William Chapman Nyaho
type: MusicGroup
genre: classical piano
description: William H. Chapman Nyaho (surname Chapman Nyaho; b. Washington, D.C., 1958) is an American concert pianist specializing in solo piano music by composers from Africa and the African diaspora. He gradu
popularity: 29
followers: 786
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe9f1eee0e0d5ef1dca9c219a46eb95cdd7e3312993f222414e68baa064354141
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/c0dd6681-6b75-415a-835b-79c88b6fb618.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c0dd6681-6b75-415a-835b-79c88b6fb618.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c0dd6681-6b75-415a-835b-79c88b6fb618
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe9f1eee0e0d5ef1dca9c219a46eb95cdd7e3312993f222414e68baa064354141","name":"William Chapman Nyaho","registered_at":"2026-06-12T08:56:41Z","symbol":"NIM0248828","token_address":"0xdfa8aed4a083cafc257fea18e1c8623767506841","type":"artist","uuid":"c0dd6681-6b75-415a-835b-79c88b6fb618"}
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 0xe9f1eee0e0d5ef1dca9c219a46eb95cdd7e3312993f222414e68baa064354141. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c0dd6681-6b75-415a-835b-79c88b6fb618.json and https://artists.proofprofile.net/proofs/artist/c0dd6681-6b75-415a-835b-79c88b6fb618.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T21:20:00Z
  text: {"copyright_id":"0xe9f1eee0e0d5ef1dca9c219a46eb95cdd7e3312993f222414e68baa064354141","name":"William Chapman Nyaho","registered_at":"2026-06-12T08:56:41Z","symbol":"NIM0248828","token_address":"0xdfa8aed4a083cafc257fea18e1c8623767506841","type":"artist","uuid":"c0dd6681-6b75-415a-835b-79c88b6fb618"}
album: Senku - Piano Music by Composers of African Descent, Vol. 1
  type: MusicAlbum
  date published: 2003-08-28
album: Asa - Piano Music by Composers of African Descent, Vol. 2
  type: MusicAlbum
  date published: 2008-11-14
album: Kete - Piano Music of Africa and the African Diaspora
  type: MusicAlbum
  date published: 2020-02-29
album: Five By Four - Music for Piano Duo by Alberga, Grantham, Kerr, Sung and Piazzolla
  type: MusicAlbum
  date published: 2022-04-13
track: Caribbean sunshine

Caribbean sunshine
type: MusicRecording
duration: PT1M5S
duration ms: 65379
explicit: false
by artist: William Chapman Nyaho
by artist: Pauline Hall
by artist: Oxford University Press Music
in album: Piano Time 3
  type: MusicAlbum
  date published: 2024-07-18
popularity: 0
isrc code: GBN3Q2403517
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T10:27:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb2ff8cf273c072a6c22b0034bcade6111e2a9b4dd7291b1d7d775131e1959baf
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBN3Q2403517
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+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
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: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2ff8cf273c072a6c22b0034bcade6111e2a9b4dd7291b1d7d775131e1959baf. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/GBN3Q2403517.
  date published: 2026-07-08T03:53:27Z
audio: Caribbean sunshine
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 135.719
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.795
  additional property: Energy
    type: PropertyValue
    value: 0.117
  additional property: Speechiness
    type: PropertyValue
    value: 0.086
  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.964
  additional property: Liveness
    type: PropertyValue
    value: 0.097
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.812
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.097
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major