Norbert Blume
type: MusicGroup
genre: chamber music
description: Norbert L. Blume (August 30, 1922 – October 5, 2011) was an American politician. He served as a Democratic member of the Kentucky House of Representatives. Life and career Blume was born in Louisvi
popularity: 5
followers: 9
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x254f616c335b09dcf87bca668eb892f4a6ee095d9f132bc7c86e5e60bf8a62dd
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/4f38681f-fb48-487e-bb76-34dc29b95b92.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4f38681f-fb48-487e-bb76-34dc29b95b92.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/4f38681f-fb48-487e-bb76-34dc29b95b92
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:10:43Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x254f616c335b09dcf87bca668eb892f4a6ee095d9f132bc7c86e5e60bf8a62dd","name":"Norbert Blume","registered_at":"2026-06-16T17:31:25Z","symbol":"NIM1124357","token_address":"0xcfeb97a8ac5594ee48153ebf5f67b2eeed81d5db","type":"artist","uuid":"4f38681f-fb48-487e-bb76-34dc29b95b92"}
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 0x254f616c335b09dcf87bca668eb892f4a6ee095d9f132bc7c86e5e60bf8a62dd. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4f38681f-fb48-487e-bb76-34dc29b95b92.json and https://artists.proofprofile.net/proofs/artist/4f38681f-fb48-487e-bb76-34dc29b95b92.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x254f616c335b09dcf87bca668eb892f4a6ee095d9f132bc7c86e5e60bf8a62dd","name":"Norbert Blume","registered_at":"2026-06-16T17:31:25Z","symbol":"NIM1124357","token_address":"0xcfeb97a8ac5594ee48153ebf5f67b2eeed81d5db","type":"artist","uuid":"4f38681f-fb48-487e-bb76-34dc29b95b92"}
album: Hummel: Chamber Music, Vol. 2
  type: MusicAlbum
  date published: 1993