Heinrich Mann
type: MusicGroup
description: Luiz Heinrich Mann (; March 27, 1871 – March 11, 1950), best known as simply Heinrich Mann, was a German writer known for his sociopolitical novels. From 1930 until 1933, he was president of the fine
popularity: 11
followers: 278
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf4032efebe9c430708350a1bf333b1f115f3be57f8926853bdfc0331cc99c202
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953605
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953605
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/10e1375c-c278-4720-bcd9-d4e2599b1778.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/10e1375c-c278-4720-bcd9-d4e2599b1778.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/10e1375c-c278-4720-bcd9-d4e2599b1778
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T07:39:50Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf4032efebe9c430708350a1bf333b1f115f3be57f8926853bdfc0331cc99c202","name":"Heinrich Mann","registered_at":"2026-06-14T06:13:46Z","symbol":"NIM0363671","token_address":"0xa1e711b75532692f79bcc971fc050a2669b90b6d","type":"artist","uuid":"10e1375c-c278-4720-bcd9-d4e2599b1778"}
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 0xf4032efebe9c430708350a1bf333b1f115f3be57f8926853bdfc0331cc99c202. Chain 2 (Bitcoin): anchored in block 953605 (2026-06-14T07:39:50Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/10e1375c-c278-4720-bcd9-d4e2599b1778.json and https://artists.proofprofile.net/proofs/artist/10e1375c-c278-4720-bcd9-d4e2599b1778.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T07:39:50Z
  text: {"copyright_id":"0xf4032efebe9c430708350a1bf333b1f115f3be57f8926853bdfc0331cc99c202","name":"Heinrich Mann","registered_at":"2026-06-14T06:13:46Z","symbol":"NIM0363671","token_address":"0xa1e711b75532692f79bcc971fc050a2669b90b6d","type":"artist","uuid":"10e1375c-c278-4720-bcd9-d4e2599b1778"}
album: Sininen enkeli
  type: MusicAlbum
  date published: 1905
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  date published: 1975
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  date published: 2021-01-28
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  type: MusicAlbum
  date published: 2021-02-19
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  type: MusicAlbum
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