Starka
type: MusicGroup
description: Starka is a type of distilled alcoholic beverage made from fermented rye mash. Traditionally Starka is made from natural (up to 2 distillations, no rectification) rye spirit and aged in oak barrels wi
popularity: 2
followers: 1
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xff5c9d5ba203a6fcd5820cf64b5b21b3d68a661be33550defa5e6cc1433b6172
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSProofURL
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additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/dc085c8c-0c9c-452d-8ad2-d03fb222efa1.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/dc085c8c-0c9c-452d-8ad2-d03fb222efa1
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T06:14:42Z
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 0xff5c9d5ba203a6fcd5820cf64b5b21b3d68a661be33550defa5e6cc1433b6172. Chain 2 (Bitcoin): anchored in block 954659 (2026-06-21T06:14:42Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/dc085c8c-0c9c-452d-8ad2-d03fb222efa1.json and https://artists.proofprofile.net/proofs/artist/dc085c8c-0c9c-452d-8ad2-d03fb222efa1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T06:14:42Z
track: Harlesden To Stonebridge

Harlesden To Stonebridge
type: MusicRecording
duration: PT3M18S
duration ms: 198031
explicit: false
by artist: K Koke
by artist: Starka
in album: Pure Koke, Vol. 1
  type: MusicAlbum
  date published: 2023-11-29
genre: uk-hip-hop
genre: london-rap
genre: grime
isrc code: QZWFG2357896
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08+00:00
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:55:08+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b85e4f5326b9fac535f0d369ba94578a13cf5f8e48bf1f7f1d0c729d26fd743. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/QZWFG2357896.
  date published: 2026-07-02T11:38:34Z
audio: Harlesden To Stonebridge
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 121.822
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.284
  additional property: Energy
    type: PropertyValue
    value: 0.895
  additional property: Speechiness
    type: PropertyValue
    value: 0.24
  additional property: Acousticness
    type: PropertyValue
    value: 0
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.5
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.382
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.799
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major