Christina Semmler
type: MusicGroup
popularity: 2
followers: 143
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x32bd317635d1004a801c2b779c02c1d918d0b9c9384ad4e9b5be4f047fa4ac80
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954065
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954065
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/5357eced-550e-4d80-8291-9585fff4d4f6.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/5357eced-550e-4d80-8291-9585fff4d4f6.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/5357eced-550e-4d80-8291-9585fff4d4f6
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:10:43Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x32bd317635d1004a801c2b779c02c1d918d0b9c9384ad4e9b5be4f047fa4ac80","name":"Christina Semmler","registered_at":"2026-06-16T18:34:48Z","symbol":"NIM1139477","token_address":"0x5ffbb613e8ca1b5d9e570395a46fa4de26ba1f98","type":"artist","uuid":"5357eced-550e-4d80-8291-9585fff4d4f6"}
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 0x32bd317635d1004a801c2b779c02c1d918d0b9c9384ad4e9b5be4f047fa4ac80. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5357eced-550e-4d80-8291-9585fff4d4f6.json and https://artists.proofprofile.net/proofs/artist/5357eced-550e-4d80-8291-9585fff4d4f6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:10:43Z
  text: {"copyright_id":"0x32bd317635d1004a801c2b779c02c1d918d0b9c9384ad4e9b5be4f047fa4ac80","name":"Christina Semmler","registered_at":"2026-06-16T18:34:48Z","symbol":"NIM1139477","token_address":"0x5ffbb613e8ca1b5d9e570395a46fa4de26ba1f98","type":"artist","uuid":"5357eced-550e-4d80-8291-9585fff4d4f6"}
album: Be Free
  type: MusicAlbum
  date published: 2018-03-02
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  type: MusicAlbum
  date published: 2018-04-26
album: Road Trip EP
  type: MusicAlbum
  date published: 2018-06-21
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  type: MusicAlbum
  date published: 2018-12-14
album: Vibes
  type: MusicAlbum
  date published: 2019-03-22
album: Neverland
  type: MusicAlbum
  date published: 2019-05-15
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  type: MusicAlbum
  date published: 2019-05-24
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  type: MusicAlbum
  date published: 2019-08-09
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  type: MusicAlbum
  date published: 2019-10-25
album: Brainwash
  type: MusicAlbum
  date published: 2020-03-16
album: Brain Fck
  type: MusicAlbum
  date published: 2020-04-27
album: Straight Razor
  type: MusicAlbum
  date published: 2020-05-10
album: Mind Up
  type: MusicAlbum
  date published: 2020-07-17
album: Take This
  type: MusicAlbum
  date published: 2020-08-03
album: Don't Stop
  type: MusicAlbum
  date published: 2020-11-09
album: Are You Dreaming
  type: MusicAlbum
  date published: 2021-10-07