Live Maria Roggen
type: MusicGroup
genre: nu jazz
description: Live Maria Roggen (born 22 March 1970) is a Norwegian jazz singer, songwriter, and composer. Roggen was born in Oslo and educated at Foss High School (violin and vocals). She studied sociology and mu
popularity: 3
followers: 450
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbee0c0d4d526e1c02e0edf25325aca52ee03ed943cd41fd037b8df480eee3f47
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954693
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954693
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e45d53d3-14bf-44ef-a09f-e1440a75a9c9.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e45d53d3-14bf-44ef-a09f-e1440a75a9c9.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/e45d53d3-14bf-44ef-a09f-e1440a75a9c9
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T11:50:32Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xbee0c0d4d526e1c02e0edf25325aca52ee03ed943cd41fd037b8df480eee3f47","name":"Live Maria Roggen","registered_at":"2026-06-21T08:07:55Z","symbol":"NIM1866717","token_address":"0xe216c665b78e4e1996444e189670471111336a15","type":"artist","uuid":"e45d53d3-14bf-44ef-a09f-e1440a75a9c9"}
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 0xbee0c0d4d526e1c02e0edf25325aca52ee03ed943cd41fd037b8df480eee3f47. Chain 2 (Bitcoin): anchored in block 954693 (2026-06-21T11:50:32Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e45d53d3-14bf-44ef-a09f-e1440a75a9c9.json and https://artists.proofprofile.net/proofs/artist/e45d53d3-14bf-44ef-a09f-e1440a75a9c9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T11:50:32Z
  text: {"copyright_id":"0xbee0c0d4d526e1c02e0edf25325aca52ee03ed943cd41fd037b8df480eee3f47","name":"Live Maria Roggen","registered_at":"2026-06-21T08:07:55Z","symbol":"NIM1866717","token_address":"0xe216c665b78e4e1996444e189670471111336a15","type":"artist","uuid":"e45d53d3-14bf-44ef-a09f-e1440a75a9c9"}
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