COINN
type: MusicGroup
popularity: 2
followers: 326
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5904fc15e582b7845e0ade9fa5ed088f0a3f942dbade999e54d5e8a9f1a99659
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/659ee21f-0f30-4d5a-a9a2-b740b6ef88a2.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/659ee21f-0f30-4d5a-a9a2-b740b6ef88a2.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/659ee21f-0f30-4d5a-a9a2-b740b6ef88a2
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
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 0x5904fc15e582b7845e0ade9fa5ed088f0a3f942dbade999e54d5e8a9f1a99659. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/659ee21f-0f30-4d5a-a9a2-b740b6ef88a2.json and https://artists.proofprofile.net/proofs/artist/659ee21f-0f30-4d5a-a9a2-b740b6ef88a2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
album: you are the light – にぎやか盤 –
  type: MusicAlbum
  date published: 2013-02-23
album: you are the light – おだやか盤 –
  type: MusicAlbum
  date published: 2013-02-23
album: you are the light
  type: MusicAlbum
  date published: 2013-02-23
album: Hello! Hello! Hello!
  type: MusicAlbum
  date published: 2016-07-01
album: Hello! Hello! Hello!
  type: MusicAlbum
  date published: 2016-07-01
album: Wonders!
  type: MusicAlbum
  date published: 2019-04-19
album: Wonders!
  type: MusicAlbum
  date published: 2019-04-20
album: Travelers!
  type: MusicAlbum
  date published: 2019-07-01
album: Travelers!
  type: MusicAlbum
  date published: 2019-07-01