Mats Norrefalk
type: MusicGroup
popularity: 16
followers: 326
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x23de9c0aa22a0f796f20e4f76a97e74262d9f66f786c4e7f490f6dc3ecc80654
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953660
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953660
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/5502dc4b-ab11-468d-9cac-14bfdf585e0f.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/5502dc4b-ab11-468d-9cac-14bfdf585e0f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/5502dc4b-ab11-468d-9cac-14bfdf585e0f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T17:20:01Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x23de9c0aa22a0f796f20e4f76a97e74262d9f66f786c4e7f490f6dc3ecc80654","name":"Mats Norrefalk","registered_at":"2026-06-14T13:24:35Z","symbol":"NIM0466414","token_address":"0x8d7a8c94f88599f820fa931b36294b92e30423f5","type":"artist","uuid":"5502dc4b-ab11-468d-9cac-14bfdf585e0f"}
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 0x23de9c0aa22a0f796f20e4f76a97e74262d9f66f786c4e7f490f6dc3ecc80654. Chain 2 (Bitcoin): anchored in block 953697 (2026-06-14T21:49:28Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5502dc4b-ab11-468d-9cac-14bfdf585e0f.json and https://artists.proofprofile.net/proofs/artist/5502dc4b-ab11-468d-9cac-14bfdf585e0f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T21:49:28Z
  text: {"copyright_id":"0x23de9c0aa22a0f796f20e4f76a97e74262d9f66f786c4e7f490f6dc3ecc80654","name":"Mats Norrefalk","registered_at":"2026-06-14T13:24:35Z","symbol":"NIM0466414","token_address":"0x8d7a8c94f88599f820fa931b36294b92e30423f5","type":"artist","uuid":"5502dc4b-ab11-468d-9cac-14bfdf585e0f"}
album: Alain: Organ Works, Vol. 1
  type: MusicAlbum
  date published: 1997-05-06
album: 4 Hands
  type: MusicAlbum
  date published: 1998-01-01
album: 4 Hands Samborombon I Evert Taubes fotspår
  type: MusicAlbum
  date published: 1999-01-01
album: Incontro
  type: MusicAlbum
  date published: 2002-01-01
album: Incontro
  type: MusicAlbum
  date published: 2002-01-01
album: Underbar en stjärna blid
  type: MusicAlbum
  date published: 2009-11-23
album: Underbar en stjärna blid
  type: MusicAlbum
  date published: 2009-11-23
album: Once Upon a Time
  type: MusicAlbum
  date published: 2011-08-01
album: Once Upon a Time
  type: MusicAlbum
  date published: 2011-08-01
album: Cikoria
  type: MusicAlbum
  date published: 2019-02-13
  track: Cikoria
    type: MusicRecording
    duration: PT2M45S
    duration ms: 165682
    explicit: false
    by artist: Mats Norrefalk
    in album: Cikoria
      type: MusicAlbum
      date published: 2019-02-13
    isrc code: SEVOZ1800201
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T01:50:46+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x2cba1df0f756cb7850bcd2f2cad79a1d09e5c6738f4c5a85a289c6b47bc86998
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956790
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956790
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEVOZ1800201
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T00:26:06Z
    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 0x2cba1df0f756cb7850bcd2f2cad79a1d09e5c6738f4c5a85a289c6b47bc86998. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-20T00:26:06Z), 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/SEVOZ1800201.
      date published: 2026-07-20T00:26:06Z
    audio: Cikoria
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 82.246
      additional property: Musical Key
        type: PropertyValue
        value: 7
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.506
      additional property: Energy
        type: PropertyValue
        value: 0.101
      additional property: Speechiness
        type: PropertyValue
        value: 0.052
      additional property: Acousticness
        type: PropertyValue
        value: 0.969
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.917
      additional property: Liveness
        type: PropertyValue
        value: 0.134
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.319
      additional property: Loudness (dB)
        type: PropertyValue
        value: -20.528
      additional property: Key Name
        type: PropertyValue
        value: G
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Cikoria
  type: MusicAlbum
  date published: 2019-02-13
album: Longe pode estar muito perto
  type: MusicAlbum
  date published: 2019-11-06
album: Longe Pode Estar Muito Perto
  type: MusicAlbum
  date published: 2019-11-06
  track: Longe pode estar muito perto
    type: MusicRecording
    duration: PT4M0S
    duration ms: 240511
    explicit: false
    by artist: Mats Norrefalk
    in album: Longe Pode Estar Muito Perto
      type: MusicAlbum
      date published: 2019-11-06
    isrc code: SEVOZ1900201
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T19:38:50+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xf7b03bf79facbb8bb10470d64db5304ed502b4ddb1a63bc76ba594e235a3a93f
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956738
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956738
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEVOZ1900201
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T04:47:21Z
    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 0xf7b03bf79facbb8bb10470d64db5304ed502b4ddb1a63bc76ba594e235a3a93f. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/SEVOZ1900201.
      date published: 2026-07-05T04:47:21Z
    audio: Longe pode estar muito perto
album: Mi Ventana
album: Mi ventana
album: Amor Suave
album: Welcome

Longe pode estar muito perto
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 104.829
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: 0.5
additional property: Energy
  type: PropertyValue
  value: 0.069
additional property: Speechiness
  type: PropertyValue
  value: 0.068
additional property: Acousticness
  type: PropertyValue
  value: 0.978
additional property: Instrumentalness
  type: PropertyValue
  value: 0.865
additional property: Liveness
  type: PropertyValue
  value: 0.098
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.15
additional property: Loudness (dB)
  type: PropertyValue
  value: -22.11
additional property: Key Name
  type: PropertyValue
  value: A
additional property: Mode Name
  type: PropertyValue
  value: Minor

Longe pode estar muito perto
type: MusicAlbum
date published: 2019-11-06

Cikoria
type: MusicAlbum
date published: 2019-12-03

Mi Ventana
type: MusicAlbum
date published: 2020-06-10

Mi ventana
type: MusicAlbum
date published: 2020-06-10

Amor Suave
type: MusicAlbum
date published: 2020-10-15

Amor Suave
type: MusicAlbum
date published: 2020-10-15

Welcome
type: MusicAlbum
date published: 2023-05-26
track: Welcome
  type: MusicRecording
  duration: PT5M7S
  duration ms: 307162
  explicit: false
  by artist: Mats Norrefalk
  in album: Welcome
    type: MusicAlbum
    date published: 2023-05-26
  isrc code: QZK6N2386544
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T15:27:15+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x1184cb6fb622df47a172dd43226d4c8ff6a03fafbfdb38a54c2e2f6cfc20ea1c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956560
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956560
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6N2386544
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T23:28:02Z
  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 0x1184cb6fb622df47a172dd43226d4c8ff6a03fafbfdb38a54c2e2f6cfc20ea1c. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/QZK6N2386544.
    date published: 2026-07-03T23:28:02Z
  audio: Welcome
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 117.048
    additional property: Musical Key
      type: PropertyValue
      value: 8
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.559
    additional property: Energy
      type: PropertyValue
      value: 0.147
    additional property: Speechiness
      type: PropertyValue
      value: 0.046
    additional property: Acousticness
      type: PropertyValue
      value: 0.977
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.959
    additional property: Liveness
      type: PropertyValue
      value: 0.11
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.167
    additional property: Loudness (dB)
      type: PropertyValue
      value: -20.836
    additional property: Key Name
      type: PropertyValue
      value: Ab
    additional property: Mode Name
      type: PropertyValue
      value: Major