有坂朋恵
type: MusicGroup
popularity: 5
followers: 8
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7fb6802f4ef61e6164d430960dce9fda3f60cffe668e9a049d1517c970c01e1d
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/6486776d-2c77-4919-887d-80f9f09e1630.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/6486776d-2c77-4919-887d-80f9f09e1630.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/6486776d-2c77-4919-887d-80f9f09e1630
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7fb6802f4ef61e6164d430960dce9fda3f60cffe668e9a049d1517c970c01e1d","name":"有坂朋恵","registered_at":"2026-06-17T00:39:28Z","symbol":"NIM1226468","token_address":"0x443d9fa1c68487f0a6a666d16403faf654fb323f","type":"artist","uuid":"6486776d-2c77-4919-887d-80f9f09e1630"}
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 0x7fb6802f4ef61e6164d430960dce9fda3f60cffe668e9a049d1517c970c01e1d. 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/6486776d-2c77-4919-887d-80f9f09e1630.json and https://artists.proofprofile.net/proofs/artist/6486776d-2c77-4919-887d-80f9f09e1630.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x7fb6802f4ef61e6164d430960dce9fda3f60cffe668e9a049d1517c970c01e1d","name":"有坂朋恵","registered_at":"2026-06-17T00:39:28Z","symbol":"NIM1226468","token_address":"0x443d9fa1c68487f0a6a666d16403faf654fb323f","type":"artist","uuid":"6486776d-2c77-4919-887d-80f9f09e1630"}