SAN CHA
type: MusicGroup
genre: latin alternative
popularity: 5
followers: 3655
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb8578d856e2270f3f061115418d609d25d28fa163fc48ee563863c3cd9edfc9f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954130
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954130
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7c911d43-2b37-4f85-b1d1-9b168c64449d.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7c911d43-2b37-4f85-b1d1-9b168c64449d.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/7c911d43-2b37-4f85-b1d1-9b168c64449d
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T19:07:14Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb8578d856e2270f3f061115418d609d25d28fa163fc48ee563863c3cd9edfc9f","name":"SAN CHA","registered_at":"2026-06-17T09:02:17Z","symbol":"NIM1346407","token_address":"0x5bf04d754b30f2a70e52811ef49c80d3e5f2f7b8","type":"artist","uuid":"7c911d43-2b37-4f85-b1d1-9b168c64449d"}
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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8578d856e2270f3f061115418d609d25d28fa163fc48ee563863c3cd9edfc9f. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T19:07:14Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7c911d43-2b37-4f85-b1d1-9b168c64449d.json and https://artists.proofprofile.net/proofs/artist/7c911d43-2b37-4f85-b1d1-9b168c64449d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T19:07:14Z
  text: {"copyright_id":"0xb8578d856e2270f3f061115418d609d25d28fa163fc48ee563863c3cd9edfc9f","name":"SAN CHA","registered_at":"2026-06-17T09:02:17Z","symbol":"NIM1346407","token_address":"0x5bf04d754b30f2a70e52811ef49c80d3e5f2f7b8","type":"artist","uuid":"7c911d43-2b37-4f85-b1d1-9b168c64449d"}
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  type: MusicAlbum
  date published: 2018-06-06
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  type: MusicAlbum
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