Matt Sato
type: MusicGroup
popularity: 15
followers: 39363
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8b400079ca1da5ef8f206d4f5ffe7f2a4121a5f434441fb90cdc507733949077
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953588
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953588
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/00966337-ed75-42b2-bf1a-125ac618c9fc.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/00966337-ed75-42b2-bf1a-125ac618c9fc.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/00966337-ed75-42b2-bf1a-125ac618c9fc
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T04:52:46Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8b400079ca1da5ef8f206d4f5ffe7f2a4121a5f434441fb90cdc507733949077","name":"Matt Sato","registered_at":"2026-06-14T04:29:35Z","symbol":"NIM0338817","token_address":"0x2c71be9ab7e14d008cf2281b0533406217e271c1","type":"artist","uuid":"00966337-ed75-42b2-bf1a-125ac618c9fc"}
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 0x8b400079ca1da5ef8f206d4f5ffe7f2a4121a5f434441fb90cdc507733949077. Chain 2 (Bitcoin): anchored in block 953588 (2026-06-14T04:52:46Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/00966337-ed75-42b2-bf1a-125ac618c9fc.json and https://artists.proofprofile.net/proofs/artist/00966337-ed75-42b2-bf1a-125ac618c9fc.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T04:52:46Z
  text: {"copyright_id":"0x8b400079ca1da5ef8f206d4f5ffe7f2a4121a5f434441fb90cdc507733949077","name":"Matt Sato","registered_at":"2026-06-14T04:29:35Z","symbol":"NIM0338817","token_address":"0x2c71be9ab7e14d008cf2281b0533406217e271c1","type":"artist","uuid":"00966337-ed75-42b2-bf1a-125ac618c9fc"}
album: I Know
  type: MusicAlbum
  date published: 2017-07-14
album: Airplane Mode
  type: MusicAlbum
  date published: 2017-09-22
  track: Airplane Mode
    type: MusicRecording
    duration: PT3M46S
    duration ms: 226000
    explicit: false
    by artist: Matt Sato
    in album: Airplane Mode
      type: MusicAlbum
      date published: 2017-09-22
    isrc code: QM6P41756080
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-19T08:28:40+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x0b395b43fc481b2621eacaae73981eec693403fe4e1f8242f915ae96ccf9c254
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958706
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958706
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM6P41756080
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T08:50:34Z
    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 0x0b395b43fc481b2621eacaae73981eec693403fe4e1f8242f915ae96ccf9c254. Chain 2 (Bitcoin): anchored in block 958706 (2026-07-19T08:50:34Z), 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/QM6P41756080.
      date published: 2026-07-19T08:50:34Z
    audio: Airplane Mode
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 90.009
      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: 0.727
      additional property: Energy
        type: PropertyValue
        value: 0.794
      additional property: Speechiness
        type: PropertyValue
        value: 0.03
      additional property: Acousticness
        type: PropertyValue
        value: 0.026
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.125
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.764
      additional property: Loudness (dB)
        type: PropertyValue
        value: -5.668
      additional property: Key Name
        type: PropertyValue
        value: F
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Do You Say My Name
  type: MusicAlbum
  date published: 2018-10-22
album: me 4 u
  type: MusicAlbum
  date published: 2019-09-27
  track: me 4 u
    type: MusicRecording
    duration: PT2M15S
    duration ms: 135272
    explicit: false
    by artist: Matt Sato
    in album: me 4 u
      type: MusicAlbum
      date published: 2019-09-27
    isrc code: TCAEK1990196
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-15T10:09:40+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x32ce7da2325d7836f3d593dd30f4f74fcedb9dd67b13e69f7e0fe0f218600d80
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958146
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958146
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAEK1990196
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-15T10:33:22Z
    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 0x32ce7da2325d7836f3d593dd30f4f74fcedb9dd67b13e69f7e0fe0f218600d80. Chain 2 (Bitcoin): anchored in block 958146 (2026-07-15T10:33:22Z), 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/TCAEK1990196.
      date published: 2026-07-15T10:33:22Z
    audio: me 4 u
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 110.043
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.738
      additional property: Energy
        type: PropertyValue
        value: 0.434
      additional property: Speechiness
        type: PropertyValue
        value: 0.228
      additional property: Acousticness
        type: PropertyValue
        value: 0.631
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: song to my mind
album: i go high, you go low
album: better days

Liveness
type: PropertyValue
value: 0.227

Valence (Positivity)
type: PropertyValue
value: 0.666

Loudness (dB)
type: PropertyValue
value: -12.534

Key Name
type: PropertyValue
value: A

Mode Name
type: PropertyValue
value: Major

song to my mind
type: MusicAlbum
date published: 2019-10-18
track: song to my mind
  type: MusicRecording
  duration: PT2M41S
  duration ms: 161011
  explicit: false
  by artist: Matt Sato
  in album: song to my mind
    type: MusicAlbum
    date published: 2019-10-18
  isrc code: TCAEL1941480
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T10:43:28+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x878b3d686a0eaa17d5678a7f8e98c0dfbfdd65515a2e4a492c224b22aa345462
  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/TCAEL1941480
  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 0x878b3d686a0eaa17d5678a7f8e98c0dfbfdd65515a2e4a492c224b22aa345462. 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/TCAEL1941480.
    date published: 2026-07-04T22:48:52Z
  audio: song to my mind
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 120.043
    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: 0.797
    additional property: Energy
      type: PropertyValue
      value: 0.353
    additional property: Speechiness
      type: PropertyValue
      value: 0.093
    additional property: Acousticness
      type: PropertyValue
      value: 0.547
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.146
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.347
    additional property: Loudness (dB)
      type: PropertyValue
      value: -11.225
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Minor

i go high, you go low
type: MusicAlbum
date published: 2019-11-08
track: i go high, you go low
  type: MusicRecording
  duration: PT2M39S
  duration ms: 159609
  explicit: false
  by artist: Matt Sato
  in album: i go high, you go low
    type: MusicAlbum
    date published: 2019-11-08
  isrc code: TCAEL1997714
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-12T21:18:58+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x73c9d7978f4c34c4add00bef6c59a7980f543e78ff43a245162878f609f49b29
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957756
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957756
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAEL1997714
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-12T21:36:27Z
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73c9d7978f4c34c4add00bef6c59a7980f543e78ff43a245162878f609f49b29. Chain 2 (Bitcoin): anchored in block 957756 (2026-07-12T21:36:27Z), 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/TCAEL1997714.
    date published: 2026-07-12T21:36:27Z
  audio: i go high, you go low
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 128.134
    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: 0.814
    additional property: Energy
      type: PropertyValue
      value: 0.478
    additional property: Speechiness
      type: PropertyValue
      value: 0.075
    additional property: Acousticness
      type: PropertyValue
      value: 0.316
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.081
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.898
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.605
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major

better days
type: MusicAlbum
date published: 2020-01-03
track: better days
  type: MusicRecording
  duration: PT2M42S
  duration ms: 162000
  explicit: false
  by artist: Matt Sato
  in album: better days
    type: MusicAlbum
    date published: 2020-01-03
  isrc code: TCAEO1956121
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T12:10:28+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x01d5e9eed20afe9d75f81b5a4e59b0e3931572942c263d3245826c6bd9e62faf
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956545
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956545
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAEO1956121
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T19:59:51Z
  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 0x01d5e9eed20afe9d75f81b5a4e59b0e3931572942c263d3245826c6bd9e62faf. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/TCAEO1956121.
    date published: 2026-07-03T19:59:51Z
  audio: better days
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 110.077
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.733
    additional property: Energy
      type: PropertyValue
      value: 0.286
    additional property: Speechiness
      type: PropertyValue
      value: 0.053
    additional property: Acousticness
      type: PropertyValue
      value: 0.477
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.362
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.109
    additional property: Loudness (dB)
      type: PropertyValue
      value: -13.677
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Major