Paul Grimstad
type: MusicGroup
description: thumb|Grimstad at Sear Sound in New York, 2025 Paul Grimstad is an American writer, musician, academic and actor. Early life and education Grimstad earned his undergraduate degree from the Universi
popularity: 16
followers: 296
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfed576fa10fcefcb6dec46a1b3632bbad730aeab6946579a6dfaa447b0535f8a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953770
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953770
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/bc521567-49c2-4016-8f2d-c2962260399b.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/bc521567-49c2-4016-8f2d-c2962260399b.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/bc521567-49c2-4016-8f2d-c2962260399b
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T09:50:11Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xfed576fa10fcefcb6dec46a1b3632bbad730aeab6946579a6dfaa447b0535f8a","name":"Paul Grimstad","registered_at":"2026-06-15T00:23:02Z","symbol":"NIM0623483","token_address":"0x91e337b8ef35b856de15736c094b11966a14b196","type":"artist","uuid":"bc521567-49c2-4016-8f2d-c2962260399b"}
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 0xfed576fa10fcefcb6dec46a1b3632bbad730aeab6946579a6dfaa447b0535f8a. Chain 2 (Bitcoin): anchored in block 953770 (2026-06-15T09:50:11Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/bc521567-49c2-4016-8f2d-c2962260399b.json and https://artists.proofprofile.net/proofs/artist/bc521567-49c2-4016-8f2d-c2962260399b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T09:50:11Z
  text: {"copyright_id":"0xfed576fa10fcefcb6dec46a1b3632bbad730aeab6946579a6dfaa447b0535f8a","name":"Paul Grimstad","registered_at":"2026-06-15T00:23:02Z","symbol":"NIM0623483","token_address":"0x91e337b8ef35b856de15736c094b11966a14b196","type":"artist","uuid":"bc521567-49c2-4016-8f2d-c2962260399b"}
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  type: MusicAlbum
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