Nnamdi Ewenighi
type: MusicGroup
genre: highlife
popularity: 15
followers: 3252
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x52ce828cac62a3329e3f5daf5499526047171fb3e4ca98d92b8959ed2b0d5443
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953657
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953657
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4ad70389-5fac-42d9-85e5-033443b3adbf.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4ad70389-5fac-42d9-85e5-033443b3adbf.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/4ad70389-5fac-42d9-85e5-033443b3adbf
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T16:43:25Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x52ce828cac62a3329e3f5daf5499526047171fb3e4ca98d92b8959ed2b0d5443","name":"Nnamdi Ewenighi","registered_at":"2026-06-14T12:24:00Z","symbol":"NIM0451954","token_address":"0x08a7ad44957cec6933f26cf51b26d4220a75c4cd","type":"artist","uuid":"4ad70389-5fac-42d9-85e5-033443b3adbf"}
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 0x52ce828cac62a3329e3f5daf5499526047171fb3e4ca98d92b8959ed2b0d5443. Chain 2 (Bitcoin): anchored in block 953657 (2026-06-14T16:43:25Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4ad70389-5fac-42d9-85e5-033443b3adbf.json and https://artists.proofprofile.net/proofs/artist/4ad70389-5fac-42d9-85e5-033443b3adbf.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T16:43:25Z
  text: {"copyright_id":"0x52ce828cac62a3329e3f5daf5499526047171fb3e4ca98d92b8959ed2b0d5443","name":"Nnamdi Ewenighi","registered_at":"2026-06-14T12:24:00Z","symbol":"NIM0451954","token_address":"0x08a7ad44957cec6933f26cf51b26d4220a75c4cd","type":"artist","uuid":"4ad70389-5fac-42d9-85e5-033443b3adbf"}
album: Amama Amasi Amasi
  type: MusicAlbum
  date published: 2019-09-23
album: AMAMA AMASI AMASI
  type: MusicAlbum
  date published: 2020-07-21
album: AKA UWA
  type: MusicAlbum
  date published: 2020-07-22
album: BEST OF NNAMDI EWENIGHI (Live Stage 2)
  type: MusicAlbum
  date published: 2022-11-04
  track: BEST OF NNAMDI EWENIGHI VOL 1
    type: MusicRecording
    duration: PT25M23S
    duration ms: 1523640
    explicit: false
    by artist: Nnamdi Ewenighi
    in album: BEST OF NNAMDI EWENIGHI (Live Stage 2)
      type: MusicAlbum
      date published: 2022-11-04
    genre: highlife
    isrc code: QZNC62212228
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T17:10:40+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xca9018d9598e46855a0ed2548aeaeff09f9f260fd28294da52e8334f79049917
    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/QZNC62212228
    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 0xca9018d9598e46855a0ed2548aeaeff09f9f260fd28294da52e8334f79049917. 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/QZNC62212228.
      date published: 2026-07-03T23:28:02Z
    audio: BEST OF NNAMDI EWENIGHI VOL 1
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 110.826
      additional property: Musical Key
        type: PropertyValue
        value: 8
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 3
      additional property: Danceability
        type: PropertyValue
        value: 0.588
      additional property: Energy
        type: PropertyValue
        value: 0.92
      additional property: Speechiness
        type: PropertyValue
        value: 0.097
      additional property: Acousticness
        type: PropertyValue
        value: 0.247
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.014
      additional property: Liveness
        type: PropertyValue
        value: 0.093
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.827
      additional property: Loudness (dB)
        type: PropertyValue
        value: -3.375
      additional property: Key Name
        type: PropertyValue
        value: Ab
      additional property: Mode Name
        type: PropertyValue
        value: Major
  track: BEST OF NNAMDI EWENIGHI VOL 2
    type: MusicRecording
    duration: PT27M41S
    duration ms: 1661640
    explicit: false
    by artist: Nnamdi Ewenighi
    in album: BEST OF NNAMDI EWENIGHI (Live Stage 2)
      type: MusicAlbum
      date published: 2022-11-04
    genre: highlife
    isrc code: QZNC62212227
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-18T01:03:08+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x629cf3fca3b3458eb9151266d4021d6543e5a8bec569d58ef3eea2a7e939a5b6
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958484
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958484
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNC62212227
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T03:34:53Z
    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 0x629cf3fca3b3458eb9151266d4021d6543e5a8bec569d58ef3eea2a7e939a5b6. Chain 2 (Bitcoin): anchored in block 958484 (2026-07-18T03:34:53Z), 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/QZNC62212227.
      date published: 2026-07-18T03:34:53Z
    audio: BEST OF NNAMDI EWENIGHI VOL 2
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 129.733
      additional property: Musical Key
        type: PropertyValue
        value: 4
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.58
      additional property: Energy
        type: PropertyValue
        value: 0.906
      additional property: Speechiness
        type: PropertyValue
        value: 0.127
      additional property: Acousticness
        type: PropertyValue
        value: 0.189
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Best of Nnamdi Ewenighi, Vol. 2 (Live)

Instrumentalness
type: PropertyValue
value: 0.014

Liveness
type: PropertyValue
value: 0.183

Valence (Positivity)
type: PropertyValue
value: 0.796

Loudness (dB)
type: PropertyValue
value: -1.686

Key Name
type: PropertyValue
value: E

Mode Name
type: PropertyValue
value: Major

Best of Nnamdi Ewenighi, Vol. 2 (Live)
type: MusicAlbum
date published: 2025-02-12