C. K. Mann
type: MusicGroup
genre: highlife
genre: hiplife
description: Charles Kofi Amankwaa Mann (1936 – March 20, 2018), known as C. K. Mann, was a Ghanaian highlife musician and producer. His music career spanned over four decades; he won multiple awards for his songs
popularity: 13
followers: 4760
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSVerifyInstructions
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  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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b27e87b4643a00218a66dae5b23fcb5fa78262be6b119515dcb43395f379120. Chain 2 (Bitcoin): anchored in block 953620 (2026-06-14T09:36:10Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1cbd9d23-facf-48cb-b975-52b0de88f7de.json and https://artists.proofprofile.net/proofs/artist/1cbd9d23-facf-48cb-b975-52b0de88f7de.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T09:36:10Z
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album: Ko Ma Monko
  type: MusicAlbum
  date published: 1978
album: Salsa Con Gana
  type: MusicAlbum
  date published: 2008-01-01
album: Adwoa Yankey
  type: MusicAlbum
  date published: 2014-11-03
album: Adwoa Yankey
  type: MusicAlbum
  date published: 2014-11-03
album: Adwoa Yankey
  type: MusicAlbum
  date published: 2014-11-03
album: Adwoa Yankey
  type: MusicAlbum
  date published: 2014-11-03
album: Adwoa Yankey
  type: MusicAlbum
  date published: 2014-11-03
album: The Medleys - Part 1
  type: MusicAlbum
  date published: 2014-11-14
album: The Medleys - Part 2
  type: MusicAlbum
  date published: 2014-11-14
album: The Medleys, Pt. 2
  type: MusicAlbum
  date published: 2014-11-14
album: The Medleys - Part 1
  type: MusicAlbum
  date published: 2014-11-14
album: Ko Ma Monko (feat. Kofi Yankson)
  type: MusicAlbum
  date published: 2015-10-15
album: Ko Ma Monko
  type: MusicAlbum
  date published: 2015-10-15
album: Funky HighLife
  type: MusicAlbum
  date published: 2016-11-16
album: I need thee (Me hia wo)
  type: MusicAlbum
  date published: 2025-03-20
album: Rejoice
  type: MusicAlbum
  date published: 2025-03-20
album: Timeless Highlife
  type: MusicAlbum
  date published: 2025-06-20
  track: Mawerekyekyer
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    explicit: false
    by artist: C. K. Mann
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      type: MusicAlbum
      date published: 2025-06-20
    genre: highlife
    genre: hiplife
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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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36b912bee8255fd8ab2d2ebf9d525641450911a2451977f460a65698c1b187cb. Chain 2 (Bitcoin): anchored in block 958802 (2026-07-20T03:03:55Z), 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/QZWDW2561212.
      date published: 2026-07-20T03:03:55Z
    audio: Mawerekyekyer
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 107.001
      additional property: Musical Key
        type: PropertyValue
        value: 5
      additional property: Mode (Major/Minor)
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      additional property: Time Signature
        type: PropertyValue
        value: 4
      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
        type: PropertyValue
        value: 0.71
      additional property: Instrumentalness
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        value: 0.01
      additional property: Liveness
        type: PropertyValue
        value: 0.139
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.809
      additional property: Loudness (dB)
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        value: -10.023
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        value: F
      additional property: Mode Name
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  track: Rashikoko
    type: MusicRecording
    duration: PT28M23S
    duration ms: 1703053
    explicit: false
    by artist: C. K. Mann
    in album: Timeless Highlife
      type: MusicAlbum
      date published: 2025-06-20
    genre: highlife
    genre: hiplife
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    additional property: OTSVerificationAPI
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    additional property: OTSVerifyInstructions
    subject of: OpenTimestamps Proof of Existence
    audio: Rashikoko
track: Mankyin Nyinsua

Mankyin Nyinsua
type: MusicRecording
duration: PT3M20S
duration ms: 200586
explicit: false
by artist: C. K. Mann
by artist: Paapa Yankson
in album: Golden ""Hits"" of Ghana - Vol. 1
  type: MusicAlbum
  date published: 2014-11-03
isrc code: ZA56E1408011
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T16:07:00Z
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
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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
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37d2a41b6a0ee68262b66db75fdce7732448f6f97c7df7b4f6075d6a8b6eb345. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-07T16:07:00Z), 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/ZA56E1408011.
  date published: 2026-07-07T16:07:00Z
audio: Mankyin Nyinsua
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 124.187
  additional property: Musical Key
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  additional property: Mode (Major/Minor)
    type: PropertyValue
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
    value: 0.552
  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.673
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.134
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.458
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.072
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
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    value: Minor

OTSBitcoinBlock
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value: 956656

OTSBitcoinBlockVerifyURL
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value: https://blockstream.info/api/block-height/956656

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWDW2561217

OTSTimestamp
type: PropertyValue
value: 2026-07-04T14:03:39Z

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 0xcf15baab54d3455dd32ca970ac4a6569fc312ac908e174f80bed82eedd658e3c. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/QZWDW2561217.
date published: 2026-07-04T14:03:39Z

Rashikoko
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 127.056
additional property: Musical Key
  type: PropertyValue
  value: 5
additional property: Mode (Major/Minor)
  type: PropertyValue
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additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.749
additional property: Energy
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  value: 0.539
additional property: Speechiness
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additional property: Acousticness
  type: PropertyValue
  value: 0.573
additional property: Instrumentalness
  type: PropertyValue
  value: 0.003
additional property: Liveness
  type: PropertyValue
  value: 0.031
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.825
additional property: Loudness (dB)
  type: PropertyValue
  value: -14.515
additional property: Key Name
  type: PropertyValue
  value: F
additional property: Mode Name
  type: PropertyValue
  value: Minor