Two of Hearts
type: MusicGroup
description: The two of hearts is a playing card in the standard 52-card deck. Two of Hearts also refer to: Two of Hearts (film), a 1999 television film "Two of Hearts" (song), a 1986 song by Stacey Q "Two of
popularity: 2
followers: 207
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x02b82c0efc046df0a35b4fab58f403265db3d5149a41d46ee0788a7634b0aa4b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954618
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954618
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c92b842b-1b7f-4384-a129-3400f8061d75.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c92b842b-1b7f-4384-a129-3400f8061d75.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c92b842b-1b7f-4384-a129-3400f8061d75
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T23:05:13Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x02b82c0efc046df0a35b4fab58f403265db3d5149a41d46ee0788a7634b0aa4b","name":"Two of Hearts","registered_at":"2026-06-20T22:23:11Z","symbol":"NIM1733044","token_address":"0x06cfeacf33e3a7534128fbffef90f145df58340e","type":"artist","uuid":"c92b842b-1b7f-4384-a129-3400f8061d75"}
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 0x02b82c0efc046df0a35b4fab58f403265db3d5149a41d46ee0788a7634b0aa4b. Chain 2 (Bitcoin): anchored in block 954618 (2026-06-20T23:05:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c92b842b-1b7f-4384-a129-3400f8061d75.json and https://artists.proofprofile.net/proofs/artist/c92b842b-1b7f-4384-a129-3400f8061d75.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T23:05:13Z
  text: {"copyright_id":"0x02b82c0efc046df0a35b4fab58f403265db3d5149a41d46ee0788a7634b0aa4b","name":"Two of Hearts","registered_at":"2026-06-20T22:23:11Z","symbol":"NIM1733044","token_address":"0x06cfeacf33e3a7534128fbffef90f145df58340e","type":"artist","uuid":"c92b842b-1b7f-4384-a129-3400f8061d75"}
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