15 15
type: MusicGroup
popularity: 21
followers: 5386
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcde59e8405ab9ce54f2f4eebcc6450db50a6df539cc2f3ce7c0ece1a88f9a8a4
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/8500872e-77ee-49ca-93d0-fabb8ce4a12e.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8500872e-77ee-49ca-93d0-fabb8ce4a12e.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/8500872e-77ee-49ca-93d0-fabb8ce4a12e
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xcde59e8405ab9ce54f2f4eebcc6450db50a6df539cc2f3ce7c0ece1a88f9a8a4","name":"15 15","registered_at":"2026-06-12T03:27:18Z","symbol":"NIM0172820","token_address":"0x08aa84b29e167b27cc6c94115eeb4b08e10fce2a","type":"artist","uuid":"8500872e-77ee-49ca-93d0-fabb8ce4a12e"}
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 0xcde59e8405ab9ce54f2f4eebcc6450db50a6df539cc2f3ce7c0ece1a88f9a8a4. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8500872e-77ee-49ca-93d0-fabb8ce4a12e.json and https://artists.proofprofile.net/proofs/artist/8500872e-77ee-49ca-93d0-fabb8ce4a12e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
  text: {"copyright_id":"0xcde59e8405ab9ce54f2f4eebcc6450db50a6df539cc2f3ce7c0ece1a88f9a8a4","name":"15 15","registered_at":"2026-06-12T03:27:18Z","symbol":"NIM0172820","token_address":"0x08aa84b29e167b27cc6c94115eeb4b08e10fce2a","type":"artist","uuid":"8500872e-77ee-49ca-93d0-fabb8ce4a12e"}
album: Nevaneva
  type: MusicAlbum
  date published: 2018-10-24
album: Le Jeune
  type: MusicAlbum
  date published: 2020-09-30
album: Le Jeune
  type: MusicAlbum
  date published: 2020-09-30
album: Le Jeune
  type: MusicAlbum
  date published: 2020-09-30
  track: Le Jeune
    type: MusicRecording
    duration: PT3M59S
    duration ms: 239253
    explicit: false
    by artist: 15 15
    in album: Le Jeune
      type: MusicAlbum
      date published: 2020-09-30
    isrc code: UKXN21946467
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-13T15:26:26+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x3eb64f8db7abfdb9f52360aa6db56020db007b01c2080f57fec97409922506f7
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 957872
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/957872
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UKXN21946467
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-13T15:39:45Z
    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 0x3eb64f8db7abfdb9f52360aa6db56020db007b01c2080f57fec97409922506f7. Chain 2 (Bitcoin): anchored in block 957872 (2026-07-13T15:39:45Z), 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/UKXN21946467.
      date published: 2026-07-13T15:39:45Z
    audio: Le Jeune
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 124.876
      additional property: Musical Key
        type: PropertyValue
        value: 0
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 5
      additional property: Danceability
        type: PropertyValue
        value: 0.632
      additional property: Energy
        type: PropertyValue
        value: 0.518
      additional property: Speechiness
        type: PropertyValue
        value: 0.466
      additional property: Acousticness
        type: PropertyValue
        value: 0.23
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.002
      additional property: Liveness
        type: PropertyValue
        value: 0.109
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.676
      additional property: Loudness (dB)
        type: PropertyValue
        value: -8.685
      additional property: Key Name
        type: PropertyValue
        value: C
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Bolero (Edit)
  type: MusicAlbum
  date published: 2020-12-01
album: Le Jeune
  type: MusicAlbum
  date published: 2020-12-02
album: Le Jeune
  type: MusicAlbum
  date published: 2020-12-02
album: Le Jeune
  type: MusicAlbum
  date published: 2020-12-02
album: Bolero (DJ Deep Remix)
  type: MusicAlbum
  date published: 2021-01-15
album: Bolero (Florentino Remix)
  type: MusicAlbum
  date published: 2021-02-12
album: Bolero (Teno Afrika Amapiano Remix)
  type: MusicAlbum
  date published: 2021-02-26
album: Vega
  type: MusicAlbum
  date published: 2021-06-30
album: Vega
  type: MusicAlbum
  date published: 2021-06-30
album: Vega
  type: MusicAlbum
  date published: 2021-06-30
album: Le Jeune - Remixes
  type: MusicAlbum
  date published: 2021-09-10
album: Le Jeune (Remixes)
  type: MusicAlbum
  date published: 2021-09-10
album: Le Jeune (Remixes)
  type: MusicAlbum
  date published: 2021-09-10
album: Le Bleu
  type: MusicAlbum
  date published: 2021-11-25
  track: Le Bleu
    type: MusicRecording
    duration: PT3M13S
    duration ms: 193893
    explicit: false
    by artist: 15 15
    in album: Le Bleu
      type: MusicAlbum
      date published: 2021-11-25
    isrc code: FR9W12136166
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-19T09:01:53+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xca94e54acf028acfa977de25f585be3aa9febafcb0bf6780d41387a217698b15
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958711
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958711
    additional property: OTSVerificationAPI
    additional property: OTSTimestamp
    additional property: OTSVerifyInstructions
    subject of: OpenTimestamps Proof of Existence
    audio: Le Bleu
album: Muse
album: VĀRUA
album: Reuts
album: Kodek
album: Perfect Heaven
album: That Boom
album: Ataheva
album: Baon
album: SAPLIN
album: āfa
track: Loneliness on the run - QuinzeQuinze Remix

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W12136166

OTSTimestamp
type: PropertyValue
value: 2026-07-19T09:26:32Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca94e54acf028acfa977de25f585be3aa9febafcb0bf6780d41387a217698b15. Chain 2 (Bitcoin): anchored in block 958711 (2026-07-19T09:26:32Z), 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/FR9W12136166.
date published: 2026-07-19T09:26:32Z

Le Bleu
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 166.238
additional property: Musical Key
  type: PropertyValue
  value: 2
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.413
additional property: Energy
  type: PropertyValue
  value: 0.344
additional property: Speechiness
  type: PropertyValue
  value: 0.232
additional property: Acousticness
  type: PropertyValue
  value: 0.566
additional property: Instrumentalness
  type: PropertyValue
  value: 0.639
additional property: Liveness
  type: PropertyValue
  value: 0.099
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.403
additional property: Loudness (dB)
  type: PropertyValue
  value: -12.782
additional property: Key Name
  type: PropertyValue
  value: D
additional property: Mode Name
  type: PropertyValue
  value: Major

Le Bleu
type: MusicAlbum
date published: 2021-11-25

Le Bleu
type: MusicAlbum
date published: 2021-11-25
track: Le Bleu
  type: MusicRecording
  duration: PT3M13S
  duration ms: 193893
  explicit: false
  by artist: 15 15
  in album: Le Bleu
    type: MusicAlbum
    date published: 2021-11-25
  isrc code: FR9W12136166
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xca94e54acf028acfa977de25f585be3aa9febafcb0bf6780d41387a217698b15
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958867
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958867
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W12136166
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T11:08:30Z
  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 0xca94e54acf028acfa977de25f585be3aa9febafcb0bf6780d41387a217698b15. Chain 2 (Bitcoin): anchored in block 958867 (2026-07-20T11:08:30Z), 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/FR9W12136166.
    date published: 2026-07-20T11:08:30Z
  audio: Le Bleu
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 166.194
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.413
    additional property: Energy
      type: PropertyValue
      value: 0.341
    additional property: Speechiness
      type: PropertyValue
      value: 0.235
    additional property: Acousticness
      type: PropertyValue
      value: 0.564
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.616
    additional property: Liveness
      type: PropertyValue
      value: 0.098
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.393
    additional property: Loudness (dB)
      type: PropertyValue
      value: -12.786
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major

Muse
type: MusicAlbum
date published: 2022-01-14

Muse
type: MusicAlbum
date published: 2022-01-14

Muse
type: MusicAlbum
date published: 2022-01-14

VĀRUA
type: MusicAlbum
date published: 2022-01-28

VĀRUA
type: MusicAlbum
date published: 2022-01-28

VĀRUA
type: MusicAlbum
date published: 2022-01-28

Reuts
type: MusicAlbum
date published: 2022-11-16

Reuts
type: MusicAlbum
date published: 2022-11-16
track: Reuts
  type: MusicRecording
  duration: PT5M26S
  duration ms: 326622
  explicit: false
  by artist: 15 15
  in album: Reuts
    type: MusicAlbum
    date published: 2022-11-16
  isrc code: FR9W12243315
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T00:17:25+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3b68cf69ae79dd54a51c186ab212930261c3fd74dde1e72e0bb1cbf952313dc1
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958631
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958631
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W12243315
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T00:50:09Z
  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 0x3b68cf69ae79dd54a51c186ab212930261c3fd74dde1e72e0bb1cbf952313dc1. Chain 2 (Bitcoin): anchored in block 958631 (2026-07-19T00:50:09Z), 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/FR9W12243315.
    date published: 2026-07-19T00:50:09Z
  audio: Reuts
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 120.062
    additional property: Musical Key
      type: PropertyValue
      value: 1
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.597
    additional property: Energy
      type: PropertyValue
      value: 0.508
    additional property: Speechiness
      type: PropertyValue
      value: 0.409
    additional property: Acousticness
      type: PropertyValue
      value: 0.068
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.007
    additional property: Liveness
      type: PropertyValue
      value: 0.024
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.566
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.381
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Major

Reuts
type: MusicAlbum
date published: 2022-11-16

Kodek
type: MusicAlbum
date published: 2023-06-08

Perfect Heaven
type: MusicAlbum
date published: 2023-09-13
track: Perfect Heaven
  type: MusicRecording
  duration: PT3M21S
  duration ms: 201080
  explicit: false
  by artist: 15 15
  in album: Perfect Heaven
    type: MusicAlbum
    date published: 2023-09-13
  isrc code: GBBKS2300184
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T05:13:58+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x1ef7c49ea1e45583c353521154085b5b44dbc6eeb01d2bcc6f52e56c37011e46
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956634
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956634
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBKS2300184
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-04T10:04:33Z
  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 0x1ef7c49ea1e45583c353521154085b5b44dbc6eeb01d2bcc6f52e56c37011e46. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/GBBKS2300184.
    date published: 2026-07-04T10:04:33Z
  audio: Perfect Heaven
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 80.03
    additional property: Musical Key
      type: PropertyValue
      value: 6
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.619
    additional property: Energy
      type: PropertyValue
      value: 0.438
    additional property: Speechiness
      type: PropertyValue
      value: 0.191
    additional property: Acousticness
      type: PropertyValue
      value: 0.234
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.135
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.631
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.901
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Major

That Boom
type: MusicAlbum
date published: 2023-10-12
track: That Boom
  type: MusicRecording
  duration: PT3M20S
  duration ms: 200417
  explicit: false
  by artist: 15 15
  in album: That Boom
    type: MusicAlbum
    date published: 2023-10-12
  isrc code: GBBKS2300188
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-29T07:25:43+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xdf7f2e3432c649e5421b680d1c546139e8dc9fd445faea1e3ea5767d49716799
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956375
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956375
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBKS2300188
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T16:51:38Z
  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 0xdf7f2e3432c649e5421b680d1c546139e8dc9fd445faea1e3ea5767d49716799. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/GBBKS2300188.
    date published: 2026-07-02T16:51:38Z
  audio: That Boom
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 77.55
    additional property: Musical Key
      type: PropertyValue
      value: 10
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.432
    additional property: Energy
      type: PropertyValue
      value: 0.557
    additional property: Speechiness
      type: PropertyValue
      value: 0.45
    additional property: Acousticness
      type: PropertyValue
      value: 0.27
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.021
    additional property: Liveness
      type: PropertyValue
      value: 0.251
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.449
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.179
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Ataheva
type: MusicAlbum
date published: 2023-11-03
track: Paradisio
  type: MusicRecording
  duration: PT4M17S
  duration ms: 257070
  explicit: false
  by artist: 15 15
  in album: Ataheva
    type: MusicAlbum
    date published: 2023-11-03
  isrc code: GBBKS2300186
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-21T05:05:20+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5fa61186b21e52221d43e968bab01134fc3dac787ec3c7608a38a93ccffd64eb
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958975
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958975
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBKS2300186
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-21T06:12:52Z
  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 0x5fa61186b21e52221d43e968bab01134fc3dac787ec3c7608a38a93ccffd64eb. Chain 2 (Bitcoin): anchored in block 958975 (2026-07-21T06:12:52Z), 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/GBBKS2300186.
    date published: 2026-07-21T06:12:52Z
  audio: Paradisio
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 103.554
    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: 0.562
    additional property: Energy
      type: PropertyValue
      value: 0.456
    additional property: Speechiness
      type: PropertyValue
      value: 0.156
    additional property: Acousticness
      type: PropertyValue
      value: 0.648
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.633
    additional property: Liveness
      type: PropertyValue
      value: 0.094
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.587
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.665
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Baon
type: MusicAlbum
date published: 2024-03-21
track: Baon
  type: MusicRecording
  duration: PT2M55S
  duration ms: 175559
  explicit: false
  by artist: 15 15
  in album: Baon
    type: MusicAlbum
    date published: 2024-03-21
  isrc code: GBBKS2400060
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T13:03:27+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe7665ea48457918a5dfde5e0fba330dabcfa621d38c59dceab8a37817ef46e59
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956822
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956822
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBKS2400060
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T18:48:28Z
  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 0xe7665ea48457918a5dfde5e0fba330dabcfa621d38c59dceab8a37817ef46e59. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/GBBKS2400060.
    date published: 2026-07-05T18:48:28Z
  audio: Baon
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 111.259
    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: 0.707
    additional property: Energy
      type: PropertyValue
      value: 0.521
    additional property: Speechiness
      type: PropertyValue
      value: 0.173
    additional property: Acousticness
      type: PropertyValue
      value: 0.386
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.127
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.679
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.183
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major

SAPLIN
type: MusicAlbum
date published: 2024-04-26
track: Rafale
  type: MusicRecording
  duration: PT2M57S
  duration ms: 177569
  explicit: false
  by artist: 15 15
  in album: SAPLIN
    type: MusicAlbum
    date published: 2024-04-26
  isrc code: GBBKS2400062
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T12:19:22+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x082564811a44d5471e1a2895c9f5a3a2ccc0180059071bfa3522d9e56a13907a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958547
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958547
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBKS2400062
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T12:44:05Z
  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 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 0x082564811a44d5471e1a2895c9f5a3a2ccc0180059071bfa3522d9e56a13907a. Chain 2 (Bitcoin): anchored in block 958547 (2026-07-18T12:44:05Z), 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/GBBKS2400062.
    date published: 2026-07-18T12:44:05Z
  audio: Rafale
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 100.998
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.629
    additional property: Energy
      type: PropertyValue
      value: 0.554
    additional property: Speechiness
      type: PropertyValue
      value: 0.196
    additional property: Acousticness
      type: PropertyValue
      value: 0.076
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.05
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.513
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.497
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Minor

āfa
type: MusicAlbum
date published: 2025-06-12

Loneliness on the run - QuinzeQuinze Remix
type: MusicRecording
duration: PT2M55S
duration ms: 175284
explicit: false
by artist: Metronomy
by artist: 15 15
in album: Loneliness on the run (QuinzeQuinze Remix)
  type: MusicAlbum
  date published: 2022-04-08
genre: indietronica
genre: neo-synthpop
genre: electronica
genre: alternative-dance
genre: french-indie-pop
genre: new-rave
genre: socal-pop-punk
isrc code: GBMVH2200580
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T02:02:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2273f830b906fdbb8128cf0707e6dd2c2828c305dd5ba1d3e1d5254a3fd8c4ba
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960199
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960199
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBMVH2200580
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T02:30:29Z
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 0x2273f830b906fdbb8128cf0707e6dd2c2828c305dd5ba1d3e1d5254a3fd8c4ba. Chain 2 (Bitcoin): anchored in block 960199 (2026-07-30T02:30:29Z), 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/GBMVH2200580.
  date published: 2026-07-30T02:30:29Z
audio: Loneliness on the run - QuinzeQuinze Remix
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 169.536
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.472
  additional property: Energy
    type: PropertyValue
    value: 0.575
  additional property: Speechiness
    type: PropertyValue
    value: 0.214
  additional property: Acousticness
    type: PropertyValue
    value: 0.032
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.089
  additional property: Liveness
    type: PropertyValue
    value: 0.319
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.387
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.266
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor