit: false
    by artist: Lloyd Llewellyn
    in album: Long Way Down
      type: MusicAlbum
      date published: 2017-09-15
    isrc code: GBKPL1788719
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    additional property: CopyrightStatus
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    additional property: OTSBitcoinBlock
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    additional property: OTSBitcoinBlockVerifyURL
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      value: https://blockstream.info/api/block-height/958838
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBKPL1788719
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T07:01:21Z
    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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea31767d5e6be7624174ca21fcce9558b3e0eada24fbf45becc34772fea7ad7a. Chain 2 (Bitcoin): anchored in block 958838 (2026-07-20T07:01:21Z), 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/GBKPL1788719.
      date published: 2026-07-20T07:01:21Z
    audio: Long Way Down
      type: AudioObject
      additional property: Tempo (BPM)
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      additional property: Musical Key
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      additional property: Mode (Major/Minor)
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      additional property: Time Signature
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      additional property: Danceability
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      additional property: Energy
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      additional property: Speechiness
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      additional property: Acousticness
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      additional property: Instrumentalness
        type: PropertyValue
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      additional property: Liveness
        type: PropertyValue
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      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.342
      additional property: Loudness (dB)
        type: PropertyValue
        value: -10.603
      additional property: Key Name
        type: PropertyValue
        value: A
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Long Way Down
  type: MusicAlbum
  date published: 2017-09-15
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  type: MusicAlbum
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  type: MusicAlbum
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