Ska'n'Ska
type: MusicGroup
genre: ska
genre: ska punk
popularity: 12
followers: 2840
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 953657
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953657
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4d082f3f-de8e-41f0-be52-91926689480e.ots
additional property: OTSRecordURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/4d082f3f-de8e-41f0-be52-91926689480e
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T16:43:25Z
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 0xe949a3a67386ba9731acb23a9beec041651aec3cf647970c3d52625c7d71ad80. Chain 2 (Bitcoin): anchored in block 953657 (2026-06-14T16:43:25Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4d082f3f-de8e-41f0-be52-91926689480e.json and https://artists.proofprofile.net/proofs/artist/4d082f3f-de8e-41f0-be52-91926689480e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T16:43:25Z
album: Gunshot Fanfare
  type: MusicAlbum
  date published: 2010-02-12
  track: Gunshot
    type: MusicRecording
    duration: PT2M47S
    duration ms: 167758
    explicit: false
    by artist: Ska'n'Ska
    in album: Gunshot Fanfare
      type: MusicAlbum
      date published: 2010-02-12
    genre: ska
    genre: ska punk
    isrc code: SEY5C1000102
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T02:04:30+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xbb40b637cb4ff581d49ddd3569b6f687cafbf4027d7e8c115030d7ec98b2cac0
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956639
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956639
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEY5C1000102
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-04T11:19:20Z
    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 0xbb40b637cb4ff581d49ddd3569b6f687cafbf4027d7e8c115030d7ec98b2cac0. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/SEY5C1000102.
      date published: 2026-07-04T11:19:20Z
    audio: Gunshot
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 170.035
      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: 0.609
      additional property: Energy
        type: PropertyValue
        value: 0.948
      additional property: Speechiness
        type: PropertyValue
        value: 0.281
      additional property: Acousticness
        type: PropertyValue
        value: 0.083
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.317
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.68
      additional property: Loudness (dB)
        type: PropertyValue
        value: -3.636
      additional property: Key Name
        type: PropertyValue
        value: D
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Gunshot Fanfare
  type: MusicAlbum
  date published: 2010-02-12
album: Gunshot Fanfare
  type: MusicAlbum
  date published: 2010-05-04
album: Gunshot Fanfare
  type: MusicAlbum
  date published: 2010-05-04
album: Money
  type: MusicAlbum
  date published: 2012-03-24
album: Money
  type: MusicAlbum
  date published: 2012-03-24
album: Money
  type: MusicAlbum
  date published: 2012-03-24
album: Money
  type: MusicAlbum
  date published: 2012-03-24
album: Krama träd
  type: MusicAlbum
  date published: 2014-04-30
  track: Krama träd
    type: MusicRecording
    duration: PT4M22S
    duration ms: 262002
    explicit: false
    by artist: Ska'n'Ska
    in album: Krama träd
      type: MusicAlbum
      date published: 2014-04-30
    genre: ska
    genre: ska punk
    isrc code: SEUM71400866
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-19T14:47:26+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x3bdb15ec08ffee348a89df94326eefebd8ee93ba726310b82464bced9615e40a
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958746
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958746
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEUM71400866
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T17:50:58Z
    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 0x3bdb15ec08ffee348a89df94326eefebd8ee93ba726310b82464bced9615e40a. Chain 2 (Bitcoin): anchored in block 958746 (2026-07-19T17:50:58Z), 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/SEUM71400866.
      date published: 2026-07-19T17:50:58Z
    audio: Krama träd
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 129.974
      additional property: Musical Key
        type: PropertyValue
        value: 11
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
      additional property: Danceability
      additional property: Energy
      additional property: Speechiness
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: We See Them Go
album: A-Team
album: Boom
album: Tvätta Händerna
album: Här på Norra Stå
album: Canción del Mariachi
album: DE VA DÅ
album: SKA på svenska

Time Signature
type: PropertyValue
value: 4

Danceability
type: PropertyValue
value: 0.653

Energy
type: PropertyValue
value: 0.848

Speechiness
type: PropertyValue
value: 0.083

Acousticness
type: PropertyValue
value: 0.137

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.192

Valence (Positivity)
type: PropertyValue
value: 0.899

Loudness (dB)
type: PropertyValue
value: -3.97

Key Name
type: PropertyValue
value: B

Mode Name
type: PropertyValue
value: Minor

We See Them Go
type: MusicAlbum
date published: 2016-03-21

A-Team
type: MusicAlbum
date published: 2016-07-08

A-Team
type: MusicAlbum
date published: 2016-07-08

Boom
type: MusicAlbum
date published: 2018-06-29

Boom
type: MusicAlbum
date published: 2018-06-29

Tvätta Händerna
type: MusicAlbum
date published: 2020-11-27

Här på Norra Stå
type: MusicAlbum
date published: 2021-11-26
track: Här på Norra Stå
  type: MusicRecording
  duration: PT4M2S
  duration ms: 242462
  explicit: true
  by artist: Ska'n'Ska
  in album: Här på Norra Stå
    type: MusicAlbum
    date published: 2021-11-26
  genre: ska
  genre: ska punk
  isrc code: SE62M2100556
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-13T18:19:39+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb22870fde420b3c6c4674cadd0dced057ca15d62171b3d6bf9bab4316da1d6d7
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957899
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957899
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SE62M2100556
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-13T19:36:39Z
  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 0xb22870fde420b3c6c4674cadd0dced057ca15d62171b3d6bf9bab4316da1d6d7. Chain 2 (Bitcoin): anchored in block 957899 (2026-07-13T19:36:39Z), 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/SE62M2100556.
    date published: 2026-07-13T19:36:39Z
  audio: Här på Norra Stå
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 169.969
    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: 0.55
    additional property: Energy
      type: PropertyValue
      value: 0.942
    additional property: Speechiness
      type: PropertyValue
      value: 0.178
    additional property: Acousticness
      type: PropertyValue
      value: 0.052
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.34
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.721
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.15
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Canción del Mariachi
type: MusicAlbum
date published: 2022-02-14

DE VA DÅ
type: MusicAlbum
date published: 2023-06-13

SKA på svenska
type: MusicAlbum
date published: 2025-05-02