Dr. Richard A. Schwartz
type: MusicGroup
genre: drone
popularity: 23
followers: 561
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3f4941a3c92d7401b407e46c1c6626169753cd0dd3bfb6dd5554f79c68f05c92
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/83fb29d7-dbc9-466e-a0d3-da195a04a9ff.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/83fb29d7-dbc9-466e-a0d3-da195a04a9ff.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/83fb29d7-dbc9-466e-a0d3-da195a04a9ff
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x3f4941a3c92d7401b407e46c1c6626169753cd0dd3bfb6dd5554f79c68f05c92","name":"Dr. Richard A. Schwartz","registered_at":"2026-06-12T03:21:43Z","symbol":"NIM0171503","token_address":"0x5f04d506bd34f9067672a3a462ba4bf348cbf773","type":"artist","uuid":"83fb29d7-dbc9-466e-a0d3-da195a04a9ff"}
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 0x3f4941a3c92d7401b407e46c1c6626169753cd0dd3bfb6dd5554f79c68f05c92. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/83fb29d7-dbc9-466e-a0d3-da195a04a9ff.json and https://artists.proofprofile.net/proofs/artist/83fb29d7-dbc9-466e-a0d3-da195a04a9ff.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:28:13Z
  text: {"copyright_id":"0x3f4941a3c92d7401b407e46c1c6626169753cd0dd3bfb6dd5554f79c68f05c92","name":"Dr. Richard A. Schwartz","registered_at":"2026-06-12T03:21:43Z","symbol":"NIM0171503","token_address":"0x5f04d506bd34f9067672a3a462ba4bf348cbf773","type":"artist","uuid":"83fb29d7-dbc9-466e-a0d3-da195a04a9ff"}
album: The Tuning C.D. (A=440)
  type: MusicAlbum
  date published: 2009-06-05
  track: C
    type: MusicRecording
    duration: PT3M2S
    duration ms: 182987
    explicit: false
    by artist: Dr. Richard A. Schwartz
    in album: The Tuning C.D. (A=440)
      type: MusicAlbum
      date published: 2009-06-05
    genre: drone
    isrc code: USTC90986473
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-02T21:07:46+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xde385067f4dc4788ef79930f05951d96a10eb3de8903c2da178fdd3701b03907
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956404
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956404
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTC90986473
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T02:33:35Z
    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 0xde385067f4dc4788ef79930f05951d96a10eb3de8903c2da178fdd3701b03907. Chain 2 (Bitcoin): anchored in block 956404 (2026-07-17T02:33:35Z), 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/USTC90986473.
      date published: 2026-07-17T02:33:35Z
    audio: C
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 50
      additional property: Musical Key
        type: PropertyValue
        value: 0
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0
      additional property: Energy
        type: PropertyValue
        value: 0
      additional property: Speechiness
        type: PropertyValue
        value: 0
      additional property: Acousticness
        type: PropertyValue
        value: 0
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0
      additional property: Loudness (dB)
        type: PropertyValue
        value: -19.443
      additional property: Key Name
        type: PropertyValue
        value: C
      additional property: Mode Name
        type: PropertyValue
        value: Major
  track: C# - Db
    type: MusicRecording
    duration: PT3M3S
    duration ms: 183980
    explicit: false
    by artist: Dr. Richard A. Schwartz
    in album: The Tuning C.D. (A=440)
      type: MusicAlbum
      date published: 2009-06-05
    genre: drone
    isrc code: USTC90986492
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T14:17:47+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x915fbde288d6b61832fa52f2aa2b71dd2cfbc85f6260591bba2f19085f94a3a4
    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/USTC90986492
    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 0x915fbde288d6b61832fa52f2aa2b71dd2cfbc85f6260591bba2f19085f94a3a4. 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/USTC90986492.
      date published: 2026-07-03T19:59:51Z
    audio: C# - Db
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 50
      additional property: Musical Key
        type: PropertyValue
        value: 1
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0
      additional property: Energy
        type: PropertyValue
        value: 0
      additional property: Speechiness
        type: PropertyValue
        value: 0
      additional property: Acousticness
        type: PropertyValue
        value: 0
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
  track: D
  track: D# - Eb
  track: E
  track: F
  track: F# - Gb
  track: G
  track: G# - Ab
  track: A
  track: A# - Bb
  track: B
album: The Tuning C.D. (A=441)
album: The Tuning C.D. (A=442)

Loudness (dB)
type: PropertyValue
value: -18.634

Key Name
type: PropertyValue
value: C#

Mode Name
type: PropertyValue
value: Major

D
type: MusicRecording
duration: PT3M2S
duration ms: 182987
explicit: false
by artist: Dr. Richard A. Schwartz
in album: The Tuning C.D. (A=440)
  type: MusicAlbum
  date published: 2009-06-05
genre: drone
isrc code: USTC90986493
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-14T21:38:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5fa00ba951eb3d0af686438baea52ec67fae18532c96e0a4ada155a85082985a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958075
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958075
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTC90986493
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-14T22:55:31Z
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 0x5fa00ba951eb3d0af686438baea52ec67fae18532c96e0a4ada155a85082985a. Chain 2 (Bitcoin): anchored in block 958075 (2026-07-14T22:55:31Z), 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/USTC90986493.
  date published: 2026-07-14T22:55:31Z
audio: D
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 50
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0
  additional property: Energy
    type: PropertyValue
    value: 0
  additional property: Speechiness
    type: PropertyValue
    value: 0
  additional property: Acousticness
    type: PropertyValue
    value: 0
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.893
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

D# - Eb
type: MusicRecording
duration: PT3M2S
duration ms: 182987
explicit: false
by artist: Dr. Richard A. Schwartz
in album: The Tuning C.D. (A=440)
  type: MusicAlbum
  date published: 2009-06-05
genre: drone
isrc code: USTC90986495
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T04:42:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5a3246cab395ffc69301848f7499b1768e71a2ec25e6952822f34a92a8f70bce
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956484
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956484
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTC90986495
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-03T10:47:44Z
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 0x5a3246cab395ffc69301848f7499b1768e71a2ec25e6952822f34a92a8f70bce. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/USTC90986495.
  date published: 2026-07-03T10:47:44Z
audio: D# - Eb
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 50
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0
  additional property: Energy
    type: PropertyValue
    value: 0
  additional property: Speechiness
    type: PropertyValue
    value: 0
  additional property: Acousticness
    type: PropertyValue
    value: 0
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.391
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

E
type: MusicRecording
duration: PT3M2S
duration ms: 182987
explicit: false
by artist: Dr. Richard A. Schwartz
in album: The Tuning C.D. (A=440)
  type: MusicAlbum
  date published: 2009-06-05
genre: drone
isrc code: USTC90986496
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-15T23:20:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0a8ef7f9d918e0825fa4140db14391d66d00465a4ae891ad9eb86a28826f1e58
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958212
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958212
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTC90986496
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-15T23:25:50Z
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 → 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 0x0a8ef7f9d918e0825fa4140db14391d66d00465a4ae891ad9eb86a28826f1e58. Chain 2 (Bitcoin): anchored in block 958212 (2026-07-15T23:25:50Z), 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/USTC90986496.
  date published: 2026-07-15T23:25:50Z
audio: E
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 50
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0
  additional property: Energy
    type: PropertyValue
    value: 0
  additional property: Speechiness
    type: PropertyValue
    value: 0
  additional property: Acousticness
    type: PropertyValue
    value: 0
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.293
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

F
type: MusicRecording
duration: PT3M2S
duration ms: 182987
explicit: false
by artist: Dr. Richard A. Schwartz
in album: The Tuning C.D. (A=440)
  type: MusicAlbum
  date published: 2009-06-05
genre: drone
isrc code: USTC90986497
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T00:56:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf1404b21e60d4c6fc6ce6a089c590e1c78d60764e60a9fd04b90e76f602b7167
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956440
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956440
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTC90986497
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-03T04:03:57Z
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 0xf1404b21e60d4c6fc6ce6a089c590e1c78d60764e60a9fd04b90e76f602b7167. Chain 2 (Bitcoin): anchored in block 956440 (2026-07-03T04:03:57Z), 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/USTC90986497.
  date published: 2026-07-03T04:03:57Z
audio: F
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 50
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0
  additional property: Energy
    type: PropertyValue
    value: 0
  additional property: Speechiness
    type: PropertyValue
    value: 0
  additional property: Acousticness
    type: PropertyValue
    value: 0
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.353
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

F# - Gb
type: MusicRecording
duration: PT3M2S
duration ms: 182987
explicit: false
by artist: Dr. Richard A. Schwartz
in album: The Tuning C.D. (A=440)
  type: MusicAlbum
  date published: 2009-06-05
genre: drone
isrc code: USTC90986498
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-18T02:46:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x909b116ba4ed934a26e277acc27ed117296cbbd9fa00919b6c62e7752d9ca192
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958480
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958480
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTC90986498
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-18T02:58:58Z
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 0x909b116ba4ed934a26e277acc27ed117296cbbd9fa00919b6c62e7752d9ca192. Chain 2 (Bitcoin): anchored in block 958480 (2026-07-18T02:58:58Z), 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/USTC90986498.
  date published: 2026-07-18T02:58:58Z
audio: F# - Gb
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 50
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0
  additional property: Energy
    type: PropertyValue
    value: 0
  additional property: Speechiness
    type: PropertyValue
    value: 0
  additional property: Acousticness
    type: PropertyValue
    value: 0
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.159
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

G
type: MusicRecording
duration: PT3M2S
duration ms: 182987
explicit: false
by artist: Dr. Richard A. Schwartz
in album: The Tuning C.D. (A=440)
  type: MusicAlbum
  date published: 2009-06-05
genre: drone
isrc code: USTC90986499
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-15T23:48:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x394b3b85e11fc22690417d6ad970f7b63fc3d5399c0dc6c1b4cdb60cefd6d60d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958216
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958216
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTC90986499
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T00:00:34Z
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 0x394b3b85e11fc22690417d6ad970f7b63fc3d5399c0dc6c1b4cdb60cefd6d60d. Chain 2 (Bitcoin): anchored in block 958216 (2026-07-16T00:00:34Z), 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/USTC90986499.
  date published: 2026-07-16T00:00:34Z
audio: G
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 50
  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
  additional property: Energy
    type: PropertyValue
    value: 0
  additional property: Speechiness
    type: PropertyValue
    value: 0
  additional property: Acousticness
    type: PropertyValue
    value: 0
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.455
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

G# - Ab
type: MusicRecording
duration: PT3M2S
duration ms: 182987
explicit: false
by artist: Dr. Richard A. Schwartz
in album: The Tuning C.D. (A=440)
  type: MusicAlbum
  date published: 2009-06-05
genre: drone
isrc code: USTC90986500
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T04:43:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb9a873fc04fa383b7ba4007bff64c0b21552a29858b4cf3fc24e99b9d9ebcc45
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956484
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956484
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTC90986500
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-03T10:47:44Z
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 0xb9a873fc04fa383b7ba4007bff64c0b21552a29858b4cf3fc24e99b9d9ebcc45. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/USTC90986500.
  date published: 2026-07-03T10:47:44Z
audio: G# - Ab
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 50
  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
  additional property: Energy
    type: PropertyValue
    value: 0
  additional property: Speechiness
    type: PropertyValue
    value: 0
  additional property: Acousticness
    type: PropertyValue
    value: 0
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.631
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

A
type: MusicRecording
duration: PT3M2S
duration ms: 182987
explicit: false
by artist: Dr. Richard A. Schwartz
in album: The Tuning C.D. (A=440)
  type: MusicAlbum
  date published: 2009-06-05
genre: drone
isrc code: USTC90986502
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-12T18:37:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2de2fed355e1c2dacc99d86cf3632cd302cb1422e21dc3c722f8890b2ddebd80
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957744
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957744
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTC90986502
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-12T19:15:44Z
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 0x2de2fed355e1c2dacc99d86cf3632cd302cb1422e21dc3c722f8890b2ddebd80. Chain 2 (Bitcoin): anchored in block 957744 (2026-07-12T19:15:44Z), 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/USTC90986502.
  date published: 2026-07-12T19:15:44Z
audio: A
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 50
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0
  additional property: Energy
    type: PropertyValue
    value: 0
  additional property: Speechiness
    type: PropertyValue
    value: 0
  additional property: Acousticness
    type: PropertyValue
    value: 0
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.05
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

A# - Bb
type: MusicRecording
duration: PT3M2S
duration ms: 182987
explicit: false
by artist: Dr. Richard A. Schwartz
in album: The Tuning C.D. (A=440)
  type: MusicAlbum
  date published: 2009-06-05
genre: drone
isrc code: USTC90986503
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-14T21:51:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9b78b4b91dd0a0f5775cc3eedd4ce2816ac4ed333b88394a27aa77fdaa82e6e0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958075
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958075
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTC90986503
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-14T22:55:31Z
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 0x9b78b4b91dd0a0f5775cc3eedd4ce2816ac4ed333b88394a27aa77fdaa82e6e0. Chain 2 (Bitcoin): anchored in block 958075 (2026-07-14T22:55:31Z), 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/USTC90986503.
  date published: 2026-07-14T22:55:31Z
audio: A# - Bb
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 50
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0
  additional property: Energy
    type: PropertyValue
    value: 0
  additional property: Speechiness
    type: PropertyValue
    value: 0
  additional property: Acousticness
    type: PropertyValue
    value: 0
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.172
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

B
type: MusicRecording
duration: PT3M2S
duration ms: 182987
explicit: false
by artist: Dr. Richard A. Schwartz
in album: The Tuning C.D. (A=440)
  type: MusicAlbum
  date published: 2009-06-05
genre: drone
isrc code: USTC90986504
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T00:56:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x00821e34b496c6b5f5f3ac17d4fab89b9096f037932ca11e74579b15db79cc6d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958346
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958346
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTC90986504
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T03:59:21Z
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 0x00821e34b496c6b5f5f3ac17d4fab89b9096f037932ca11e74579b15db79cc6d. Chain 2 (Bitcoin): anchored in block 958346 (2026-07-17T03:59:21Z), 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/USTC90986504.
  date published: 2026-07-17T03:59:21Z
audio: B
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 50
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0
  additional property: Energy
    type: PropertyValue
    value: 0
  additional property: Speechiness
    type: PropertyValue
    value: 0
  additional property: Acousticness
    type: PropertyValue
    value: 0
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.08
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

The Tuning C.D. (A=441)
type: MusicAlbum
date published: 2009-06-09
track: C
  type: MusicRecording
  duration: PT3M4S
  duration ms: 184581
  explicit: false
  by artist: Dr. Richard A. Schwartz
  in album: The Tuning C.D. (A=441)
    type: MusicAlbum
    date published: 2009-06-09
  genre: drone
  isrc code: USTC90991559
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T10:12:00+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb4a2f9ff2d9774af9b20719741b671ff0bfd1d967136789d5f903a628e02a1b4
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958716
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958716
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTC90991559
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T10:15:55Z
  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 0xb4a2f9ff2d9774af9b20719741b671ff0bfd1d967136789d5f903a628e02a1b4. Chain 2 (Bitcoin): anchored in block 958716 (2026-07-19T10:15:55Z), 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/USTC90991559.
    date published: 2026-07-19T10:15:55Z
  audio: C
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 50
    additional property: Musical Key
      type: PropertyValue
      value: 1
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0
    additional property: Energy
      type: PropertyValue
      value: 0
    additional property: Speechiness
      type: PropertyValue
      value: 0
    additional property: Acousticness
      type: PropertyValue
      value: 0
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0
    additional property: Loudness (dB)
      type: PropertyValue
      value: -19.502
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: D
  type: MusicRecording
  duration: PT3M4S
  duration ms: 184581
  explicit: false
  by artist: Dr. Richard A. Schwartz
  in album: The Tuning C.D. (A=441)
    type: MusicAlbum
    date published: 2009-06-09
  genre: drone
  isrc code: USTC90991562
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T15:54:23+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xfd85426a92a47b348b42ecd3c76378fb508c7a5d5072f09ff7a1505a9e815d71
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956826
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956826
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTC90991562
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T19:27:56Z
  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 0xfd85426a92a47b348b42ecd3c76378fb508c7a5d5072f09ff7a1505a9e815d71. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/USTC90991562.
    date published: 2026-07-05T19:27:56Z
  audio: D
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 50
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0
    additional property: Energy
      type: PropertyValue
      value: 0
    additional property: Speechiness
      type: PropertyValue
      value: 0
    additional property: Acousticness
      type: PropertyValue
      value: 0
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0
    additional property: Loudness (dB)
      type: PropertyValue
      value: -18.951
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: G
  type: MusicRecording
  duration: PT3M4S
  duration ms: 184581
  explicit: false
  by artist: Dr. Richard A. Schwartz
  in album: The Tuning C.D. (A=441)
    type: MusicAlbum
    date published: 2009-06-09
  genre: drone
  isrc code: USTC90991573
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T13:29:40+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7cc0d2e39d1a8811271b56a83973728d886925913288dccc7f5077ec64d1129f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958601
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958601
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: G
track: A
track: A# / Bb

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTC90991573

OTSTimestamp
type: PropertyValue
value: 2026-07-18T19:27:02Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7cc0d2e39d1a8811271b56a83973728d886925913288dccc7f5077ec64d1129f. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/USTC90991573.
date published: 2026-07-18T19:27:02Z

G
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 50
additional property: Musical Key
  type: PropertyValue
  value: 1
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0
additional property: Energy
  type: PropertyValue
  value: 0
additional property: Speechiness
  type: PropertyValue
  value: 0
additional property: Acousticness
  type: PropertyValue
  value: 0
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0
additional property: Loudness (dB)
  type: PropertyValue
  value: -20.488
additional property: Key Name
  type: PropertyValue
  value: C#
additional property: Mode Name
  type: PropertyValue
  value: Major

A
type: MusicRecording
duration: PT3M4S
duration ms: 184581
explicit: false
by artist: Dr. Richard A. Schwartz
in album: The Tuning C.D. (A=441)
  type: MusicAlbum
  date published: 2009-06-09
genre: drone
isrc code: USTC90991576
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T05:29:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbb0a676f8edb080f1e7c67864f104b0bb72617c149a44a75c34d7224785bd1af
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956772
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956772
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTC90991576
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T10:01:46Z
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 0xbb0a676f8edb080f1e7c67864f104b0bb72617c149a44a75c34d7224785bd1af. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/USTC90991576.
  date published: 2026-07-05T10:01:46Z
audio: A
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 50
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0
  additional property: Energy
    type: PropertyValue
    value: 0
  additional property: Speechiness
    type: PropertyValue
    value: 0
  additional property: Acousticness
    type: PropertyValue
    value: 0
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.069
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

A# / Bb
type: MusicRecording
duration: PT3M4S
duration ms: 184581
explicit: false
by artist: Dr. Richard A. Schwartz
in album: The Tuning C.D. (A=441)
  type: MusicAlbum
  date published: 2009-06-09
genre: drone
isrc code: USTC90991580
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-18T19:25:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2d2b1a26009387b29a011a957ab56cb2114a702724b73652ddd936f7c81741e0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958612
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958612
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTC90991580
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-18T21:29:37Z
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 0x2d2b1a26009387b29a011a957ab56cb2114a702724b73652ddd936f7c81741e0. Chain 2 (Bitcoin): anchored in block 958612 (2026-07-18T21:29:37Z), 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/USTC90991580.
  date published: 2026-07-18T21:29:37Z
audio: A# / Bb
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 50
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0
  additional property: Energy
    type: PropertyValue
    value: 0
  additional property: Speechiness
    type: PropertyValue
    value: 0
  additional property: Acousticness
    type: PropertyValue
    value: 0
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.273
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

The Tuning C.D. (A=442)
type: MusicAlbum
date published: 2009-06-09
track: C
  type: MusicRecording
  duration: PT3M4S
  duration ms: 184137
  explicit: false
  by artist: Dr. Richard A. Schwartz
  in album: The Tuning C.D. (A=442)
    type: MusicAlbum
    date published: 2009-06-09
  genre: drone
  isrc code: USTC90991689
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T22:39:09+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0794c5b4a73bcd7761e4f8c05d65ce7dbb285e0d9a7d5626ccb5e99e0ad2796b
  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/USTC90991689
  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 0x0794c5b4a73bcd7761e4f8c05d65ce7dbb285e0d9a7d5626ccb5e99e0ad2796b. 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/USTC90991689.
    date published: 2026-07-04T11:19:20Z
  audio: C
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 50
    additional property: Musical Key
      type: PropertyValue
      value: 1
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0
    additional property: Energy
      type: PropertyValue
      value: 0
    additional property: Speechiness
      type: PropertyValue
      value: 0
    additional property: Acousticness
      type: PropertyValue
      value: 0
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0
    additional property: Loudness (dB)
      type: PropertyValue
      value: -19.535
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: C# / Db
  type: MusicRecording
  duration: PT3M5S
  duration ms: 185155
  explicit: false
  by artist: Dr. Richard A. Schwartz
  in album: The Tuning C.D. (A=442)
    type: MusicAlbum
    date published: 2009-06-09
  genre: drone
  isrc code: USTC90991690
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T00:54:02+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd44dcb0d40bffbf289fdf1d02c817368ed48a6283b7df97dbaea6243e50a871c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956856
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956856
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTC90991690
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-06T01:25:57Z
  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 0xd44dcb0d40bffbf289fdf1d02c817368ed48a6283b7df97dbaea6243e50a871c. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/USTC90991690.
    date published: 2026-07-06T01:25:57Z
  audio: C# / Db
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 50
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0
    additional property: Energy
      type: PropertyValue
      value: 0
    additional property: Speechiness
      type: PropertyValue
      value: 0
    additional property: Acousticness
      type: PropertyValue
      value: 0
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0
    additional property: Loudness (dB)
      type: PropertyValue
      value: -18.63
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: D
  type: MusicRecording
  duration: PT3M4S
  duration ms: 184137
  explicit: false
  by artist: Dr. Richard A. Schwartz
  in album: The Tuning C.D. (A=442)
    type: MusicAlbum
    date published: 2009-06-09
  genre: drone
  isrc code: USTC90991691
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T17:46:16+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe82a9f76266dd05f2a5feace2ca73e651778d333159ea5853c63d36f4b4570db
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958601
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958601
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: D
track: D# / Eb
track: E
track: F
track: F# / Gb
track: G
track: G# / Ab
track: A
track: A# / Bb

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTC90991691

OTSTimestamp
type: PropertyValue
value: 2026-07-18T19:27:02Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe82a9f76266dd05f2a5feace2ca73e651778d333159ea5853c63d36f4b4570db. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/USTC90991691.
date published: 2026-07-18T19:27:02Z

D
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 50
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
additional property: Energy
  type: PropertyValue
  value: 0
additional property: Speechiness
  type: PropertyValue
  value: 0
additional property: Acousticness
  type: PropertyValue
  value: 0
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0
additional property: Loudness (dB)
  type: PropertyValue
  value: -18.959
additional property: Key Name
  type: PropertyValue
  value: D
additional property: Mode Name
  type: PropertyValue
  value: Major

D# / Eb
type: MusicRecording
duration: PT3M4S
duration ms: 184137
explicit: false
by artist: Dr. Richard A. Schwartz
in album: The Tuning C.D. (A=442)
  type: MusicAlbum
  date published: 2009-06-09
genre: drone
isrc code: USTC90991693
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T09:48:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfc93e0043444fd37bd6f5afdd0683367b080754e348f28820571b750642d4336
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956772
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956772
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTC90991693
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T10:01:46Z
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 0xfc93e0043444fd37bd6f5afdd0683367b080754e348f28820571b750642d4336. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/USTC90991693.
  date published: 2026-07-05T10:01:46Z
audio: D# / Eb
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 50
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0
  additional property: Energy
    type: PropertyValue
    value: 0
  additional property: Speechiness
    type: PropertyValue
    value: 0
  additional property: Acousticness
    type: PropertyValue
    value: 0
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.547
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

E
type: MusicRecording
duration: PT3M4S
duration ms: 184137
explicit: false
by artist: Dr. Richard A. Schwartz
in album: The Tuning C.D. (A=442)
  type: MusicAlbum
  date published: 2009-06-09
genre: drone
isrc code: USTC90991695
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-19T14:01:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7e1f6ef974453759756b0e1ec2f23f19e8d19ef5eb3d8069eca8c419875e997d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958749
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958749
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTC90991695
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-19T15:48:23Z
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 0x7e1f6ef974453759756b0e1ec2f23f19e8d19ef5eb3d8069eca8c419875e997d. Chain 2 (Bitcoin): anchored in block 958749 (2026-07-19T15:48:23Z), 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/USTC90991695.
  date published: 2026-07-19T15:48:23Z
audio: E
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 50
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0
  additional property: Energy
    type: PropertyValue
    value: 0
  additional property: Speechiness
    type: PropertyValue
    value: 0
  additional property: Acousticness
    type: PropertyValue
    value: 0
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.379
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

F
type: MusicRecording
duration: PT3M4S
duration ms: 184137
explicit: false
by artist: Dr. Richard A. Schwartz
in album: The Tuning C.D. (A=442)
  type: MusicAlbum
  date published: 2009-06-09
genre: drone
isrc code: USTC90991696
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T15:51:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x85848285ff1b46601aa05b6af31719403f8e47ae41a13ac2b75c2f3b5accfe25
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956826
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956826
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTC90991696
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T19:27:56Z
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 0x85848285ff1b46601aa05b6af31719403f8e47ae41a13ac2b75c2f3b5accfe25. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/USTC90991696.
  date published: 2026-07-05T19:27:56Z
audio: F
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 50
  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
  additional property: Energy
    type: PropertyValue
    value: 0
  additional property: Speechiness
    type: PropertyValue
    value: 0
  additional property: Acousticness
    type: PropertyValue
    value: 0
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.348
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

F# / Gb
type: MusicRecording
duration: PT3M4S
duration ms: 184163
explicit: false
by artist: Dr. Richard A. Schwartz
in album: The Tuning C.D. (A=442)
  type: MusicAlbum
  date published: 2009-06-09
genre: drone
isrc code: USTC90991698
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-19T07:54:51+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe1a862466d0e237d77cbf6887b209be957058c3946174c8f98ef8385c1380806
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958700
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958700
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTC90991698
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-19T08:09:50Z
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 → 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 0xe1a862466d0e237d77cbf6887b209be957058c3946174c8f98ef8385c1380806. Chain 2 (Bitcoin): anchored in block 958700 (2026-07-19T08:09:50Z), 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/USTC90991698.
  date published: 2026-07-19T08:09:50Z
audio: F# / Gb
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 50
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0
  additional property: Energy
    type: PropertyValue
    value: 0
  additional property: Speechiness
    type: PropertyValue
    value: 0
  additional property: Acousticness
    type: PropertyValue
    value: 0
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.154
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

G
type: MusicRecording
duration: PT3M4S
duration ms: 184137
explicit: false
by artist: Dr. Richard A. Schwartz
in album: The Tuning C.D. (A=442)
  type: MusicAlbum
  date published: 2009-06-09
genre: drone
isrc code: USTC90991699
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T18:37:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x584c78eeb4fcfed94a394b7de8472b1925ce7ad42f1de2caea0ee055a47265a4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958447
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958447
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTC90991699
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T19:47:19Z
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 0x584c78eeb4fcfed94a394b7de8472b1925ce7ad42f1de2caea0ee055a47265a4. Chain 2 (Bitcoin): anchored in block 958447 (2026-07-17T19:47:19Z), 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/USTC90991699.
  date published: 2026-07-17T19:47:19Z
audio: G
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 50
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0
  additional property: Energy
    type: PropertyValue
    value: 0
  additional property: Speechiness
    type: PropertyValue
    value: 0
  additional property: Acousticness
    type: PropertyValue
    value: 0
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.471
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

G# / Ab
type: MusicRecording
duration: PT3M4S
duration ms: 184137
explicit: false
by artist: Dr. Richard A. Schwartz
in album: The Tuning C.D. (A=442)
  type: MusicAlbum
  date published: 2009-06-09
genre: drone
isrc code: USTC90991700
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-20T18:44:03+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb6bc390b032c6a5ec755b52d0475a6d708824b3ffa94fe8f69589ee7c3be7f2f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958924
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958924
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTC90991700
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-20T21:45:55Z
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 0xb6bc390b032c6a5ec755b52d0475a6d708824b3ffa94fe8f69589ee7c3be7f2f. Chain 2 (Bitcoin): anchored in block 958924 (2026-07-20T21:45:55Z), 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/USTC90991700.
  date published: 2026-07-20T21:45:55Z
audio: G# / Ab
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 50
  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
  additional property: Energy
    type: PropertyValue
    value: 0
  additional property: Speechiness
    type: PropertyValue
    value: 0
  additional property: Acousticness
    type: PropertyValue
    value: 0
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.644
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

A
type: MusicRecording
duration: PT3M4S
duration ms: 184137
explicit: false
by artist: Dr. Richard A. Schwartz
in album: The Tuning C.D. (A=442)
  type: MusicAlbum
  date published: 2009-06-09
genre: drone
isrc code: USTC90991702
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-18T19:16:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa845df929df8d49437ea4b4d0184bc1bd5427c76a86bc289e90da2aba905d277
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958601
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958601
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTC90991702
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-18T19:27:02Z
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 0xa845df929df8d49437ea4b4d0184bc1bd5427c76a86bc289e90da2aba905d277. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/USTC90991702.
  date published: 2026-07-18T19:27:02Z
audio: A
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 50
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0
  additional property: Energy
    type: PropertyValue
    value: 0
  additional property: Speechiness
    type: PropertyValue
    value: 0
  additional property: Acousticness
    type: PropertyValue
    value: 0
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.037
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

A# / Bb
type: MusicRecording
duration: PT3M4S
duration ms: 184137
explicit: false
by artist: Dr. Richard A. Schwartz
in album: The Tuning C.D. (A=442)
  type: MusicAlbum
  date published: 2009-06-09
genre: drone
isrc code: USTC90991703
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-18T01:42:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7cbf408ec428155780b6f246edd371a5b3252117dc9361dece0eaebfce0e4d9a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958480
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958480
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTC90991703
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-18T02:58:58Z
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 0x7cbf408ec428155780b6f246edd371a5b3252117dc9361dece0eaebfce0e4d9a. Chain 2 (Bitcoin): anchored in block 958480 (2026-07-18T02:58:58Z), 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/USTC90991703.
  date published: 2026-07-18T02:58:58Z
audio: A# / Bb
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 50
  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
  additional property: Energy
    type: PropertyValue
    value: 0
  additional property: Speechiness
    type: PropertyValue
    value: 0
  additional property: Acousticness
    type: PropertyValue
    value: 0
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.242
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major