Sizem
type: MusicGroup
genre: tekno
popularity: 21
followers: 1130
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf6b51fb95a70d9d8f84bb7ffdd646a28b93007963586922e5eb3e90b9faedd6e
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/1c9a7308-35c5-4404-aad6-9af192b447f8.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1c9a7308-35c5-4404-aad6-9af192b447f8.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/1c9a7308-35c5-4404-aad6-9af192b447f8
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 0xf6b51fb95a70d9d8f84bb7ffdd646a28b93007963586922e5eb3e90b9faedd6e. 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/1c9a7308-35c5-4404-aad6-9af192b447f8.json and https://artists.proofprofile.net/proofs/artist/1c9a7308-35c5-4404-aad6-9af192b447f8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T21:20:00Z
album: Zomb Rush
  type: MusicAlbum
  date published: 2011-10-14
album: Energies From Below EP
  type: MusicAlbum
  date published: 2021-12-01
album: Rubber Duck
  type: MusicAlbum
  date published: 2022-01-23
album: The World Is Crying (Extended Mix)
  type: MusicAlbum
  date published: 2022-02-23
album: Tears for humanity
  type: MusicAlbum
  date published: 2022-04-01
album: Tears for Humanity
  type: MusicAlbum
  date published: 2022-04-01
album: Straight Shit
  type: MusicAlbum
  date published: 2022-05-22
album: Sensastyle
  type: MusicAlbum
  date published: 2022-06-29
album: Sensastyle
  type: MusicAlbum
  date published: 2022-06-29
album: Icytwat
  type: MusicAlbum
  date published: 2022-11-05
album: Living This Way
  type: MusicAlbum
  date published: 2023-03-02
  track: Living This Way
    type: MusicRecording
    duration: PT3M58S
    duration ms: 238800
    explicit: true
    by artist: Sizem
    in album: Living This Way
      type: MusicAlbum
      date published: 2023-03-02
    genre: tekno
    isrc code: GBKQU2320441
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T18:47:37+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x6f29e72d8c17dd9a1774d10e9a4daf7d3789cd70353e633c146dbf7688bb69ae
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956551
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956551
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBKQU2320441
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T21:18:05Z
    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 0x6f29e72d8c17dd9a1774d10e9a4daf7d3789cd70353e633c146dbf7688bb69ae. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/GBKQU2320441.
      date published: 2026-07-03T21:18:05Z
    audio: Living This Way
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 75.021
      additional property: Musical Key
        type: PropertyValue
        value: 7
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.574
      additional property: Energy
        type: PropertyValue
        value: 0.996
      additional property: Speechiness
        type: PropertyValue
        value: 0.196
      additional property: Acousticness
        type: PropertyValue
        value: 0.014
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.042
      additional property: Liveness
        type: PropertyValue
        value: 0.249
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.188
      additional property: Loudness (dB)
        type: PropertyValue
        value: -3.838
      additional property: Key Name
        type: PropertyValue
        value: G
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Insomnia
  type: MusicAlbum
  date published: 2023-04-20
album: La mort pour le monde
  type: MusicAlbum
  date published: 2023-07-07
album: Dirty Talk
  type: MusicAlbum
  date published: 2023-11-11
album: Ego Trip
  type: MusicAlbum
  date published: 2024-01-24
album: Keep It Real
  type: MusicAlbum
  date published: 2024-03-23
album: Bangers Reborn, Vol. 1
  type: MusicAlbum
  date published: 2024-10-31
album: Sortez couvert
  type: MusicAlbum
  date published: 2025-04-01
  track: Sortez couvert
    type: MusicRecording
    duration: PT2M56S
    duration ms: 176343
    explicit: true
    by artist: Sizem
    in album: Sortez couvert
      type: MusicAlbum
      date published: 2025-04-01
    genre: tekno
    isrc code: CH6542518044
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-20T01:49:37+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x4f201b375870da1a9c55f78627255e6bbaddef2227915a2963c1cde2cdd0c08e
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958805
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958805
    additional property: OTSVerificationAPI
    additional property: OTSTimestamp
    additional property: OTSVerifyInstructions
    subject of: OpenTimestamps Proof of Existence
    audio: Sortez couvert
album: We Abandoned God
album: Danse!
album: Kick Some Ass
album: Life Without Dreams

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH6542518044

OTSTimestamp
type: PropertyValue
value: 2026-07-20T02:22:58Z

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 0x4f201b375870da1a9c55f78627255e6bbaddef2227915a2963c1cde2cdd0c08e. Chain 2 (Bitcoin): anchored in block 958805 (2026-07-20T02:22:58Z), 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/CH6542518044.
date published: 2026-07-20T02:22:58Z

Sortez couvert
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 159.904
additional property: Musical Key
  type: PropertyValue
  value: 2
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.534
additional property: Energy
  type: PropertyValue
  value: 0.996
additional property: Speechiness
  type: PropertyValue
  value: 0.302
additional property: Acousticness
  type: PropertyValue
  value: 0.001
additional property: Instrumentalness
  type: PropertyValue
  value: 0.003
additional property: Liveness
  type: PropertyValue
  value: 0.097
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.244
additional property: Loudness (dB)
  type: PropertyValue
  value: -1.244
additional property: Key Name
  type: PropertyValue
  value: D
additional property: Mode Name
  type: PropertyValue
  value: Major

We Abandoned God
type: MusicAlbum
date published: 2025-05-29

Danse!
type: MusicAlbum
date published: 2025-09-12

Kick Some Ass
type: MusicAlbum
date published: 2025-10-22

Life Without Dreams
type: MusicAlbum
date published: 2025-11-12