MC KOSMA
type: MusicGroup
popularity: 6
followers: 45
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb718bf3067a1d268de75633c570b53c5de19f22b2e488680627e35759aab3143
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954569
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954569
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b271a0a1-9bd1-426b-a812-97beed2d0dab.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b271a0a1-9bd1-426b-a812-97beed2d0dab.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b271a0a1-9bd1-426b-a812-97beed2d0dab
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T14:36:29Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb718bf3067a1d268de75633c570b53c5de19f22b2e488680627e35759aab3143","name":"MC KOSMA","registered_at":"2026-06-20T12:56:16Z","symbol":"NIM1617636","token_address":"0xa12f1322dd97d595838b29963bb1a137c42b351a","type":"artist","uuid":"b271a0a1-9bd1-426b-a812-97beed2d0dab"}
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb718bf3067a1d268de75633c570b53c5de19f22b2e488680627e35759aab3143. Chain 2 (Bitcoin): anchored in block 954569 (2026-06-20T14:36:29Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b271a0a1-9bd1-426b-a812-97beed2d0dab.json and https://artists.proofprofile.net/proofs/artist/b271a0a1-9bd1-426b-a812-97beed2d0dab.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T14:36:29Z
  text: {"copyright_id":"0xb718bf3067a1d268de75633c570b53c5de19f22b2e488680627e35759aab3143","name":"MC KOSMA","registered_at":"2026-06-20T12:56:16Z","symbol":"NIM1617636","token_address":"0xa12f1322dd97d595838b29963bb1a137c42b351a","type":"artist","uuid":"b271a0a1-9bd1-426b-a812-97beed2d0dab"}
album: Молиться
  type: MusicAlbum
  date published: 2016-12-25
album: Спас
  type: MusicAlbum
  date published: 2017-03-20
album: Love Is
  type: MusicAlbum
  date published: 2017-09-21
album: Doshirak
  type: MusicAlbum
  date published: 2017-12-08
album: Chudotvornaya Ladoshka
  type: MusicAlbum
  date published: 2017-12-14
album: Voyna
  type: MusicAlbum
  date published: 2018-02-23
album: Alko Sapiens
  type: MusicAlbum
  date published: 2018-10-28
album: God in Rap
  type: MusicAlbum
  date published: 2018-12-06
album: Neveru
  type: MusicAlbum
  date published: 2019-02-25
  track: Neveru
    type: MusicRecording
    duration: PT2M48S
    duration ms: 168240
    explicit: true
    by artist: MC KOSMA
    in album: Neveru
      type: MusicAlbum
      date published: 2019-02-25
    isrc code: TCAJI2508015
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T16:38:56+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x5fc1320e4ac9e44d04e578435cb723f5e1e9893ffc7b172ba09e574d21c29cd1
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956545
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956545
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAJI2508015
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T19:59:51Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 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. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5fc1320e4ac9e44d04e578435cb723f5e1e9893ffc7b172ba09e574d21c29cd1. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAJI2508015.
      date published: 2026-07-03T19:59:51Z
    audio: Neveru
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 98.012
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.774
      additional property: Energy
        type: PropertyValue
        value: 0.673
      additional property: Speechiness
        type: PropertyValue
        value: 0.072
      additional property: Acousticness
        type: PropertyValue
        value: 0.757
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.08
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.734
      additional property: Loudness (dB)
        type: PropertyValue
        value: -6.249
      additional property: Key Name
        type: PropertyValue
        value: A
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Pnhd
  type: MusicAlbum
  date published: 2020-12-12
album: Trumputo
  type: MusicAlbum
  date published: 2025-02-28