Martha Kato
type: MusicGroup
popularity: 9
followers: 1486
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x054c903858524c74dfeef6408cf1748388696c5c09747ad399e292fa278f18c6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954728
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/954728
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f8243016-4578-443f-9081-4f63f1159073.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f8243016-4578-443f-9081-4f63f1159073.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/f8243016-4578-443f-9081-4f63f1159073
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T18:08:38Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x054c903858524c74dfeef6408cf1748388696c5c09747ad399e292fa278f18c6","name":"Martha Kato","registered_at":"2026-06-21T16:11:55Z","symbol":"NIM1965983","token_address":"0xbe9bc063074dfc32f0fc0392975f375a8df57a99","type":"artist","uuid":"f8243016-4578-443f-9081-4f63f1159073"}
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 → block must exist at that height 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 0x054c903858524c74dfeef6408cf1748388696c5c09747ad399e292fa278f18c6. Chain 2 (Bitcoin): anchored in block 954728 (2026-06-21T18:08:38Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f8243016-4578-443f-9081-4f63f1159073.json and https://artists.proofprofile.net/proofs/artist/f8243016-4578-443f-9081-4f63f1159073.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T18:08:38Z
  text: {"copyright_id":"0x054c903858524c74dfeef6408cf1748388696c5c09747ad399e292fa278f18c6","name":"Martha Kato","registered_at":"2026-06-21T16:11:55Z","symbol":"NIM1965983","token_address":"0xbe9bc063074dfc32f0fc0392975f375a8df57a99","type":"artist","uuid":"f8243016-4578-443f-9081-4f63f1159073"}
album: Moonlit
  type: MusicAlbum
  date published: 2023-11-22
  track: Departure
    type: MusicRecording
    duration: PT10M58S
    duration ms: 658906
    explicit: false
    by artist: Martha Kato
    in album: Moonlit
      type: MusicAlbum
      date published: 2023-11-22
    isrc code: JPB622203230
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-19T22:44:58+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x5363b1486e5c0d300d5098e65a1c7c7b467d8a0dcb37bfe3deb268a60af9254d
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956304
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block/956304
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB622203230
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-02T03:55:08Z
    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 → block OTSBitcoinBlock must exist at that height 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 0x5363b1486e5c0d300d5098e65a1c7c7b467d8a0dcb37bfe3deb268a60af9254d. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/JPB622203230.
      date published: 2026-07-02T03:55:08Z
  track: Uragami
    type: MusicRecording
    duration: PT12M22S
    duration ms: 742413
    explicit: false
    by artist: Martha Kato
    in album: Moonlit
      type: MusicAlbum
      date published: 2023-11-22
    isrc code: JPB622203231
  track: Ishonsho Abe
    type: MusicRecording
    duration: PT8M1S
    duration ms: 481400
    explicit: false
    by artist: Martha Kato
    in album: Moonlit
      type: MusicAlbum
      date published: 2023-11-22
    isrc code: JPB622203232
  track: Sól
    type: MusicRecording
    duration: PT12M21S
    duration ms: 741680
    explicit: false
    by artist: Martha Kato
    in album: Moonlit
      type: MusicAlbum
      date published: 2023-11-22
    isrc code: JPB622203233
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-08T04:06:49+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xe20a107c5d5f53a29c843553aef1b185520c09e21a96f537515b0c29a8448d3d
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 957246
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block/957246
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB622203233
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-09T01:49:50Z
    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 → block OTSBitcoinBlock must exist at that height 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 0xe20a107c5d5f53a29c843553aef1b185520c09e21a96f537515b0c29a8448d3d. Chain 2 (Bitcoin): anchored in block 957246 (2026-07-09T01:49:50Z), 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/JPB622203233.
      date published: 2026-07-09T01:49:50Z
  track: Kinmok-Sailor
    type: MusicRecording
    duration: PT8M56S
    duration ms: 536706
    explicit: false
    by artist: Martha Kato
    in album: Moonlit
      type: MusicAlbum
      date published: 2023-11-22
    isrc code: JPB622203234
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-08T00:53:19+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xbebac57743b0b125e597a20248ec3f296a3c7e58363093cb004a58fad081c3db
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 957122
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block/957122
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB622203234
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-08T03:39:04Z
    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 → block OTSBitcoinBlock must exist at that height 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 0xbebac57743b0b125e597a20248ec3f296a3c7e58363093cb004a58fad081c3db. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/JPB622203234.
      date published: 2026-07-08T03:39:04Z
  track: After the Rain
    type: MusicRecording
    duration: PT10M7S
    duration ms: 607906
    explicit: false
    by artist: Martha Kato
    in album: Moonlit
      type: MusicAlbum
      date published: 2023-11-22
    isrc code: JPB622203235
  track: Small Sky
    type: MusicRecording
    duration: PT5M49S
    duration ms: 349986
    explicit: false
    by artist: Martha Kato
    in album: Moonlit
      type: MusicAlbum
      date published: 2023-11-22
    isrc code: JPB622203236
album: Solúna
album: Tales from The Trees
album: Kinmok-Sailor
album: Sól
album: Ishonsho Abe
album: Departure (Solo Piano ver.)
album: After The Rain (Solo Piano ver.)
album: Assembly of Shadows
track: Departure
track: Uragami
track: Ishonsho Abe
track: Sól
track: Kinmok-Sailor
track: After the Rain
track: Small Sky
track: Ishonsho Abe Intro
track: Hokora
track: Sylphide of The Watermill
track: Petals of Solúna
track: Eshubeleke
track: Stray Off In The Woods
track: Kodama

Solúna
type: MusicAlbum
date published: 2023-06-02
track: Sól
  type: MusicRecording
  duration: PT8M57S
  duration ms: 537160
  explicit: false
  by artist: Martha Kato
  in album: Solúna
    type: MusicAlbum
    date published: 2023-06-02
  isrc code: JPB622201206
track: Ishonsho Abe Intro
  type: MusicRecording
  duration: PT0M50S
  duration ms: 50120
  explicit: false
  by artist: Martha Kato
  in album: Solúna
    type: MusicAlbum
    date published: 2023-06-02
  isrc code: JPB622201207
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T15:47:40+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x836eae14586c4df6135b2b769ec7e00675fe781fc4027aeb2eea3ac919d2e9ef
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957145
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/957145
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB622201207
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T08:56:20Z
  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 → block OTSBitcoinBlock must exist at that height 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 0x836eae14586c4df6135b2b769ec7e00675fe781fc4027aeb2eea3ac919d2e9ef. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/JPB622201207.
    date published: 2026-07-08T08:56:20Z
track: Ishonsho Abe
  type: MusicRecording
  duration: PT5M48S
  duration ms: 348840
  explicit: false
  by artist: Martha Kato
  in album: Solúna
    type: MusicAlbum
    date published: 2023-06-02
  isrc code: JPB622201208
track: Kinmok-Sailor
  type: MusicRecording
  duration: PT8M20S
  duration ms: 500146
  explicit: false
  by artist: Martha Kato
  in album: Solúna
    type: MusicAlbum
    date published: 2023-06-02
  isrc code: JPB622201209
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T08:35:11+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xaa1a9bee23639661ad02400166af15d8dca09ffba05f90b7eb6f4e76639de2e3
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957050
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/957050
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB622201209
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-07T14:41:13Z
  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 → block OTSBitcoinBlock must exist at that height 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 0xaa1a9bee23639661ad02400166af15d8dca09ffba05f90b7eb6f4e76639de2e3. Chain 2 (Bitcoin): anchored in block 957050 (2026-07-07T14:41:13Z), 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/JPB622201209.
    date published: 2026-07-07T14:41:13Z
track: Hokora
  type: MusicRecording
  duration: PT1M44S
  duration ms: 104213
  explicit: false
  by artist: Martha Kato
  in album: Solúna
    type: MusicAlbum
    date published: 2023-06-02
  isrc code: JPB622201210
track: Uragami
  type: MusicRecording
  duration: PT9M43S
  duration ms: 583666
  explicit: false
  by artist: Martha Kato
  in album: Solúna
    type: MusicAlbum
    date published: 2023-06-02
  isrc code: JPB622201211
track: Sylphide of The Watermill
  type: MusicRecording
  duration: PT8M15S
  duration ms: 495266
  explicit: false
  by artist: Martha Kato
  in album: Solúna
    type: MusicAlbum
    date published: 2023-06-02
  isrc code: JPB622201212
track: Petals of Solúna
  type: MusicRecording
  duration: PT2M11S
  duration ms: 131586
  explicit: false
  by artist: Martha Kato
  in album: Solúna
    type: MusicAlbum
    date published: 2023-06-02
  isrc code: JPB622201213

Tales from The Trees
type: MusicAlbum
date published: 2016-09-07
track: Departure
  type: MusicRecording
  duration: PT7M49S
  duration ms: 469626
  explicit: false
  by artist: Martha Kato
  in album: Tales from The Trees
    type: MusicAlbum
    date published: 2016-09-07
  isrc code: QMAAK1665762
track: Eshubeleke
  type: MusicRecording
  duration: PT5M57S
  duration ms: 357440
  explicit: false
  by artist: Martha Kato
  in album: Tales from The Trees
    type: MusicAlbum
    date published: 2016-09-07
  isrc code: QMAAK1665763
track: Stray Off In The Woods
  type: MusicRecording
  duration: PT1M11S
  duration ms: 71506
  explicit: false
  by artist: Martha Kato
  in album: Tales from The Trees
    type: MusicAlbum
    date published: 2016-09-07
track: Small Sky
  type: MusicRecording
  duration: PT5M3S
  duration ms: 303413
  explicit: false
  by artist: Martha Kato
  in album: Tales from The Trees
    type: MusicAlbum
    date published: 2016-09-07
  isrc code: QMAAK1665765
track: Kodama
  type: MusicRecording
  duration: PT3M48S
  duration ms: 228813
  explicit: false
  by artist: Martha Kato
  in album: Tales from The Trees
    type: MusicAlbum
    date published: 2016-09-07
  isrc code: QMAAK1665766
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T21:00:35+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xcc5b2fb105e1db0f1815d2d492ed8b2d89afa4bf47132afd205f6c8f7d30c3e2
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957120
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/957120
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMAAK1665766
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:22:41Z
  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 → block OTSBitcoinBlock must exist at that height 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 0xcc5b2fb105e1db0f1815d2d492ed8b2d89afa4bf47132afd205f6c8f7d30c3e2. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/QMAAK1665766.
    date published: 2026-07-08T03:22:41Z
track: After The Rain
  type: MusicRecording
  duration: PT7M31S
  duration ms: 451746
  explicit: false
  by artist: Martha Kato
  in album: Tales from The Trees
    type: MusicAlbum
    date published: 2016-09-07
  isrc code: QMAAK1665767
track: Girl Talk
  type: MusicRecording
  duration: PT5M39S
  duration ms: 339680
  explicit: false
  by artist: Martha Kato
  in album: Tales from The Trees
    type: MusicAlbum
    date published: 2016-09-07
track: Frostwork
  type: MusicRecording
  duration: PT7M31S
  duration ms: 451680
  explicit: false
  by artist: Martha Kato
  in album: Tales from The Trees
    type: MusicAlbum
    date published: 2016-09-07

Kinmok-Sailor
type: MusicAlbum
date published: 2023-05-12
track: Kinmok-Sailor
  type: MusicRecording
  duration: PT8M20S
  duration ms: 500146
  explicit: false
  by artist: Martha Kato
  in album: Kinmok-Sailor
    type: MusicAlbum
    date published: 2023-05-12
track: Sól
  type: MusicRecording
  duration: PT8M57S
  duration ms: 537160
  explicit: false
  by artist: Martha Kato
  in album: Kinmok-Sailor
    type: MusicAlbum
    date published: 2023-05-12
track: Ishonsho Abe
  type: MusicRecording
  duration: PT5M48S
  duration ms: 348840
  explicit: false
  by artist: Martha Kato
  in album: Kinmok-Sailor
    type: MusicAlbum
    date published: 2023-05-12

Sól
type: MusicAlbum
date published: 2023-04-14
track: Sól
  type: MusicRecording
  duration: PT8M57S
  duration ms: 537160
  explicit: false
  by artist: Martha Kato
  in album: Sól
    type: MusicAlbum
    date published: 2023-04-14
track: Ishonsho Abe
  type: MusicRecording
  duration: PT5M48S
  duration ms: 348840
  explicit: false
  by artist: Martha Kato
  in album: Sól
    type: MusicAlbum
    date published: 2023-04-14

Ishonsho Abe
type: MusicAlbum
date published: 2022-09-07
track: Ishonsho Abe
  type: MusicRecording
  duration: PT5M48S
  duration ms: 348840
  explicit: false
  by artist: Martha Kato
  in album: Ishonsho Abe
    type: MusicAlbum
    date published: 2022-09-07

Departure (Solo Piano ver.)
type: MusicAlbum
date published: 2022-01-01
track: Departure
  type: MusicRecording
  duration: PT7M22S
  duration ms: 442392
  explicit: false
  by artist: Martha Kato
  in album: Departure (Solo Piano ver.)
    type: MusicAlbum
    date published: 2022-01-01

After The Rain (Solo Piano ver.)
type: MusicAlbum
date published: 2021-09-01
track: After The Rain - Solo Piano ver.
  type: MusicRecording
  duration: PT10M8S
  duration ms: 608538
  explicit: false
  by artist: Martha Kato
  in album: After The Rain (Solo Piano ver.)
    type: MusicAlbum
    date published: 2021-09-01

Assembly of Shadows
type: MusicAlbum
date published: 2019-12-02
track: Strata
  type: MusicRecording
  duration: PT7M17S
  duration ms: 437240
  explicit: false
  by artist: Remy Le Boeuf
  by artist: Anna Webber
  by artist: Eric Miller
  by artist: Natalie Cressman
  by artist: Philip Dizack
  by artist: Tony Glausi
  by artist: Brian Montgomery
  in album: Assembly of Shadows
    type: MusicAlbum
    date published: 2019-12-02
  isrc code: USHM81984812
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T10:34:03+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3202fb087a68a15768d19a77f6ca449db4fdbdd44080767946db4a4e8c55468f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957145
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/957145
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM81984812
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T08:56:20Z
  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 → block OTSBitcoinBlock must exist at that height 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 0x3202fb087a68a15768d19a77f6ca449db4fdbdd44080767946db4a4e8c55468f. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/USHM81984812.
    date published: 2026-07-08T08:56:20Z
track: Honeymooners
  type: MusicRecording
  duration: PT8M12S
  duration ms: 492346
  explicit: false
  by artist: Remy Le Boeuf
  by artist: Natalie Cressman
  by artist: Peter Kronreif
  by artist: Philip Dizack
  by artist: Tony Glausi
  by artist: Brian Montgomery
  in album: Assembly of Shadows
    type: MusicAlbum
    date published: 2019-12-02
  isrc code: USHM81984813
track: I. Introduction
  type: MusicRecording
  duration: PT1M23S
  duration ms: 83173
  explicit: false
  by artist: Remy Le Boeuf
  by artist: Natalie Cressman
  by artist: Philip Dizack
  by artist: Tony Glausi
  by artist: Vito Chiavuzzo
  by artist: Brian Montgomery
  in album: Assembly of Shadows
    type: MusicAlbum
    date published: 2019-12-02
  isrc code: USHM81984814
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T20:16:11+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb9f7d42830d09161bd6d50c80ffcbac5d36c6b9d5fb589cde0eb7bea9ad1f9ec
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957120
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/957120
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM81984814
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:22:41Z
  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 → block OTSBitcoinBlock must exist at that height 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 0xb9f7d42830d09161bd6d50c80ffcbac5d36c6b9d5fb589cde0eb7bea9ad1f9ec. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/USHM81984814.
    date published: 2026-07-08T03:22:41Z
track: II. Assembly of Shadows
  type: MusicRecording
  duration: PT8M55S
  duration ms: 535640
  explicit: false
  by artist: Remy Le Boeuf
  by artist: Alex Goodman
  by artist: Natalie Cressman
  by artist: Philip Dizack
  by artist: Tony Glausi
  by artist: Brian Montgomery
  in album: Assembly of Shadows
    type: MusicAlbum
    date published: 2019-12-02
  isrc code: USHM81984815
track: III. Shapeless Dancer
  type: MusicRecording
  duration: PT6M32S
  duration ms: 392520
  explicit: false
  by artist: Remy Le Boeuf
  by artist: John Lowery
  by artist: Natalie Cressman
  by artist: Philip Dizack
  by artist: Tony Glausi
  by artist: Brian Montgomery
  in album: Assembly of Shadows
    type: MusicAlbum
    date published: 2019-12-02
  isrc code: USHM81984816
track: IV. Transfiguration
  type: MusicRecording
  duration: PT4M40S
  duration ms: 280666
  explicit: false
  by artist: Remy Le Boeuf
  by artist: Carl Maraghi
  by artist: Martha Kato
  by artist: Natalie Cressman
  by artist: Philip Dizack
  by artist: Tony Glausi
  by artist: Brian Montgomery
  in album: Assembly of Shadows
    type: MusicAlbum
    date published: 2019-12-02
  isrc code: USHM81984817
track: V. A Light Through the Leaves
  type: MusicRecording
  duration: PT5M47S
  duration ms: 347306
  explicit: false
  by artist: Remy Le Boeuf
  by artist: Martha Kato
  by artist: Natalie Cressman
  by artist: Philip Dizack
  by artist: Tony Glausi
  by artist: Brian Montgomery
  in album: Assembly of Shadows
    type: MusicAlbum
    date published: 2019-12-02
  isrc code: USHM81984818

Departure
type: MusicRecording
duration: PT10M58S
duration ms: 658906
explicit: false
by artist: Martha Kato
in album: Moonlit
  type: MusicAlbum
  date published: 2023-11-22
isrc code: JPB622203230
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T22:44:58+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5363b1486e5c0d300d5098e65a1c7c7b467d8a0dcb37bfe3deb268a60af9254d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB622203230
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
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 → block OTSBitcoinBlock must exist at that height 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 0x5363b1486e5c0d300d5098e65a1c7c7b467d8a0dcb37bfe3deb268a60af9254d. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/JPB622203230.
  date published: 2026-07-02T03:55:08Z

Uragami
type: MusicRecording
duration: PT12M22S
duration ms: 742413
explicit: false
by artist: Martha Kato
in album: Moonlit
  type: MusicAlbum
  date published: 2023-11-22
isrc code: JPB622203231

Ishonsho Abe
type: MusicRecording
duration: PT8M1S
duration ms: 481400
explicit: false
by artist: Martha Kato
in album: Moonlit
  type: MusicAlbum
  date published: 2023-11-22
isrc code: JPB622203232

Sól
type: MusicRecording
duration: PT12M21S
duration ms: 741680
explicit: false
by artist: Martha Kato
in album: Moonlit
  type: MusicAlbum
  date published: 2023-11-22
isrc code: JPB622203233
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-08T04:06:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe20a107c5d5f53a29c843553aef1b185520c09e21a96f537515b0c29a8448d3d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957246
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/957246
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB622203233
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-09T01:49:50Z
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 → block OTSBitcoinBlock must exist at that height 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 0xe20a107c5d5f53a29c843553aef1b185520c09e21a96f537515b0c29a8448d3d. Chain 2 (Bitcoin): anchored in block 957246 (2026-07-09T01:49:50Z), 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/JPB622203233.
  date published: 2026-07-09T01:49:50Z

Kinmok-Sailor
type: MusicRecording
duration: PT8M56S
duration ms: 536706
explicit: false
by artist: Martha Kato
in album: Moonlit
  type: MusicAlbum
  date published: 2023-11-22
isrc code: JPB622203234
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-08T00:53:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbebac57743b0b125e597a20248ec3f296a3c7e58363093cb004a58fad081c3db
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957122
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/957122
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB622203234
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:39:04Z
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 → block OTSBitcoinBlock must exist at that height 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 0xbebac57743b0b125e597a20248ec3f296a3c7e58363093cb004a58fad081c3db. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/JPB622203234.
  date published: 2026-07-08T03:39:04Z

After the Rain
type: MusicRecording
duration: PT10M7S
duration ms: 607906
explicit: false
by artist: Martha Kato
in album: Moonlit
  type: MusicAlbum
  date published: 2023-11-22
isrc code: JPB622203235

Small Sky
type: MusicRecording
duration: PT5M49S
duration ms: 349986
explicit: false
by artist: Martha Kato
in album: Moonlit
  type: MusicAlbum
  date published: 2023-11-22
isrc code: JPB622203236

Sól
type: MusicRecording
duration: PT8M57S
duration ms: 537160
explicit: false
by artist: Martha Kato
in album: Solúna
  type: MusicAlbum
  date published: 2023-06-02
isrc code: JPB622201206

Ishonsho Abe Intro
type: MusicRecording
duration: PT0M50S
duration ms: 50120
explicit: false
by artist: Martha Kato
in album: Solúna
  type: MusicAlbum
  date published: 2023-06-02
isrc code: JPB622201207
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T15:47:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x836eae14586c4df6135b2b769ec7e00675fe781fc4027aeb2eea3ac919d2e9ef
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB622201207
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
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 → block OTSBitcoinBlock must exist at that height 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 0x836eae14586c4df6135b2b769ec7e00675fe781fc4027aeb2eea3ac919d2e9ef. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/JPB622201207.
  date published: 2026-07-08T08:56:20Z

Ishonsho Abe
type: MusicRecording
duration: PT5M48S
duration ms: 348840
explicit: false
by artist: Martha Kato
in album: Solúna
  type: MusicAlbum
  date published: 2023-06-02
isrc code: JPB622201208

Kinmok-Sailor
type: MusicRecording
duration: PT8M20S
duration ms: 500146
explicit: false
by artist: Martha Kato
in album: Solúna
  type: MusicAlbum
  date published: 2023-06-02
isrc code: JPB622201209
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T08:35:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xaa1a9bee23639661ad02400166af15d8dca09ffba05f90b7eb6f4e76639de2e3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957050
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/957050
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB622201209
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T14:41:13Z
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 → block OTSBitcoinBlock must exist at that height 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 0xaa1a9bee23639661ad02400166af15d8dca09ffba05f90b7eb6f4e76639de2e3. Chain 2 (Bitcoin): anchored in block 957050 (2026-07-07T14:41:13Z), 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/JPB622201209.
  date published: 2026-07-07T14:41:13Z

Hokora
type: MusicRecording
duration: PT1M44S
duration ms: 104213
explicit: false
by artist: Martha Kato
in album: Solúna
  type: MusicAlbum
  date published: 2023-06-02
isrc code: JPB622201210

Uragami
type: MusicRecording
duration: PT9M43S
duration ms: 583666
explicit: false
by artist: Martha Kato
in album: Solúna
  type: MusicAlbum
  date published: 2023-06-02
isrc code: JPB622201211

Sylphide of The Watermill
type: MusicRecording
duration: PT8M15S
duration ms: 495266
explicit: false
by artist: Martha Kato
in album: Solúna
  type: MusicAlbum
  date published: 2023-06-02
isrc code: JPB622201212

Petals of Solúna
type: MusicRecording
duration: PT2M11S
duration ms: 131586
explicit: false
by artist: Martha Kato
in album: Solúna
  type: MusicAlbum
  date published: 2023-06-02
isrc code: JPB622201213

Departure
type: MusicRecording
duration: PT7M49S
duration ms: 469626
explicit: false
by artist: Martha Kato
in album: Tales from The Trees
  type: MusicAlbum
  date published: 2016-09-07
isrc code: QMAAK1665762

Eshubeleke
type: MusicRecording
duration: PT5M57S
duration ms: 357440
explicit: false
by artist: Martha Kato
in album: Tales from The Trees
  type: MusicAlbum
  date published: 2016-09-07
isrc code: QMAAK1665763

Stray Off In The Woods
type: MusicRecording
duration: PT1M11S
duration ms: 71506
explicit: false
by artist: Martha Kato
in album: Tales from The Trees
  type: MusicAlbum
  date published: 2016-09-07

Small Sky
type: MusicRecording
duration: PT5M3S
duration ms: 303413
explicit: false
by artist: Martha Kato
in album: Tales from The Trees
  type: MusicAlbum
  date published: 2016-09-07
isrc code: QMAAK1665765

Kodama
type: MusicRecording
duration: PT3M48S
duration ms: 228813
explicit: false
by artist: Martha Kato
in album: Tales from The Trees
  type: MusicAlbum
  date published: 2016-09-07
isrc code: QMAAK1665766
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T21:00:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcc5b2fb105e1db0f1815d2d492ed8b2d89afa4bf47132afd205f6c8f7d30c3e2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMAAK1665766
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
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 → block OTSBitcoinBlock must exist at that height 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 0xcc5b2fb105e1db0f1815d2d492ed8b2d89afa4bf47132afd205f6c8f7d30c3e2. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/QMAAK1665766.
  date published: 2026-07-08T03:22:41Z