Prefekt
type: MusicGroup
popularity: 24
followers: 4120
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0a2883ffa5a9563841bfc0614d70707dd4aa6da678c281b0edb73003b2ce7d01
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/325b9af1-8376-4e96-9adb-d92e1feebd50.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/325b9af1-8376-4e96-9adb-d92e1feebd50.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/325b9af1-8376-4e96-9adb-d92e1feebd50
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
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 0x0a2883ffa5a9563841bfc0614d70707dd4aa6da678c281b0edb73003b2ce7d01. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/325b9af1-8376-4e96-9adb-d92e1feebd50.json and https://artists.proofprofile.net/proofs/artist/325b9af1-8376-4e96-9adb-d92e1feebd50.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T21:20:00Z
album: Chronic
  type: MusicAlbum
  date published: 2014-09-25
album: Martini
  type: MusicAlbum
  date published: 2014-10-13
album: Requiem
  type: MusicAlbum
  date published: 2014-11-24
album: Jovian EP
  type: MusicAlbum
  date published: 2015-02-02
album: I See Space
  type: MusicAlbum
  date published: 2015-03-30
album: Eclipse
  type: MusicAlbum
  date published: 2015-06-11
album: Starstruck
  type: MusicAlbum
  date published: 2015-09-15
album: Move Me Tonight
  type: MusicAlbum
  date published: 2015-09-28
album: Time Shift
  type: MusicAlbum
  date published: 2015-11-09
album: Numb (feat. Johnning)
  type: MusicAlbum
  date published: 2015-12-03
album: Ignite
  type: MusicAlbum
  date published: 2016-03-10
album: Discharge
  type: MusicAlbum
  date published: 2016-08-14
  track: Discharge
    type: MusicRecording
    duration: PT3M30S
    duration ms: 210000
    explicit: false
    by artist: Prefekt
    in album: Discharge
      type: MusicAlbum
      date published: 2016-08-14
    isrc code: SEJMR1790010
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T21:16:59+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x0cd2982f870605842fc2a9ab56e4b2dbdb8ba1241dfb601414d12f7372f06267
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956856
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956856
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEJMR1790010
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-06T01:25:57Z
    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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0cd2982f870605842fc2a9ab56e4b2dbdb8ba1241dfb601414d12f7372f06267. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/SEJMR1790010.
      date published: 2026-07-06T01:25:57Z
    audio: Discharge
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 128.083
      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: 0.682
      additional property: Energy
        type: PropertyValue
        value: 0.618
      additional property: Speechiness
        type: PropertyValue
        value: 0.136
      additional property: Acousticness
        type: PropertyValue
        value: 0.041
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.049
      additional property: Liveness
        type: PropertyValue
        value: 0.1
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.308
      additional property: Loudness (dB)
        type: PropertyValue
        value: -3.719
      additional property: Key Name
        type: PropertyValue
        value: A
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Discharge
  type: MusicAlbum
  date published: 2016-08-14
album: Seasons
  type: MusicAlbum
  date published: 2017-03-24
album: Rose Tinted
  type: MusicAlbum
  date published: 2017-05-20
album: Sunlight
  type: MusicAlbum
  date published: 2017-07-07
album: Stars
  type: MusicAlbum
  date published: 2017-11-17
album: Stars
  type: MusicAlbum
  date published: 2017-11-17
album: I See You
  type: MusicAlbum
  date published: 2018-08-17
  track: I See You
    type: MusicRecording
    duration: PT3M22S
    duration ms: 202363
    explicit: false
    by artist: Prefekt
    in album: I See You
      type: MusicAlbum
      date published: 2018-08-17
    isrc code: SEJMR2460014
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-11T05:02:05+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x7c7f4ffe324e0198044d7b03d3fd65ef6b2c0b7c8e2df0a590d88291adca1983
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 957526
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/957526
    additional property: OTSVerificationAPI
    additional property: OTSTimestamp
    additional property: OTSVerifyInstructions
    subject of: OpenTimestamps Proof of Existence
    audio: I See You
album: Somewhere over Time
album: Futures
album: Flamingo
album: Out of My Head
album: Figure It Out

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEJMR2460014

OTSTimestamp
type: PropertyValue
value: 2026-07-11T06:03:28Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c7f4ffe324e0198044d7b03d3fd65ef6b2c0b7c8e2df0a590d88291adca1983. Chain 2 (Bitcoin): anchored in block 957526 (2026-07-11T06:03:28Z), 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/SEJMR2460014.
date published: 2026-07-11T06:03:28Z

I See You
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 109.983
additional property: Musical Key
  type: PropertyValue
  value: 4
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.814
additional property: Energy
  type: PropertyValue
  value: 0.728
additional property: Speechiness
  type: PropertyValue
  value: 0.058
additional property: Acousticness
  type: PropertyValue
  value: 0.024
additional property: Instrumentalness
  type: PropertyValue
  value: 0.088
additional property: Liveness
  type: PropertyValue
  value: 0.612
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.962
additional property: Loudness (dB)
  type: PropertyValue
  value: -5.44
additional property: Key Name
  type: PropertyValue
  value: E
additional property: Mode Name
  type: PropertyValue
  value: Minor

I See You
type: MusicAlbum
date published: 2018-08-17

Somewhere over Time
type: MusicAlbum
date published: 2018-10-26

Futures
type: MusicAlbum
date published: 2019-01-25

Flamingo
type: MusicAlbum
date published: 2019-03-01

Out of My Head
type: MusicAlbum
date published: 2019-05-31

Figure It Out
type: MusicAlbum
date published: 2020-02-07

Figure It Out
type: MusicAlbum
date published: 2020-02-07