Kosm
type: MusicGroup
popularity: 6
followers: 30
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9acb6470d85dbe1024fef49a1d50352e34dc20ee96c7e46ccdd2f517b21145a0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953958
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953958
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2706ce30-407b-4e28-b9f6-e93073a54bc0.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2706ce30-407b-4e28-b9f6-e93073a54bc0.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/2706ce30-407b-4e28-b9f6-e93073a54bc0
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T14:52:44Z
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 0x9acb6470d85dbe1024fef49a1d50352e34dc20ee96c7e46ccdd2f517b21145a0. Chain 2 (Bitcoin): anchored in block 954014 (2026-06-16T22:46:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2706ce30-407b-4e28-b9f6-e93073a54bc0.json and https://artists.proofprofile.net/proofs/artist/2706ce30-407b-4e28-b9f6-e93073a54bc0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T22:46:20Z
album: Paysan Breton (1 Million Version)
  type: MusicAlbum
  date published: 2016
album: Blue
  type: MusicAlbum
  date published: 2018-11-01
album: Odyssey
  type: MusicAlbum
  date published: 2019-10-01
album: Welle
  type: MusicAlbum
  date published: 2019-12-09
album: Random Paths
  type: MusicAlbum
  date published: 2019-12-16
album: The Initial Travel
  type: MusicAlbum
  date published: 2020-03-27
album: Ask Yourself
  type: MusicAlbum
  date published: 2022
album: Moon
  type: MusicAlbum
  date published: 2022
album: Dissociate OG
  type: MusicAlbum
  date published: 2022-11-28
album: Normandie Lag
  type: MusicAlbum
  date published: 2023
album: Horizon
  type: MusicAlbum
  date published: 2023
album: Escape
  type: MusicAlbum
  date published: 2024-03-20
album: Journey
  type: MusicAlbum
  date published: 2024-03-21
album: Atmosphere
  type: MusicAlbum
  date published: 2024-03-25
album: Synthesis
  type: MusicAlbum
  date published: 2024-06-02
album: Some piano improvisation while the birds sings outside
  type: MusicAlbum
  date published: 2024-07-03
album: Kosm - Utopia
  type: MusicAlbum
  date published: 2024-12-22
album: Kosm - Inner Calm
  type: MusicAlbum
  date published: 2024-12-22
album: Kosm - Ocre
  type: MusicAlbum
  date published: 2025-07-23
album: Leaf
  type: MusicAlbum
  date published: 2025-07-31