Leos Strings
type: MusicGroup
popularity: 5
followers: 41
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbaf33f0565322cc6744032dda4b3087cd622e331a4af267795b3446c972b8cb6
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/a5e18a2c-8d23-49ea-aa44-beb0d81afb02.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a5e18a2c-8d23-49ea-aa44-beb0d81afb02.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/a5e18a2c-8d23-49ea-aa44-beb0d81afb02
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T08:57:02Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xbaf33f0565322cc6744032dda4b3087cd622e331a4af267795b3446c972b8cb6","name":"Leos Strings","registered_at":"2026-06-20T07:39:14Z","symbol":"NIM1555855","token_address":"0xb19e2a88815f5acbe0950391288b1cdccac3bc0a","type":"artist","uuid":"a5e18a2c-8d23-49ea-aa44-beb0d81afb02"}
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 0xbaf33f0565322cc6744032dda4b3087cd622e331a4af267795b3446c972b8cb6. 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/a5e18a2c-8d23-49ea-aa44-beb0d81afb02.json and https://artists.proofprofile.net/proofs/artist/a5e18a2c-8d23-49ea-aa44-beb0d81afb02.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T08:57:02Z
  text: {"copyright_id":"0xbaf33f0565322cc6744032dda4b3087cd622e331a4af267795b3446c972b8cb6","name":"Leos Strings","registered_at":"2026-06-20T07:39:14Z","symbol":"NIM1555855","token_address":"0xb19e2a88815f5acbe0950391288b1cdccac3bc0a","type":"artist","uuid":"a5e18a2c-8d23-49ea-aa44-beb0d81afb02"}
album: Leos Strings
  type: MusicAlbum
  date published: 2015-07-15
album: Birds of a Feather (String Quartet)
  type: MusicAlbum
  date published: 2025-02-26
album: Runaway (String Quartet)
  type: MusicAlbum
  date published: 2025-03-26
album: Butterflies (String Quartet)
  type: MusicAlbum
  date published: 2025-04-26
album: You're Still The One (String Quartet)
  type: MusicAlbum
  date published: 2025-05-23
album: Ordinary (String Quartet)
  type: MusicAlbum
  date published: 2025-06-11
album: Go the Distance (String Quartet)
  type: MusicAlbum
  date published: 2025-07-26
album: Turning Page (String Quartet)
  type: MusicAlbum
  date published: 2025-08-31
album: It's All About You (String Quartet)
  type: MusicAlbum
  date published: 2025-09-30