Louise Spencer
type: MusicGroup
popularity: 7
followers: 156
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd80e0e6876496bc9df21338d33437f75eb0bba1ff1876be7dd0f2713627d9598
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954705
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954705
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ebbb5884-22c4-415b-b783-c4d7cd905cc2.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ebbb5884-22c4-415b-b783-c4d7cd905cc2.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/ebbb5884-22c4-415b-b783-c4d7cd905cc2
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T13:42:37Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd80e0e6876496bc9df21338d33437f75eb0bba1ff1876be7dd0f2713627d9598","name":"Louise Spencer","registered_at":"2026-06-21T11:00:03Z","symbol":"NIM1905574","token_address":"0x340fbf7c5ead09c238d487601196873a4d57c981","type":"artist","uuid":"ebbb5884-22c4-415b-b783-c4d7cd905cc2"}
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 0xd80e0e6876496bc9df21338d33437f75eb0bba1ff1876be7dd0f2713627d9598. Chain 2 (Bitcoin): anchored in block 954705 (2026-06-21T13:42:37Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ebbb5884-22c4-415b-b783-c4d7cd905cc2.json and https://artists.proofprofile.net/proofs/artist/ebbb5884-22c4-415b-b783-c4d7cd905cc2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T13:42:37Z
  text: {"copyright_id":"0xd80e0e6876496bc9df21338d33437f75eb0bba1ff1876be7dd0f2713627d9598","name":"Louise Spencer","registered_at":"2026-06-21T11:00:03Z","symbol":"NIM1905574","token_address":"0x340fbf7c5ead09c238d487601196873a4d57c981","type":"artist","uuid":"ebbb5884-22c4-415b-b783-c4d7cd905cc2"}
album: Harp Portrait No. 1: Kimigayo, The National Anthem Of Japan
  type: MusicAlbum
  date published: 2021-07-26
album: Harp Portrait No. 1: Kimigayo, The National Anthem Of Japan
  type: MusicAlbum
  date published: 2021-07-26
album: Christmas Harp Lullabies
  type: MusicAlbum
  date published: 2021-10-29
album: Christmas Harp Lullabies
  type: MusicAlbum
  date published: 2021-10-29
album: Harp Portrait No. 2: Midnight Waltz
  type: MusicAlbum
  date published: 2021-11-19
album: Harp Portrait No. 2: Midnight Waltz
  type: MusicAlbum
  date published: 2021-11-19
album: Night
  type: MusicAlbum
  date published: 2022-03-18
album: Night
  type: MusicAlbum
  date published: 2022-03-18
album: Introspection
  type: MusicAlbum
  date published: 2022-03-27
album: Introspection
  type: MusicAlbum
  date published: 2022-03-27
album: Classical Favourites for Harp
  type: MusicAlbum
  date published: 2022-05-27
album: Classical Favourites for Harp
  type: MusicAlbum
  date published: 2022-05-27
album: Through The Other Side
  type: MusicAlbum
  date published: 2023-01-27
album: Through The Other Side
  type: MusicAlbum
  date published: 2023-01-27
album: Dreamcatcher
  type: MusicAlbum
  date published: 2023-02-24
album: Dreamcatcher
  type: MusicAlbum
  date published: 2023-02-24
album: Solitude
  type: MusicAlbum
  date published: 2023-03-24
album: Solitude
  type: MusicAlbum
  date published: 2023-03-24
album: Nocturnus
  type: MusicAlbum
  date published: 2023-05-05
album: Nocturnus
  type: MusicAlbum
  date published: 2023-05-05
album: Downpour
  type: MusicAlbum
  date published: 2023-05-26
album: Downpour
  type: MusicAlbum
  date published: 2023-05-26
album: In The Serenity Of Moonlight
  type: MusicAlbum
  date published: 2023-09-22
album: Dappled Sunlight
  type: MusicAlbum
  date published: 2023-10-06
album: Dappled Sunlight
  type: MusicAlbum
  date published: 2023-10-06
album: Breathe
  type: MusicAlbum
  date published: 2023-12-01
album: Breathe
  type: MusicAlbum
  date published: 2023-12-01
album: Friday morning: coffee with friends
  type: MusicAlbum
  date published: 2024-03-15
album: Friday morning: coffee with friends
  type: MusicAlbum
  date published: 2024-03-15
album: My week: on cassette
  type: MusicAlbum
  date published: 2024-03-28
album: My week: on cassette
  type: MusicAlbum
  date published: 2024-03-28
album: Weightless
  type: MusicAlbum
  date published: 2024-06-21
album: Snowfi Bells
  type: MusicAlbum
  date published: 2024-11-22
album: In The Serenity Of Moonlight (Blackadder Downtempo Remix)
  type: MusicAlbum
  date published: 2025-01-03
album: Into The Azure
  type: MusicAlbum
  date published: 2025-03-27
album: First Light
  type: MusicAlbum
  date published: 2025-09-19
album: The Shape of Goodbye
  type: MusicAlbum
  date published: 2025-10-03
album: Piano Peace
  type: MusicAlbum
  date published: 2025-10-24