Spencer Krug
type: MusicGroup
genre: art rock
description: Spencer Krug ( ) (born May 4, 1977) is a Canadian musician. He is the singer, songwriter and keyboardist for the indie rock band Wolf Parade and has recorded solo under both his own name and the name
popularity: 29
followers: 4494
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x34e4d831e85c6a65cfae0203efc76d09fb1d7542386e910d77c5031bfce0e39a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a7a6cb10-7282-4a04-ab91-eea0e703f096.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a7a6cb10-7282-4a04-ab91-eea0e703f096.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/a7a6cb10-7282-4a04-ab91-eea0e703f096
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x34e4d831e85c6a65cfae0203efc76d09fb1d7542386e910d77c5031bfce0e39a","name":"Spencer Krug","registered_at":"2026-06-12T06:38:00Z","symbol":"NIM0216617","token_address":"0x42634898413cd014a7d0fa51b633712d7b88e3fe","type":"artist","uuid":"a7a6cb10-7282-4a04-ab91-eea0e703f096"}
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 0x34e4d831e85c6a65cfae0203efc76d09fb1d7542386e910d77c5031bfce0e39a. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a7a6cb10-7282-4a04-ab91-eea0e703f096.json and https://artists.proofprofile.net/proofs/artist/a7a6cb10-7282-4a04-ab91-eea0e703f096.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:28:13Z
  text: {"copyright_id":"0x34e4d831e85c6a65cfae0203efc76d09fb1d7542386e910d77c5031bfce0e39a","name":"Spencer Krug","registered_at":"2026-06-12T06:38:00Z","symbol":"NIM0216617","token_address":"0x42634898413cd014a7d0fa51b633712d7b88e3fe","type":"artist","uuid":"a7a6cb10-7282-4a04-ab91-eea0e703f096"}
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  type: MusicAlbum
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