The Boston Four
type: MusicGroup
genre: jazz
popularity: 36
followers: 786
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbda5bffa7c4cd7832d4bee4107c256991376f79ea881737eb1116b9f502ee3a5
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/dd1a729d-cdec-41f3-8422-4f6ad3a89c0b.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/dd1a729d-cdec-41f3-8422-4f6ad3a89c0b.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/dd1a729d-cdec-41f3-8422-4f6ad3a89c0b
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xbda5bffa7c4cd7832d4bee4107c256991376f79ea881737eb1116b9f502ee3a5","name":"The Boston Four","registered_at":"2026-06-12T11:34:38Z","symbol":"NIM0285427","token_address":"0xa33420107574f129e63f5efcfbb6ea1970b87e48","type":"artist","uuid":"dd1a729d-cdec-41f3-8422-4f6ad3a89c0b"}
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 0xbda5bffa7c4cd7832d4bee4107c256991376f79ea881737eb1116b9f502ee3a5. 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/dd1a729d-cdec-41f3-8422-4f6ad3a89c0b.json and https://artists.proofprofile.net/proofs/artist/dd1a729d-cdec-41f3-8422-4f6ad3a89c0b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
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album: Calm Seas Ahead
  type: MusicAlbum
  date published: 2018-06-08
album: Violets For Your Furs
  type: MusicAlbum
  date published: 2021-09-10
album: Get Well Soon
  type: MusicAlbum
  date published: 2021-11-12
album: All My Tomorrows
  type: MusicAlbum
  date published: 2022-01-21
album: Ballad For Trane
  type: MusicAlbum
  date published: 2022-02-11
album: Close Enough For Love
  type: MusicAlbum
  date published: 2022-06-17
  track: Close Enough For Love
    type: MusicRecording
    duration: PT3M25S
    duration ms: 205078
    explicit: false
    by artist: The Boston Four
    in album: Close Enough For Love
      type: MusicAlbum
      date published: 2022-06-17
    genre: jazz
    isrc code: SE5W32202092
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T15:33:16+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xa4ba3e464db8ef1bb58ba90dca60bd5b74ecdc0d1a12cf5699383396ae9e9980
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956560
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956560
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SE5W32202092
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T23:28:02Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4ba3e464db8ef1bb58ba90dca60bd5b74ecdc0d1a12cf5699383396ae9e9980. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SE5W32202092.
      date published: 2026-07-03T23:28:02Z
    audio: Close Enough For Love
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 114.931
      additional property: Musical Key
        type: PropertyValue
        value: 7
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.487
      additional property: Energy
        type: PropertyValue
        value: 0.187
      additional property: Speechiness
        type: PropertyValue
        value: 0.037
      additional property: Acousticness
        type: PropertyValue
        value: 0.948
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.859
      additional property: Liveness
        type: PropertyValue
        value: 0.162
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.155
      additional property: Loudness (dB)
        type: PropertyValue
        value: -15.774
      additional property: Key Name
        type: PropertyValue
        value: G
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Oh So Sweet
  type: MusicAlbum
  date published: 2022-08-12
album: Yesterday
  type: MusicAlbum
  date published: 2022-09-09
album: Bullock's Oriole
  type: MusicAlbum
  date published: 2023-03-10
album: Calm Seas Ahead
  type: MusicAlbum
  date published: 2023-04-21
album: The Transit Hall
  type: MusicAlbum
  date published: 2023-05-19
album: My uncle in Montevideo
  type: MusicAlbum
  date published: 2023-08-18
  track: My uncle in Montevideo
    type: MusicRecording
    duration: PT2M55S
    duration ms: 175928
    explicit: false
    by artist: The Boston Four
    in album: My uncle in Montevideo
      type: MusicAlbum
      date published: 2023-08-18
    genre: jazz
    isrc code: SE5W32308075
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-19T21:53:06+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x82330b80815f519c38d807f1e9d57f40c86e9de89f65a5ad02e3f7a8b1560e0d
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958793
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958793
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SE5W32308075
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T22:59:45Z
    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 0x82330b80815f519c38d807f1e9d57f40c86e9de89f65a5ad02e3f7a8b1560e0d. Chain 2 (Bitcoin): anchored in block 958793 (2026-07-19T22:59:45Z), 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/SE5W32308075.
      date published: 2026-07-19T22:59:45Z
    audio: My uncle in Montevideo
album: I was young once
album: Would You Mind?
album: Ferocious Beauty
album: Melancholia
album: A room with a view
album: Sense of security

My uncle in Montevideo
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 128.822
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: 0.33
additional property: Energy
  type: PropertyValue
  value: 0.184
additional property: Speechiness
  type: PropertyValue
  value: 0.035
additional property: Acousticness
  type: PropertyValue
  value: 0.909
additional property: Instrumentalness
  type: PropertyValue
  value: 0.01
additional property: Liveness
  type: PropertyValue
  value: 0.112
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.48
additional property: Loudness (dB)
  type: PropertyValue
  value: -14.077
additional property: Key Name
  type: PropertyValue
  value: F
additional property: Mode Name
  type: PropertyValue
  value: Major

I was young once
type: MusicAlbum
date published: 2024-01-26

Would You Mind?
type: MusicAlbum
date published: 2024-02-23
track: Would You Mind?
  type: MusicRecording
  duration: PT3M34S
  duration ms: 214455
  explicit: false
  by artist: The Boston Four
  in album: Would You Mind?
    type: MusicAlbum
    date published: 2024-02-23
  genre: jazz
  isrc code: SE5W32400206
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T23:45:09+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x95944b44248c28d0564d42a0f9520481cce1c14728764c65426ae69a3edcc4ff
  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/SE5W32400206
  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 0x95944b44248c28d0564d42a0f9520481cce1c14728764c65426ae69a3edcc4ff. 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/SE5W32400206.
    date published: 2026-07-04T11:19:20Z
  audio: Would You Mind?
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 110.178
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.285
    additional property: Energy
      type: PropertyValue
      value: 0.135
    additional property: Speechiness
      type: PropertyValue
      value: 0.034
    additional property: Acousticness
      type: PropertyValue
      value: 0.984
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.93
    additional property: Liveness
      type: PropertyValue
      value: 0.095
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.122
    additional property: Loudness (dB)
      type: PropertyValue
      value: -16.15
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Ferocious Beauty
type: MusicAlbum
date published: 2024-04-26

Melancholia
type: MusicAlbum
date published: 2024-09-20

A room with a view
type: MusicAlbum
date published: 2024-11-08

Sense of security
type: MusicAlbum
date published: 2025-02-14
track: Sense of security
  type: MusicRecording
  duration: PT3M29S
  duration ms: 209199
  explicit: false
  by artist: The Boston Four
  in album: Sense of security
    type: MusicAlbum
    date published: 2025-02-14
  genre: jazz
  isrc code: SE5W32505056
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T23:20:43+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4fd70ff079d6006edb53d405e481bc6da64bff31dae7294e7309e4a4089f1b46
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956725
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956725
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SE5W32505056
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T01:12:41Z
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4fd70ff079d6006edb53d405e481bc6da64bff31dae7294e7309e4a4089f1b46. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SE5W32505056.
    date published: 2026-07-05T01:12:41Z
  audio: Sense of security
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 110.547
    additional property: Musical Key
      type: PropertyValue
      value: 6
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.322
    additional property: Energy
      type: PropertyValue
      value: 0.188
    additional property: Speechiness
      type: PropertyValue
      value: 0.033
    additional property: Acousticness
      type: PropertyValue
      value: 0.937
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.942
    additional property: Liveness
      type: PropertyValue
      value: 0.116
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.152
    additional property: Loudness (dB)
      type: PropertyValue
      value: -15.508
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Major