Sarah Brown
type: MusicGroup
popularity: 23
followers: 2402
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x53706e11ca9a8327ddaf8d712c0b8409321f7f482fa32a86e60d2994e3ac7bd3
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/93be97c3-d1de-4cd1-8a9b-146e387a6d5f.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/93be97c3-d1de-4cd1-8a9b-146e387a6d5f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/93be97c3-d1de-4cd1-8a9b-146e387a6d5f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x53706e11ca9a8327ddaf8d712c0b8409321f7f482fa32a86e60d2994e3ac7bd3","name":"Sarah Brown","registered_at":"2026-06-12T04:48:32Z","symbol":"NIM0191495","token_address":"0x969fa21a59f64a129e05536e45007eabb3e48f95","type":"artist","uuid":"93be97c3-d1de-4cd1-8a9b-146e387a6d5f"}
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53706e11ca9a8327ddaf8d712c0b8409321f7f482fa32a86e60d2994e3ac7bd3. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/93be97c3-d1de-4cd1-8a9b-146e387a6d5f.json and https://artists.proofprofile.net/proofs/artist/93be97c3-d1de-4cd1-8a9b-146e387a6d5f.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-12T19:24:56Z
  text: {"copyright_id":"0x53706e11ca9a8327ddaf8d712c0b8409321f7f482fa32a86e60d2994e3ac7bd3","name":"Sarah Brown","registered_at":"2026-06-12T04:48:32Z","symbol":"NIM0191495","token_address":"0x969fa21a59f64a129e05536e45007eabb3e48f95","type":"artist","uuid":"93be97c3-d1de-4cd1-8a9b-146e387a6d5f"}
album: I'm On My Way
  type: MusicAlbum
  date published: 2022-01-27
  track: I'm On My Way
    type: MusicRecording
    duration: PT3M4S
    duration ms: 184177
    explicit: false
    by artist: Sarah Brown
    in album: I'm On My Way
      type: MusicAlbum
      date published: 2022-01-27
    isrc code: GX5AG2100004
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T00:25:37+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x0b620e8702b82fc5298ba0876ded402036a888325485d7a44154c78f48d64aea
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956634
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956634
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GX5AG2100004
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-04T10:04:33Z
    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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b620e8702b82fc5298ba0876ded402036a888325485d7a44154c78f48d64aea. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GX5AG2100004 — a six-check JSON result.
      date published: 2026-07-04T10:04:33Z
    audio: I'm On My Way
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 136.966
      additional property: Musical Key
        type: PropertyValue
        value: 8
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.759
      additional property: Energy
        type: PropertyValue
        value: 0.322
      additional property: Speechiness
        type: PropertyValue
        value: 0.037
      additional property: Acousticness
        type: PropertyValue
        value: 0.656
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.003
      additional property: Liveness
        type: PropertyValue
        value: 0.099
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.579
      additional property: Loudness (dB)
        type: PropertyValue
        value: -11.897
      additional property: Key Name
        type: PropertyValue
        value: Ab
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: I'm On My Way
  type: MusicAlbum
  date published: 2022-01-27
album: Walk Over Heaven
  type: MusicAlbum
  date published: 2022-05-06
album: Sarah Brown Sings Mahalia Jackson
  type: MusicAlbum
  date published: 2022-05-20
  track: Nobody Knows
    type: MusicRecording
    duration: PT3M29S
    duration ms: 209000
    explicit: false
    by artist: Sarah Brown
    in album: Sarah Brown Sings Mahalia Jackson
      type: MusicAlbum
      date published: 2022-05-20
    isrc code: GX5AG2100001
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-21T01:28:37+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xa088d97488fa93dd77571fbd168a68fa05d0676c0759462ef852a60f5df6272f
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958951
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958951
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GX5AG2100001
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-21T02:01:41Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → 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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa088d97488fa93dd77571fbd168a68fa05d0676c0759462ef852a60f5df6272f. Chain 2 (Bitcoin): anchored in block 958951 (2026-07-21T02:01:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GX5AG2100001 — a six-check JSON result.
      date published: 2026-07-21T02:01:41Z
    audio: Nobody Knows
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 132.097
      additional property: Musical Key
        type: PropertyValue
        value: 0
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.541
      additional property: Energy
        type: PropertyValue
        value: 0.271
      additional property: Speechiness
        type: PropertyValue
        value: 0.049
      additional property: Acousticness
        type: PropertyValue
        value: 0.859
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
  track: Didn't it Rain
  track: Summertime
  track: Just a Closer Walk
  track: Joshua
  track: Amazing Grace
album: Didn't It Rain
album: Amazing Grace

Liveness
type: PropertyValue
value: 0.084

Valence (Positivity)
type: PropertyValue
value: 0.193

Loudness (dB)
type: PropertyValue
value: -11.904

Key Name
type: PropertyValue
value: C

Mode Name
type: PropertyValue
value: Minor

Didn't it Rain
type: MusicRecording
duration: PT3M41S
duration ms: 221637
explicit: false
by artist: Sarah Brown
in album: Sarah Brown Sings Mahalia Jackson
  type: MusicAlbum
  date published: 2022-05-20
isrc code: GX5AG2100002
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-20T04:07:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x711309fcf92a70daef1a1426cff03c6b229f6f1bcd458c45dbd8feaf0bc7192b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958822
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958822
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GX5AG2100002
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-20T04:30:07Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x711309fcf92a70daef1a1426cff03c6b229f6f1bcd458c45dbd8feaf0bc7192b. Chain 2 (Bitcoin): anchored in block 958822 (2026-07-20T04:30:07Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GX5AG2100002 — a six-check JSON result.
  date published: 2026-07-20T04:30:07Z
audio: Didn't it Rain
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 127.029
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.773
  additional property: Energy
    type: PropertyValue
    value: 0.433
  additional property: Speechiness
    type: PropertyValue
    value: 0.079
  additional property: Acousticness
    type: PropertyValue
    value: 0.707
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.116
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.593
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.033
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Summertime
type: MusicRecording
duration: PT6M14S
duration ms: 374723
explicit: false
by artist: Sarah Brown
in album: Sarah Brown Sings Mahalia Jackson
  type: MusicAlbum
  date published: 2022-05-20
isrc code: GX5AG2100008
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-18T05:34:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x338db9e8f45bf4966d29f26201fd09143db0bb64fa215e2ce21180c811acb668
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958506
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958506
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GX5AG2100008
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-18T06:14:51Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x338db9e8f45bf4966d29f26201fd09143db0bb64fa215e2ce21180c811acb668. Chain 2 (Bitcoin): anchored in block 958506 (2026-07-18T06:14:51Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GX5AG2100008 — a six-check JSON result.
  date published: 2026-07-18T06:14:51Z
audio: Summertime
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.442
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.382
  additional property: Energy
    type: PropertyValue
    value: 0.15
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.79
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.132
  additional property: Liveness
    type: PropertyValue
    value: 0.094
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.057
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.492
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Just a Closer Walk
type: MusicRecording
duration: PT3M42S
duration ms: 222248
explicit: false
by artist: Sarah Brown
in album: Sarah Brown Sings Mahalia Jackson
  type: MusicAlbum
  date published: 2022-05-20
isrc code: GX5AG2100007
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-18T16:00:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x81a6b600be3f5197142b513dcf69095a904b92f2a02a29cfc8eb8d3b4051df0e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958576
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958576
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GX5AG2100007
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-18T16:22:28Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81a6b600be3f5197142b513dcf69095a904b92f2a02a29cfc8eb8d3b4051df0e. Chain 2 (Bitcoin): anchored in block 958576 (2026-07-18T16:22:28Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GX5AG2100007 — a six-check JSON result.
  date published: 2026-07-18T16:22:28Z
audio: Just a Closer Walk
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 93.107
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.426
  additional property: Energy
    type: PropertyValue
    value: 0.114
  additional property: Speechiness
    type: PropertyValue
    value: 0.032
  additional property: Acousticness
    type: PropertyValue
    value: 0.898
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.1
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.299
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.485
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Joshua
type: MusicRecording
duration: PT2M32S
duration ms: 152723
explicit: false
by artist: Sarah Brown
in album: Sarah Brown Sings Mahalia Jackson
  type: MusicAlbum
  date published: 2022-05-20
isrc code: GX5AG2100003
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-16T09:58:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x13ddb5dcf27a4b2641412f8a7f0a96cde8489198f494b41c6cd2df79241d9dbe
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958276
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958276
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GX5AG2100003
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T10:20:17Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13ddb5dcf27a4b2641412f8a7f0a96cde8489198f494b41c6cd2df79241d9dbe. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T10:20:17Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GX5AG2100003 — a six-check JSON result.
  date published: 2026-07-16T10:20:17Z
audio: Joshua
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 87.982
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.783
  additional property: Energy
    type: PropertyValue
    value: 0.392
  additional property: Speechiness
    type: PropertyValue
    value: 0.067
  additional property: Acousticness
    type: PropertyValue
    value: 0.668
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Amazing Grace
type: MusicRecording
duration: PT1M56S
duration ms: 116591
explicit: false
by artist: Sarah Brown
in album: Sarah Brown Sings Mahalia Jackson
  type: MusicAlbum
  date published: 2022-05-20
isrc code: GX5AG2100005
additional property: CopyrightID
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/959114
additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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  value: 2026-07-22T08:41:42Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ce7c760e2415840e0a5249c1a2c2c9ff52596635fcb4043692ac21f9257888f. Chain 2 (Bitcoin): anchored in block 959114 (2026-07-22T08:41:42Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GX5AG2100005 — a six-check JSON result.
  date published: 2026-07-22T08:41:42Z
audio: Amazing Grace
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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Didn't It Rain
type: MusicAlbum
date published: 2022-11-11

Amazing Grace
type: MusicAlbum
date published: 2024-04-19