Eva Schubert
type: MusicGroup
genre: vocal jazz
popularity: 3
followers: 289
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbf17e7534d67e29b478202d800b0259001277c0e93cd840c07962207373d6527
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953915
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953915
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1973c08e-2e26-4c45-854b-2b7f0b74c1d2.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1973c08e-2e26-4c45-854b-2b7f0b74c1d2.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/1973c08e-2e26-4c45-854b-2b7f0b74c1d2
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T08:36:32Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xbf17e7534d67e29b478202d800b0259001277c0e93cd840c07962207373d6527","name":"Eva Schubert","registered_at":"2026-06-15T22:25:21Z","symbol":"NIM0850763","token_address":"0x108f586ebfc2116950c75f8ef5f291dcf1ee669d","type":"artist","uuid":"1973c08e-2e26-4c45-854b-2b7f0b74c1d2"}
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 0xbf17e7534d67e29b478202d800b0259001277c0e93cd840c07962207373d6527. Chain 2 (Bitcoin): anchored in block 953915 (2026-06-16T08:36:32Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1973c08e-2e26-4c45-854b-2b7f0b74c1d2.json and https://artists.proofprofile.net/proofs/artist/1973c08e-2e26-4c45-854b-2b7f0b74c1d2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T08:36:32Z
  text: {"copyright_id":"0xbf17e7534d67e29b478202d800b0259001277c0e93cd840c07962207373d6527","name":"Eva Schubert","registered_at":"2026-06-15T22:25:21Z","symbol":"NIM0850763","token_address":"0x108f586ebfc2116950c75f8ef5f291dcf1ee669d","type":"artist","uuid":"1973c08e-2e26-4c45-854b-2b7f0b74c1d2"}
album: Songs for a Ladies' Man
  type: MusicAlbum
  date published: 2015-10-19
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