Olof Thunberg
type: MusicGroup
description: Fritz-Olof Thunberg (21 May 1925 – 24 February 2020) was a Swedish actor and director. He was perhaps best known for being the voice of the cartoon character Bamse. Early life and career Thunberg w
popularity: 17
followers: 116
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6acde3d1fde6196bf6240d694299d2dc7f51a26eb452e3eb29b33fc0cb7a91be
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953625
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953625
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/223f8978-1382-45eb-9ef2-976fd3deb22c.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/223f8978-1382-45eb-9ef2-976fd3deb22c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/223f8978-1382-45eb-9ef2-976fd3deb22c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T11:37:06Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6acde3d1fde6196bf6240d694299d2dc7f51a26eb452e3eb29b33fc0cb7a91be","name":"Olof Thunberg","registered_at":"2026-06-14T08:05:20Z","symbol":"NIM0390265","token_address":"0x753a0324f4209c179495a4fbfc5e18e8f8e5ecc3","type":"artist","uuid":"223f8978-1382-45eb-9ef2-976fd3deb22c"}
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 0x6acde3d1fde6196bf6240d694299d2dc7f51a26eb452e3eb29b33fc0cb7a91be. Chain 2 (Bitcoin): anchored in block 953625 (2026-06-14T11:37:06Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/223f8978-1382-45eb-9ef2-976fd3deb22c.json and https://artists.proofprofile.net/proofs/artist/223f8978-1382-45eb-9ef2-976fd3deb22c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T11:37:06Z
  text: {"copyright_id":"0x6acde3d1fde6196bf6240d694299d2dc7f51a26eb452e3eb29b33fc0cb7a91be","name":"Olof Thunberg","registered_at":"2026-06-14T08:05:20Z","symbol":"NIM0390265","token_address":"0x753a0324f4209c179495a4fbfc5e18e8f8e5ecc3","type":"artist","uuid":"223f8978-1382-45eb-9ef2-976fd3deb22c"}