Ivar Anton Waagaard
type: MusicGroup
description: Ivar Anton Waagaard (born 3 September 1955) is a Norwegian pianist. He has collaborated with several Norwegian artists like Sigmund Groven, Ole Edvard Antonsen, Arve Tellefsen, Truls Mørk, Aage Kvalbe
popularity: 15
followers: 64
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xaf02106d4a84b9559df1d97018139a26ed9ef5be9f66eae2f779c659d92b8897
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953795
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953795
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e2246c8a-2799-490d-96ac-2cb274558d3e.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e2246c8a-2799-490d-96ac-2cb274558d3e.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/e2246c8a-2799-490d-96ac-2cb274558d3e
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T13:44:27Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xaf02106d4a84b9559df1d97018139a26ed9ef5be9f66eae2f779c659d92b8897","name":"Ivar Anton Waagaard","registered_at":"2026-06-15T04:11:05Z","symbol":"NIM0677956","token_address":"0x7d81f1a298d682cad2573c16d5aefc3d02706276","type":"artist","uuid":"e2246c8a-2799-490d-96ac-2cb274558d3e"}
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 0xaf02106d4a84b9559df1d97018139a26ed9ef5be9f66eae2f779c659d92b8897. Chain 2 (Bitcoin): anchored in block 953842 (2026-06-15T22:22:30Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e2246c8a-2799-490d-96ac-2cb274558d3e.json and https://artists.proofprofile.net/proofs/artist/e2246c8a-2799-490d-96ac-2cb274558d3e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T22:22:30Z
  text: {"copyright_id":"0xaf02106d4a84b9559df1d97018139a26ed9ef5be9f66eae2f779c659d92b8897","name":"Ivar Anton Waagaard","registered_at":"2026-06-15T04:11:05Z","symbol":"NIM0677956","token_address":"0x7d81f1a298d682cad2573c16d5aefc3d02706276","type":"artist","uuid":"e2246c8a-2799-490d-96ac-2cb274558d3e"}
album: Norsk musikk for to klaver
  type: MusicAlbum
  date published: 2011-12-20
album: Film Music for the Piano
  type: MusicAlbum
  date published: 2024-08-31