Akbar Golpaygani (Golpa)
type: MusicGroup
popularity: 16
followers: 5628
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5863184edbdfffe7af3506409466e0d25c2965437adb2e993a7e9e34edafdafb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953699
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953699
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/58a1bdef-30f4-4bac-84eb-b0fed2f57169.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/58a1bdef-30f4-4bac-84eb-b0fed2f57169.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/58a1bdef-30f4-4bac-84eb-b0fed2f57169
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T22:00:24Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5863184edbdfffe7af3506409466e0d25c2965437adb2e993a7e9e34edafdafb","name":"Akbar Golpaygani (Golpa)","registered_at":"2026-06-14T13:44:22Z","symbol":"NIM0471132","token_address":"0xc6175a5f3e35cb519a334c3f0ae685b43471beaf","type":"artist","uuid":"58a1bdef-30f4-4bac-84eb-b0fed2f57169"}
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 0x5863184edbdfffe7af3506409466e0d25c2965437adb2e993a7e9e34edafdafb. Chain 2 (Bitcoin): anchored in block 953699 (2026-06-14T22:00:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/58a1bdef-30f4-4bac-84eb-b0fed2f57169.json and https://artists.proofprofile.net/proofs/artist/58a1bdef-30f4-4bac-84eb-b0fed2f57169.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T22:00:24Z
  text: {"copyright_id":"0x5863184edbdfffe7af3506409466e0d25c2965437adb2e993a7e9e34edafdafb","name":"Akbar Golpaygani (Golpa)","registered_at":"2026-06-14T13:44:22Z","symbol":"NIM0471132","token_address":"0xc6175a5f3e35cb519a334c3f0ae685b43471beaf","type":"artist","uuid":"58a1bdef-30f4-4bac-84eb-b0fed2f57169"}
album: Shabahang 2 (Bazm) - Persian Music
  type: MusicAlbum
  date published: 1993-03-12
album: Shabahang 1 (Bazm) - Persian Music
  type: MusicAlbum
  date published: 1993-03-12
album: Darvish - Persian Music
  type: MusicAlbum
  date published: 1993-05-27
album: Zendegi - Persian Music
  type: MusicAlbum
  date published: 1993-05-27
  track: Yade del
    type: MusicRecording
    duration: PT5M48S
    duration ms: 348960
    explicit: false
    by artist: Akbar Golpaygani (Golpa)
    in album: Zendegi - Persian Music
      type: MusicAlbum
      date published: 1993-05-27
    isrc code: USBMF9322021
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-13T10:24:44+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xdca08059c3cd07f0a54b6b5639baae10bf5bfb8af0278757b9886f3a879769cd
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 957851
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/957851
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBMF9322021
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-13T11:26:33Z
    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 0xdca08059c3cd07f0a54b6b5639baae10bf5bfb8af0278757b9886f3a879769cd. Chain 2 (Bitcoin): anchored in block 957851 (2026-07-13T11:26:33Z), 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/USBMF9322021.
      date published: 2026-07-13T11:26:33Z
    audio: Yade del
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 143.392
      additional property: Musical Key
        type: PropertyValue
        value: 2
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.352
      additional property: Energy
        type: PropertyValue
        value: 0.379
      additional property: Speechiness
        type: PropertyValue
        value: 0.038
      additional property: Acousticness
        type: PropertyValue
        value: 0.844
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.027
      additional property: Liveness
        type: PropertyValue
        value: 0.104
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.532
      additional property: Loudness (dB)
        type: PropertyValue
        value: -9.892
      additional property: Key Name
        type: PropertyValue
        value: D
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Ahesteh Ahesteh - Persian Music
  type: MusicAlbum
  date published: 1993-05-27
  track: Man Tora Assan Nayavardam Bedast
    type: MusicRecording
    duration: PT3M55S
    duration ms: 235253
    explicit: false
    by artist: Akbar Golpaygani (Golpa)
    in album: Ahesteh Ahesteh - Persian Music
      type: MusicAlbum
      date published: 1993-05-27
    isrc code: USBMF9328251
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-18T20:32:08+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xc4b49c30ad0cdd992d8bf0b07f56f374f34bc40fb3bcef86c04435aac2be4bed
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958607
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958607
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBMF9328251
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T21:01:11Z
    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 0xc4b49c30ad0cdd992d8bf0b07f56f374f34bc40fb3bcef86c04435aac2be4bed. Chain 2 (Bitcoin): anchored in block 958607 (2026-07-18T21:01:11Z), 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/USBMF9328251.
      date published: 2026-07-18T21:01:11Z
    audio: Man Tora Assan Nayavardam Bedast
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 141.781
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.551
      additional property: Energy
        type: PropertyValue
        value: 0.607
      additional property: Speechiness
        type: PropertyValue
        value: 0.077
      additional property: Acousticness
        type: PropertyValue
        value: 0.741
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Maste Mastam - Persian Music
album: Eshgh - Persian Music
album: Golhaye Irani, Persian Classics Vol 5
album: Gole Eshgh - Persian Music
album: Golpa Golden Songs - Persian Music
album: Daghe Tanhaee

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.131

Valence (Positivity)
type: PropertyValue
value: 0.497

Loudness (dB)
type: PropertyValue
value: -7.438

Key Name
type: PropertyValue
value: A

Mode Name
type: PropertyValue
value: Minor

Maste Mastam - Persian Music
type: MusicAlbum
date published: 1993-07-26

Eshgh - Persian Music
type: MusicAlbum
date published: 1994-12-15

Golhaye Irani, Persian Classics Vol 5
type: MusicAlbum
date published: 1995-08-03

Gole Eshgh - Persian Music
type: MusicAlbum
date published: 1995-09-29

Golpa Golden Songs - Persian Music
type: MusicAlbum
date published: 2005-02-25

Daghe Tanhaee
type: MusicAlbum
date published: 2024-05-20