William Brown
type: MusicGroup
genre: opera
genre: ragtime
description: William, Will, Willie, Bill or Billy Brown may refer to: Academics William Brown (physician) (1748–1792), American physician William Brown (veterinarian) (1861–1931), English veterinarian and activis
popularity: 8
followers: 459
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x9940b908f2f0655d024c9c26f22af057fc3dbe1ad424caa38fdba5934fed8412
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSProofURL
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additional property: OTSRecordURL
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additional property: OTSVerificationAPI
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additional property: OTSCanonicalRecord
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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
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  date published: 2026-06-20T19:10:41Z
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album: Fi-Yer!
  type: MusicAlbum
  date published: 1999-03-01
album: Spark
  type: MusicAlbum
  date published: 2024-05-15
album: Solely Give Me a Signal
  type: MusicAlbum
  date published: 2024-05-16
album: Numbering Galaxies
  type: MusicAlbum
  date published: 2024-05-20
album: Where Our Journey Reprise
  type: MusicAlbum
  date published: 2024-06-22
album: You're there Reprise
  type: MusicAlbum
  date published: 2024-06-22
album: I would sacrifice Reprise
  type: MusicAlbum
  date published: 2024-06-22
track: Porgy and Bess / Act 1: "My Man's Gone Now"
track: Porgy and Bess / Act 1: "Here Come De Honey Man ... Here's the Ol' Crap Shark"
track: Porgy and Bess / Act 1: "They Pass By Singin'...Here Comes Big Boy!...Don't You Ever Let a Woman Grieve You"
track: Porgy and Bess / Act 1: "Overflow, Overflow ... Gawd Got Plenty Of Money For De Saucer"
track: Porgy and Bess / Act 1: "Um! A Saucer-Burial Setup, I See"
track: Porgy and Bess / Act 1: "Headin' For the Promis' Lan'"

Porgy and Bess / Act 1: "My Man's Gone Now"
type: MusicRecording
duration: PT6M35S
duration ms: 395866
explicit: false
by artist: George Gershwin
by artist: Florence Quivar
by artist: Willard White
by artist: Arthur Thompson
by artist: William Brown
by artist: Robert Snook
by artist: Ralph Neally
by artist: Barbara Conrad
by artist: Isola Jones
by artist: The Cleveland Orchestra Chorus
by artist: The Cleveland Orchestra
by artist: Lorin Maazel
in album: Gershwin: Porgy & Bess
  type: MusicAlbum
  date published: 1976-01-01
isrc code: GBF077540211
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: OTSHash
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda75da9155dba33c16555cff9f38ee4caa7c252065a1b4265f79a0f970d49d3b. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/GBF077540211.
  date published: 2026-07-08T03:20:19Z
audio: Porgy and Bess / Act 1: "My Man's Gone Now"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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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
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Porgy and Bess / Act 1: "Here Come De Honey Man ... Here's the Ol' Crap Shark"
type: MusicRecording
duration: PT3M27S
duration ms: 207133
explicit: false
by artist: George Gershwin
by artist: William Brown
by artist: Isola Jones
by artist: Barbara Conrad
by artist: Arthur Thompson
by artist: James Vincent Pickens
by artist: Francois Clemmons
by artist: Christopher Deane
by artist: Willard White
by artist: Florence Quivar
by artist: The Cleveland Orchestra Chorus
by artist: The Cleveland Orchestra
by artist: Lorin Maazel
in album: Gershwin: Porgy & Bess
  type: MusicAlbum
  date published: 1976-01-01
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd05fe884d7868bb8731bc2f6e7e9da25343e24f4768d6d93a52b566acaf3f13d. Chain 2 (Bitcoin): anchored in block 960344 (2026-07-31T04:14:58Z), 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/GBF077540204.
  date published: 2026-07-31T04:14:58Z
audio: Porgy and Bess / Act 1: "Here Come De Honey Man ... Here's the Ol' Crap Shark"
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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
    type: PropertyValue
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0.004
  additional property: Liveness
    type: PropertyValue
    value: 0.597
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.24
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.114
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: GBF077540204
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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  value: https://blockstream.info/api/block-height/960344
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T04:14:58+00:00
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

Porgy and Bess / Act 1: "They Pass By Singin'...Here Comes Big Boy!...Don't You Ever Let a Woman Grieve You"
type: MusicRecording
duration: PT8M45S
duration ms: 525973
explicit: false
by artist: George Gershwin
by artist: Willard White
by artist: McHenry Boatwright
by artist: James Vincent Pickens
by artist: Arthur Thompson
by artist: Christopher Deane
by artist: Florence Quivar
by artist: Leona Mitchell
by artist: Samuel Hagan
by artist: Francois Clemmons
by artist: William Brown
by artist: The Cleveland Orchestra Chorus
by artist: The Cleveland Orchestra
by artist: Lorin Maazel
in album: Gershwin: Porgy & Bess
  type: MusicAlbum
  date published: 1976-01-01
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2277a766308cdb399919937523a83279d13281c5e00efc52329bf571dea6ba05. Chain 2 (Bitcoin): anchored in block 960302 (2026-07-30T20:09:33Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077540205.
  date published: 2026-07-30T20:09:33Z
audio: Porgy and Bess / Act 1: "They Pass By Singin'...Here Comes Big Boy!...Don't You Ever Let a Woman Grieve You"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.297
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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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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    value: 0.133
  additional property: Loudness (dB)
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  additional property: Key Name
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    value: G
  additional property: Mode Name
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isrc code: GBF077540205
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960302
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T20:09:33+00:00
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

Porgy and Bess / Act 1: "Overflow, Overflow ... Gawd Got Plenty Of Money For De Saucer"
type: MusicRecording
duration: PT2M53S
duration ms: 173293
explicit: false
by artist: George Gershwin
by artist: Arthur Thompson
by artist: William Brown
by artist: Florence Quivar
by artist: Barbara Conrad
by artist: Willard White
by artist: The Cleveland Orchestra Chorus
by artist: The Cleveland Orchestra
by artist: Lorin Maazel
in album: Gershwin: Porgy & Bess
  type: MusicAlbum
  date published: 1976-01-01
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62cb3c427e59d0d6f8a4f42c0e3bfc2a876ca78ee16785c4a6f7730332c1fffd. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077540209.
  date published: 2026-07-31T17:29:52Z
audio: Porgy and Bess / Act 1: "Overflow, Overflow ... Gawd Got Plenty Of Money For De Saucer"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 165.542
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.33
  additional property: Energy
    type: PropertyValue
    value: 0.294
  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)
    type: PropertyValue
    value: 0.163
  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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    value: G
  additional property: Mode Name
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isrc code: GBF077540209
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSTimestamp
  type: PropertyValue
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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

Porgy and Bess / Act 1: "Um! A Saucer-Burial Setup, I See"
type: MusicRecording
duration: PT3M36S
duration ms: 216706
explicit: false
by artist: George Gershwin
by artist: Robert Snook
by artist: Florence Quivar
by artist: Isola Jones
by artist: William Brown
by artist: Willard White
by artist: Ralph Neally
by artist: The Cleveland Orchestra Chorus
by artist: The Cleveland Orchestra
by artist: Lorin Maazel
in album: Gershwin: Porgy & Bess
  type: MusicAlbum
  date published: 1976-01-01
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x778c62c7aced9cdf6e846e70ad69b2e2a8b9cd470da42f66e94a57d8faa5dc42. Chain 2 (Bitcoin): anchored in block 960410 (2026-07-31T13:50:38Z), 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/GBF077540210.
  date published: 2026-07-31T13:50:38Z
audio: Porgy and Bess / Act 1: "Um! A Saucer-Burial Setup, I See"
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.496
  additional property: Energy
    type: PropertyValue
    value: 0.182
  additional property: Speechiness
    type: PropertyValue
    value: 0.219
  additional property: Acousticness
    type: PropertyValue
    value: 0.922
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.536
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.155
  additional property: Loudness (dB)
    type: PropertyValue
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isrc code: GBF077540210
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSTimestamp
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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

Porgy and Bess / Act 1: "Headin' For the Promis' Lan'"
type: MusicRecording
duration: PT4M31S
duration ms: 271626
explicit: false
by artist: George Gershwin
by artist: Leona Mitchell
by artist: James Vincent Pickens
by artist: Florence Quivar
by artist: Arthur Thompson
by artist: William Brown
by artist: Robert Snook
by artist: Ralph Neally
by artist: Barbara Conrad
by artist: Isola Jones
by artist: The Cleveland Orchestra Chorus
by artist: The Cleveland Orchestra
by artist: Lorin Maazel
in album: Gershwin: Porgy & Bess
  type: MusicAlbum
  date published: 1976-01-01
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d227a662f64495ae8f03c0e3b75f919c928ef21099c2facbb190a3eebbcb463. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/GBF077540212.
  date published: 2026-07-31T18:48:12Z
audio: Porgy and Bess / Act 1: "Headin' For the Promis' Lan'"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 127.701
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.378
  additional property: Energy
    type: PropertyValue
    value: 0.287
  additional property: Speechiness
    type: PropertyValue
    value: 0.062
  additional property: Acousticness
    type: PropertyValue
    value: 0.974
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.008
  additional property: Liveness
    type: PropertyValue
    value: 0.121
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.203
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.634
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: GBF077540212
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960448
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T18:48:12+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077540212
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960448
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960448
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T18:48:12+00:00
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