Sean Grandillo
type: MusicGroup
description: Sean Grandillo (born December 9, 1992) is an American actor, singer and musician, known for his roles as the Voice of Otto in the 2015 Broadway revival of Spring Awakening, Eli Hudson in MTV's horror
popularity: 4
followers: 3304
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1965886a181f04dde7e23a173a9913b0c5d1398fe0d110565aa31d0fa2e4748c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953955
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953955
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/266d26f3-808a-4e46-ba20-7d15690bb64f.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/266d26f3-808a-4e46-ba20-7d15690bb64f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/266d26f3-808a-4e46-ba20-7d15690bb64f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T14:29:53Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1965886a181f04dde7e23a173a9913b0c5d1398fe0d110565aa31d0fa2e4748c","name":"Sean Grandillo","registered_at":"2026-06-16T02:58:13Z","symbol":"NIM0915938","token_address":"0x7658388db0c61e966e1c2d7bfbe9d304152bdf14","type":"artist","uuid":"266d26f3-808a-4e46-ba20-7d15690bb64f"}
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 0x1965886a181f04dde7e23a173a9913b0c5d1398fe0d110565aa31d0fa2e4748c. Chain 2 (Bitcoin): anchored in block 953997 (2026-06-16T20:07:57Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/266d26f3-808a-4e46-ba20-7d15690bb64f.json and https://artists.proofprofile.net/proofs/artist/266d26f3-808a-4e46-ba20-7d15690bb64f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T20:07:57Z
  text: {"copyright_id":"0x1965886a181f04dde7e23a173a9913b0c5d1398fe0d110565aa31d0fa2e4748c","name":"Sean Grandillo","registered_at":"2026-06-16T02:58:13Z","symbol":"NIM0915938","token_address":"0x7658388db0c61e966e1c2d7bfbe9d304152bdf14","type":"artist","uuid":"266d26f3-808a-4e46-ba20-7d15690bb64f"}
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