Sir Erico
type: MusicGroup
genre: highlife
popularity: 16
followers: 2865
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x411405a6edd4938e9962e2530fdb9216e1db4dd7cd0ddebc9fd39abcc7628f24
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953791
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953791
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/de7e3b48-3de8-4611-849f-16964bdcaf76.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/de7e3b48-3de8-4611-849f-16964bdcaf76.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/de7e3b48-3de8-4611-849f-16964bdcaf76
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T13:40:30Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x411405a6edd4938e9962e2530fdb9216e1db4dd7cd0ddebc9fd39abcc7628f24","name":"Sir Erico","registered_at":"2026-06-15T03:49:13Z","symbol":"NIM0672741","token_address":"0x4be440c4df34d423623672fb1ca48764c36edb0e","type":"artist","uuid":"de7e3b48-3de8-4611-849f-16964bdcaf76"}
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 0x411405a6edd4938e9962e2530fdb9216e1db4dd7cd0ddebc9fd39abcc7628f24. Chain 2 (Bitcoin): anchored in block 953827 (2026-06-15T19:59:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/de7e3b48-3de8-4611-849f-16964bdcaf76.json and https://artists.proofprofile.net/proofs/artist/de7e3b48-3de8-4611-849f-16964bdcaf76.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T19:59:56Z
  text: {"copyright_id":"0x411405a6edd4938e9962e2530fdb9216e1db4dd7cd0ddebc9fd39abcc7628f24","name":"Sir Erico","registered_at":"2026-06-15T03:49:13Z","symbol":"NIM0672741","token_address":"0x4be440c4df34d423623672fb1ca48764c36edb0e","type":"artist","uuid":"de7e3b48-3de8-4611-849f-16964bdcaf76"}
album: Anyi Kwere Na Ogadi Mma
  type: MusicAlbum
  date published: 2014-04-27
  track: Anyi Kwere Na Ogadi Mma
    type: MusicRecording
    duration: PT8M25S
    duration ms: 505106
    explicit: false
    by artist: Sir Erico
    in album: Anyi Kwere Na Ogadi Mma
      type: MusicAlbum
      date published: 2014-04-27
    genre: highlife
    isrc code: QMFMG1442970
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T03:36:56+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x8e0ea23e364c92b8fe66531fb49fb8d4f36420cd02c2ad9e94afbb52c8ca1cb5
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956634
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956634
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFMG1442970
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-04T10:04:33Z
    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 0x8e0ea23e364c92b8fe66531fb49fb8d4f36420cd02c2ad9e94afbb52c8ca1cb5. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/QMFMG1442970.
      date published: 2026-07-04T10:04:33Z
    audio: Anyi Kwere Na Ogadi Mma
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 104.249
      additional property: Musical Key
        type: PropertyValue
        value: 11
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 3
      additional property: Danceability
        type: PropertyValue
        value: 0.881
      additional property: Energy
        type: PropertyValue
        value: 0.355
      additional property: Speechiness
        type: PropertyValue
        value: 0.417
      additional property: Acousticness
        type: PropertyValue
        value: 0.661
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.576
      additional property: Liveness
        type: PropertyValue
        value: 0.114
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.91
      additional property: Loudness (dB)
        type: PropertyValue
        value: -14.155
      additional property: Key Name
        type: PropertyValue
        value: B
      additional property: Mode Name
        type: PropertyValue
        value: Major
  track: Opi N'akpo Mmadu Ugbolo Abuaa
    type: MusicRecording
    duration: PT8M26S
    duration ms: 506200
    explicit: false
    by artist: Sir Erico
    in album: Anyi Kwere Na Ogadi Mma
      type: MusicAlbum
      date published: 2014-04-27
    genre: highlife
    isrc code: QMFMG1442971
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-17T09:19:44+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x402fa4371250902b487194811817f59b839ea16bcc091bacad1139758406af48
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958390
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958390
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFMG1442971
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T09:35:49Z
    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 0x402fa4371250902b487194811817f59b839ea16bcc091bacad1139758406af48. Chain 2 (Bitcoin): anchored in block 958390 (2026-07-17T09:35:49Z), 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/QMFMG1442971.
      date published: 2026-07-17T09:35:49Z
    audio: Opi N'akpo Mmadu Ugbolo Abuaa
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 105.762
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 3
      additional property: Danceability
        type: PropertyValue
        value: 0.793
      additional property: Energy
        type: PropertyValue
        value: 0.426
      additional property: Speechiness
        type: PropertyValue
        value: 0.174
      additional property: Acousticness
        type: PropertyValue
        value: 0.792
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.46
      additional property: Liveness
        type: PropertyValue
        value: 0.202
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.876
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
  track: Adighi Ego Nwanne Nahia
  track: Uwa Bia Lere Ndioma
album: Madu Kana Aya (Onye Ima)

Loudness (dB)
type: PropertyValue
value: -12.643

Key Name
type: PropertyValue
value: A

Mode Name
type: PropertyValue
value: Major

Adighi Ego Nwanne Nahia
type: MusicRecording
duration: PT5M42S
duration ms: 342133
explicit: false
by artist: Sir Erico
in album: Anyi Kwere Na Ogadi Mma
  type: MusicAlbum
  date published: 2014-04-27
genre: highlife
isrc code: QMFMG1442972
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-16T07:28:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x022e47e2ce3f06d32e640a4b183a144fb0a7a2c39279d60bf7091c7faafaf2ad
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958271
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958271
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFMG1442972
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T09:16:54Z
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 0x022e47e2ce3f06d32e640a4b183a144fb0a7a2c39279d60bf7091c7faafaf2ad. Chain 2 (Bitcoin): anchored in block 958271 (2026-07-16T09:16:54Z), 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/QMFMG1442972.
  date published: 2026-07-16T09:16:54Z
audio: Adighi Ego Nwanne Nahia
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.558
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.832
  additional property: Energy
    type: PropertyValue
    value: 0.412
  additional property: Speechiness
    type: PropertyValue
    value: 0.127
  additional property: Acousticness
    type: PropertyValue
    value: 0.772
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.324
  additional property: Liveness
    type: PropertyValue
    value: 0.121
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.93
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.177
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Uwa Bia Lere Ndioma
type: MusicRecording
duration: PT11M57S
duration ms: 717600
explicit: false
by artist: Sir Erico
in album: Anyi Kwere Na Ogadi Mma
  type: MusicAlbum
  date published: 2014-04-27
genre: highlife
isrc code: QMFMG1442973
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-22T06:47:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x208a245f4bfb24f2d6e9cf19353f54210bae23e9cb604fc2aebcf6f44f6e0be2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 959107
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/959107
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFMG1442973
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-22T07:19:23Z
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 0x208a245f4bfb24f2d6e9cf19353f54210bae23e9cb604fc2aebcf6f44f6e0be2. Chain 2 (Bitcoin): anchored in block 959107 (2026-07-22T07:19:23Z), 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/QMFMG1442973.
  date published: 2026-07-22T07:19:23Z
audio: Uwa Bia Lere Ndioma
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.96
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.817
  additional property: Energy
    type: PropertyValue
    value: 0.492
  additional property: Speechiness
    type: PropertyValue
    value: 0.101
  additional property: Acousticness
    type: PropertyValue
    value: 0.399
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.181
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.954
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.171
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Madu Kana Aya (Onye Ima)
type: MusicAlbum
date published: 2021-11-19