Sefer Osmanov
type: MusicGroup
genre: manele
genre: oyun havasi
popularity: 22
followers: 761
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x324e3944401a2dc96c14aeda87435c9f00156f3f37c9123c313978951e8b3020
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/91782d17-cbfb-44d6-b23f-d125d4e647e1.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/91782d17-cbfb-44d6-b23f-d125d4e647e1.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/91782d17-cbfb-44d6-b23f-d125d4e647e1
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x324e3944401a2dc96c14aeda87435c9f00156f3f37c9123c313978951e8b3020","name":"Sefer Osmanov","registered_at":"2026-06-12T04:36:49Z","symbol":"NIM0188832","token_address":"0x6bb5c0850ba2bab2245f6252e0d7a53b27e58a1e","type":"artist","uuid":"91782d17-cbfb-44d6-b23f-d125d4e647e1"}
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 0x324e3944401a2dc96c14aeda87435c9f00156f3f37c9123c313978951e8b3020. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/91782d17-cbfb-44d6-b23f-d125d4e647e1.json and https://artists.proofprofile.net/proofs/artist/91782d17-cbfb-44d6-b23f-d125d4e647e1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:28:13Z
  text: {"copyright_id":"0x324e3944401a2dc96c14aeda87435c9f00156f3f37c9123c313978951e8b3020","name":"Sefer Osmanov","registered_at":"2026-06-12T04:36:49Z","symbol":"NIM0188832","token_address":"0x6bb5c0850ba2bab2245f6252e0d7a53b27e58a1e","type":"artist","uuid":"91782d17-cbfb-44d6-b23f-d125d4e647e1"}
album: İlk Sefer
  type: MusicAlbum
  date published: 2013-02-15
album: Despacito Tallava
  type: MusicAlbum
  date published: 2020-09-02
  track: Despacito Tallava
    type: MusicRecording
    duration: PT2M52S
    duration ms: 172409
    explicit: false
    by artist: Sefer Osmanov
    in album: Despacito Tallava
      type: MusicAlbum
      date published: 2020-09-02
    genre: manele
    genre: oyun havasi
    isrc code: QZK6K2054176
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-02T20:33:12+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xa5c0bd74ee6a106ed9309b7b0635bea7e5de114b7ca72c7cde63ecb95ea5a70b
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956375
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956375
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6K2054176
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-02T16:51:38Z
    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 0xa5c0bd74ee6a106ed9309b7b0635bea7e5de114b7ca72c7cde63ecb95ea5a70b. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/QZK6K2054176.
      date published: 2026-07-02T16:51:38Z
    audio: Despacito Tallava
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 132.048
      additional property: Musical Key
        type: PropertyValue
        value: 2
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.899
      additional property: Energy
        type: PropertyValue
        value: 0.63
      additional property: Speechiness
        type: PropertyValue
        value: 0.115
      additional property: Acousticness
        type: PropertyValue
        value: 0.154
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.069
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.756
      additional property: Loudness (dB)
        type: PropertyValue
        value: -7.339
      additional property: Key Name
        type: PropertyValue
        value: D
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Number One
  type: MusicAlbum
  date published: 2020-12-31
album: Dünyadan Uzak
  type: MusicAlbum
  date published: 2021-02-25
album: Okay Okay
  type: MusicAlbum
  date published: 2021-07-23
  track: Okay Okay
    type: MusicRecording
    duration: PT3M8S
    duration ms: 188110
    explicit: false
    by artist: Sefer Osmanov
    in album: Okay Okay
      type: MusicAlbum
      date published: 2021-07-23
    genre: manele
    genre: oyun havasi
    isrc code: DEY472174824
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T01:25:24+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x5b5f6e32dbcd84d65ecb61668340b6b7e2ec32facb1e9d720a1c90edc699a742
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956639
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956639
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEY472174824
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-04T11:19:20Z
    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 0x5b5f6e32dbcd84d65ecb61668340b6b7e2ec32facb1e9d720a1c90edc699a742. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/DEY472174824.
      date published: 2026-07-04T11:19:20Z
    audio: Okay Okay
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 149.927
      additional property: Musical Key
        type: PropertyValue
        value: 6
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.673
      additional property: Energy
        type: PropertyValue
        value: 0.618
      additional property: Speechiness
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Na Na Na
album: Dilema
album: Jako Tallava
album: Sagapo

Speechiness
type: PropertyValue
value: 0.119

Acousticness
type: PropertyValue
value: 0.141

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.236

Valence (Positivity)
type: PropertyValue
value: 0.705

Loudness (dB)
type: PropertyValue
value: -5.979

Key Name
type: PropertyValue
value: F#

Mode Name
type: PropertyValue
value: Minor

Na Na Na
type: MusicAlbum
date published: 2021-08-13
track: Na Na Na
  type: MusicRecording
  duration: PT4M15S
  duration ms: 255360
  explicit: false
  by artist: Sefer Osmanov
  in album: Na Na Na
    type: MusicAlbum
    date published: 2021-08-13
  genre: manele
  genre: oyun havasi
  isrc code: DEY472175470
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T03:34:50+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x666923b3b52c209b4ac2c9558fd5a6c837ea09bb42832ca8412576b045c48ce1
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956476
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956476
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEY472175470
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T09:04:44Z
  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 0x666923b3b52c209b4ac2c9558fd5a6c837ea09bb42832ca8412576b045c48ce1. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/DEY472175470.
    date published: 2026-07-03T09:04:44Z
  audio: Na Na Na
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 123.716
    additional property: Musical Key
      type: PropertyValue
      value: 1
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.514
    additional property: Energy
      type: PropertyValue
      value: 0.754
    additional property: Speechiness
      type: PropertyValue
      value: 0.081
    additional property: Acousticness
      type: PropertyValue
      value: 0.139
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.012
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.705
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.451
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Major

Dilema
type: MusicAlbum
date published: 2021-12-30

Jako Tallava
type: MusicAlbum
date published: 2021-12-30

Sagapo
type: MusicAlbum
date published: 2022-09-12