Zumer
type: MusicGroup
popularity: 8
followers: 46
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x450fd581e827d9c7cb18c542d8a2c98a7a82c66a2fa991f7a2ec542fe68e9fa7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954346
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954346
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/944194da-bee4-4299-a91c-163be38ca5c4.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/944194da-bee4-4299-a91c-163be38ca5c4.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/944194da-bee4-4299-a91c-163be38ca5c4
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:51:26Z
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 0x450fd581e827d9c7cb18c542d8a2c98a7a82c66a2fa991f7a2ec542fe68e9fa7. Chain 2 (Bitcoin): anchored in block 954346 (2026-06-19T03:51:26Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/944194da-bee4-4299-a91c-163be38ca5c4.json and https://artists.proofprofile.net/proofs/artist/944194da-bee4-4299-a91c-163be38ca5c4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:51:26Z
album: Phonk Hp
  type: MusicAlbum
  date published: 2022-03-07
album: New Score
  type: MusicAlbum
  date published: 2022-06-24
album: Diving
  type: MusicAlbum
  date published: 2022-10-09
album: Where There Is No Hope
  type: MusicAlbum
  date published: 2022-10-10
album: Danger
  type: MusicAlbum
  date published: 2023-01-15
album: Sosaliti
  type: MusicAlbum
  date published: 2023-01-23