La Swija
type: MusicGroup
popularity: 14
followers: 4517
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc0587fd47cfc1b61d14ad1efa261478543c4e38315c3988941fdb8b883494019
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953758
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953758
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/afdcb977-adb4-48f8-92dc-f9d62223860b.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/afdcb977-adb4-48f8-92dc-f9d62223860b.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/afdcb977-adb4-48f8-92dc-f9d62223860b
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T07:48:25Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc0587fd47cfc1b61d14ad1efa261478543c4e38315c3988941fdb8b883494019","name":"La Swija","registered_at":"2026-06-14T23:01:02Z","symbol":"NIM0603906","token_address":"0x2d8c74cd2fb5fc51005cab8629c659e72323e605","type":"artist","uuid":"afdcb977-adb4-48f8-92dc-f9d62223860b"}
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 0xc0587fd47cfc1b61d14ad1efa261478543c4e38315c3988941fdb8b883494019. Chain 2 (Bitcoin): anchored in block 953759 (2026-06-15T08:04:42Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/afdcb977-adb4-48f8-92dc-f9d62223860b.json and https://artists.proofprofile.net/proofs/artist/afdcb977-adb4-48f8-92dc-f9d62223860b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T08:04:42Z
  text: {"copyright_id":"0xc0587fd47cfc1b61d14ad1efa261478543c4e38315c3988941fdb8b883494019","name":"La Swija","registered_at":"2026-06-14T23:01:02Z","symbol":"NIM0603906","token_address":"0x2d8c74cd2fb5fc51005cab8629c659e72323e605","type":"artist","uuid":"afdcb977-adb4-48f8-92dc-f9d62223860b"}
album: Des racines et des ailes
  type: MusicAlbum
  date published: 2004-06-16
  track: La Swija
    type: MusicRecording
    duration: PT4M25S
    duration ms: 265400
    explicit: false
    by artist: La Swija
    in album: Des racines et des ailes
      type: MusicAlbum
      date published: 2004-06-16
    isrc code: FR2MX1600030
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T20:31:03+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xae14eb6a0a1169879d1a7493a9273a0b3f41fa5600d8ece99fce354a098e317f
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956857
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956857
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR2MX1600030
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-06T01:26:17Z
    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 0xae14eb6a0a1169879d1a7493a9273a0b3f41fa5600d8ece99fce354a098e317f. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/FR2MX1600030.
      date published: 2026-07-06T01:26:17Z
    audio: La Swija
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 93.03
      additional property: Musical Key
        type: PropertyValue
        value: 6
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.874
      additional property: Energy
        type: PropertyValue
        value: 0.533
      additional property: Speechiness
        type: PropertyValue
        value: 0.371
      additional property: Acousticness
        type: PropertyValue
        value: 0.219
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.145
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.528
      additional property: Loudness (dB)
        type: PropertyValue
        value: -10.459
      additional property: Key Name
        type: PropertyValue
        value: F#
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Au sourire levant
  type: MusicAlbum
  date published: 2009-01-12
  track: Monde des merveilles
    type: MusicRecording
    duration: PT4M45S
    duration ms: 285386
    explicit: false
    by artist: La Swija
    in album: Au sourire levant
      type: MusicAlbum
      date published: 2009-01-12
    isrc code: FR2MX0800020
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-21T06:08:15+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x3be330462a56bc92ed0c57056cf37dfd7135f355631b4ebf5095779e9759d2ff
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958977
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958977
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR2MX0800020
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-21T09:07:43Z
    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 0x3be330462a56bc92ed0c57056cf37dfd7135f355631b4ebf5095779e9759d2ff. Chain 2 (Bitcoin): anchored in block 958977 (2026-07-21T09:07:43Z), 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/FR2MX0800020.
      date published: 2026-07-21T09:07:43Z
    audio: Monde des merveilles
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 130.04
      additional property: Musical Key
        type: PropertyValue
        value: 8
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.706
      additional property: Energy
        type: PropertyValue
        value: 0.724
      additional property: Speechiness
        type: PropertyValue
        value: 0.049
      additional property: Acousticness
        type: PropertyValue
        value: 0.068
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.178
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.703
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
  track: Bienvenue
  track: H.L.M
track: Des nuages de massilia

Des nuages de massilia
type: MusicRecording
duration: PT3M59S
duration ms: 239666
explicit: false
by artist: La Swija
in album: Mixtape Street Skillz, Vol. 1
  type: MusicAlbum
  date published: 2010-04-26
isrc code: FR2MX1000230
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T19:01:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2f6c0cc184a4470360d0565bb1c63a2eb079b10639033c86028a30ac59e29580
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR2MX1000230
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
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
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957124
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:53:27+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 0x2f6c0cc184a4470360d0565bb1c63a2eb079b10639033c86028a30ac59e29580. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/FR2MX1000230.
  date published: 2026-07-08T03:53:27Z
audio: Des nuages de massilia
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.237
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.727
  additional property: Energy
    type: PropertyValue
    value: 0.69
  additional property: Speechiness
    type: PropertyValue
    value: 0.297
  additional property: Acousticness
    type: PropertyValue
    value: 0.188
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.067
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.53
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.169
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Loudness (dB)
type: PropertyValue
value: -6.492

Key Name
type: PropertyValue
value: Ab

Mode Name
type: PropertyValue
value: Minor

Bienvenue
type: MusicRecording
duration: PT3M52S
duration ms: 232466
explicit: false
by artist: La Swija
in album: Au sourire levant
  type: MusicAlbum
  date published: 2009-01-12
isrc code: FR2MX0800030
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-21T00:10:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc45ecdd718ddeda6710411ac77da9e4bb54c63e3e6ff97d4933a3d271170eae4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958945
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958945
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR2MX0800030
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-21T00:35:28Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc45ecdd718ddeda6710411ac77da9e4bb54c63e3e6ff97d4933a3d271170eae4. Chain 2 (Bitcoin): anchored in block 958945 (2026-07-21T00:35:28Z), 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/FR2MX0800030.
  date published: 2026-07-21T00:35:28Z
audio: Bienvenue
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 92.163
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.802
  additional property: Energy
    type: PropertyValue
    value: 0.608
  additional property: Speechiness
    type: PropertyValue
    value: 0.322
  additional property: Acousticness
    type: PropertyValue
    value: 0.697
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.121
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.682
  additional property: Loudness (dB)
    type: PropertyValue
    value: -5.089
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

H.L.M
type: MusicRecording
duration: PT4M15S
duration ms: 255786
explicit: false
by artist: La Swija
in album: Au sourire levant
  type: MusicAlbum
  date published: 2009-01-12
isrc code: FR2MX0800050
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T10:36:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x76496e9619fc69ad6531c7b4de9a38019f398244e2a1d6e391680bd2d37adc78
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956711
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956711
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR2MX0800050
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-04T22:48:52Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76496e9619fc69ad6531c7b4de9a38019f398244e2a1d6e391680bd2d37adc78. Chain 2 (Bitcoin): anchored in block 956711 (2026-07-04T22:48:52Z), 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/FR2MX0800050.
  date published: 2026-07-04T22:48:52Z
audio: H.L.M
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 89.99
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.807
  additional property: Energy
    type: PropertyValue
    value: 0.688
  additional property: Speechiness
    type: PropertyValue
    value: 0.139
  additional property: Acousticness
    type: PropertyValue
    value: 0.442
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.537
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.569
  additional property: Loudness (dB)
    type: PropertyValue
    value: -5.495
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor