HeyKids
type: MusicGroup
popularity: 3
followers: 1995
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x59632db6eac35118da33eb7ef05500a1bd5e70e519aed0c3db56ed39ac3d7430
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954784
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954784
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/eee95f93-a89f-4c61-9cb7-688e5e97cc01.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/eee95f93-a89f-4c61-9cb7-688e5e97cc01.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/eee95f93-a89f-4c61-9cb7-688e5e97cc01
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-22T02:53:59Z
additional property: OTSCanonicalRecord
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 0x59632db6eac35118da33eb7ef05500a1bd5e70e519aed0c3db56ed39ac3d7430. Chain 2 (Bitcoin): anchored in block 954784 (2026-06-22T02:53:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/eee95f93-a89f-4c61-9cb7-688e5e97cc01.json and https://artists.proofprofile.net/proofs/artist/eee95f93-a89f-4c61-9cb7-688e5e97cc01.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-22T02:53:59Z
album: Canciones Infantiles
  type: MusicAlbum
  date published: 2017-03-25
album: Canciones Infantiles
  type: MusicAlbum
  date published: 2018-08-04
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  type: MusicAlbum
  date published: 2018-09-20
album: Детски Песни
  type: MusicAlbum
  date published: 2018-09-26
album: Canzoni di Natale
  type: MusicAlbum
  date published: 2018-10-11
album: Piosenki Świąteczne
  type: MusicAlbum
  date published: 2018-10-11
album: Canciones Navideñas
  type: MusicAlbum
  date published: 2018-10-11
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  type: MusicAlbum
  date published: 2018-10-15
album: Boże Narodzenie 2022
  type: MusicAlbum
  date published: 2022-12-24