Alex Mandel
type: MusicGroup
genre: acoustic rock
popularity: 3
followers: 135
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9d76a222206ca2f66d7e9f235585a007d185f1aac93e3a6dea882acb61827d0e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954784
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954784
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/efccc437-4a4f-46de-979d-dbc22e245b83.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/efccc437-4a4f-46de-979d-dbc22e245b83.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/efccc437-4a4f-46de-979d-dbc22e245b83
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-22T02:53:59Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9d76a222206ca2f66d7e9f235585a007d185f1aac93e3a6dea882acb61827d0e","name":"Alex Mandel","registered_at":"2026-06-21T12:35:58Z","symbol":"NIM1925406","token_address":"0x560a6ce9db4dc41a0010520f663f7dbb34c11f98","type":"artist","uuid":"efccc437-4a4f-46de-979d-dbc22e245b83"}
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 0x9d76a222206ca2f66d7e9f235585a007d185f1aac93e3a6dea882acb61827d0e. Chain 2 (Bitcoin): anchored in block 954784 (2026-06-22T02:53:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/efccc437-4a4f-46de-979d-dbc22e245b83.json and https://artists.proofprofile.net/proofs/artist/efccc437-4a4f-46de-979d-dbc22e245b83.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-22T02:53:59Z
  text: {"copyright_id":"0x9d76a222206ca2f66d7e9f235585a007d185f1aac93e3a6dea882acb61827d0e","name":"Alex Mandel","registered_at":"2026-06-21T12:35:58Z","symbol":"NIM1925406","token_address":"0x560a6ce9db4dc41a0010520f663f7dbb34c11f98","type":"artist","uuid":"efccc437-4a4f-46de-979d-dbc22e245b83"}
album: As Long as We Breathe
  type: MusicAlbum
  date published: 2016-02-19
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  type: MusicAlbum
  date published: 2022-12-16
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
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