Opta
type: MusicGroup
popularity: 4
followers: 43
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x292f37f56a2892a93ab5320e176ea65ff52b35a31891224b4ac9c1c0f339808d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953997
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953997
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/25c1eff3-0b0d-494f-8280-13bda041e91e.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/25c1eff3-0b0d-494f-8280-13bda041e91e.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/25c1eff3-0b0d-494f-8280-13bda041e91e
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T20:07:57Z
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 0x292f37f56a2892a93ab5320e176ea65ff52b35a31891224b4ac9c1c0f339808d. 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/25c1eff3-0b0d-494f-8280-13bda041e91e.json and https://artists.proofprofile.net/proofs/artist/25c1eff3-0b0d-494f-8280-13bda041e91e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T20:07:57Z
album: 110621
  type: MusicAlbum
  date published: 2021-11-05
album: Kaleidoskop
  type: MusicAlbum
  date published: 2022-04-01
album: Fensterplatz – Single
  type: MusicAlbum
  date published: 2022-04-22
album: Lifestyle Dembélé
  type: MusicAlbum
  date published: 2022-06-10
album: Ed von Schleck
  type: MusicAlbum
  date published: 2022-09-02
album: Naketano
  type: MusicAlbum
  date published: 2022-09-30
album: Festhalten
  type: MusicAlbum
  date published: 2022-11-11
album: Keine Geschenke
  type: MusicAlbum
  date published: 2022-12-16
album: Kuscheln
  type: MusicAlbum
  date published: 2023-03-10
album: Stieberfieber (Opta Anthem)
  type: MusicAlbum
  date published: 2024-02-09
album: Kussmund
  type: MusicAlbum
  date published: 2024-05-31
album: Flieder
  type: MusicAlbum
  date published: 2024-06-21
album: manchmadenkichanmich
  type: MusicAlbum
  date published: 2024-12-06
album: festhalten (remasterd)
  type: MusicAlbum
  date published: 2024-12-13
album: optalove
  type: MusicAlbum
  date published: 2025-02-21