Babak Khangholi
type: MusicGroup
popularity: 13
followers: 2964
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe24a8fca846f15d498d7bcafae03c4058cf695557472de0764f173e7e8cdec50
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953598
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953598
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0d3d828b-ac53-4705-b2da-dce73f4f3448.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0d3d828b-ac53-4705-b2da-dce73f4f3448.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/0d3d828b-ac53-4705-b2da-dce73f4f3448
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T06:40:11Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe24a8fca846f15d498d7bcafae03c4058cf695557472de0764f173e7e8cdec50","name":"Babak Khangholi","registered_at":"2026-06-14T05:47:52Z","symbol":"NIM0357509","token_address":"0x416c623e2ea28832fc0a6021d81daf1fa5ace394","type":"artist","uuid":"0d3d828b-ac53-4705-b2da-dce73f4f3448"}
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 0xe24a8fca846f15d498d7bcafae03c4058cf695557472de0764f173e7e8cdec50. Chain 2 (Bitcoin): anchored in block 953599 (2026-06-14T06:43:55Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0d3d828b-ac53-4705-b2da-dce73f4f3448.json and https://artists.proofprofile.net/proofs/artist/0d3d828b-ac53-4705-b2da-dce73f4f3448.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T06:43:55Z
  text: {"copyright_id":"0xe24a8fca846f15d498d7bcafae03c4058cf695557472de0764f173e7e8cdec50","name":"Babak Khangholi","registered_at":"2026-06-14T05:47:52Z","symbol":"NIM0357509","token_address":"0x416c623e2ea28832fc0a6021d81daf1fa5ace394","type":"artist","uuid":"0d3d828b-ac53-4705-b2da-dce73f4f3448"}
album: Sabre Ayoub
  type: MusicAlbum
  date published: 2021-09-05
  track: Sabre Ayoub
    type: MusicRecording
    duration: PT5M38S
    duration ms: 338875
    explicit: false
    by artist: Babak Khangholi
    in album: Sabre Ayoub
      type: MusicAlbum
      date published: 2021-09-05
    isrc code: USHM92276372
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-16T23:59:49+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x391d4cd125d05a6ea830cf438aad93f0a0d2e13b315196e5b8f84e4a912e3ce3
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958342
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958342
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM92276372
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T03:04:54Z
    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 0x391d4cd125d05a6ea830cf438aad93f0a0d2e13b315196e5b8f84e4a912e3ce3. Chain 2 (Bitcoin): anchored in block 958342 (2026-07-17T03:04:54Z), 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/USHM92276372.
      date published: 2026-07-17T03:04:54Z
    audio: Sabre Ayoub
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 123.597
      additional property: Musical Key
        type: PropertyValue
        value: 4
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.65
      additional property: Energy
        type: PropertyValue
        value: 0.249
      additional property: Speechiness
        type: PropertyValue
        value: 0.035
      additional property: Acousticness
        type: PropertyValue
        value: 0.954
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.001
      additional property: Liveness
        type: PropertyValue
        value: 0.085
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.229
      additional property: Loudness (dB)
        type: PropertyValue
        value: -10.413
      additional property: Key Name
        type: PropertyValue
        value: E
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Fig
  type: MusicAlbum
  date published: 2021-09-09
album: Darmoon
  type: MusicAlbum
  date published: 2022-03-02
  track: Darmoon
    type: MusicRecording
    duration: PT3M16S
    duration ms: 196153
    explicit: false
    by artist: Babak Khangholi
    in album: Darmoon
      type: MusicAlbum
      date published: 2022-03-02
    isrc code: QZMHM2292581
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-19T11:00:01+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x139e71a0d27cb21d870fed1759fcb142e2e85a5bc7b422c605ce0eb3d8266d2b
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958728
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958728
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZMHM2292581
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T12:24:55Z
    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 0x139e71a0d27cb21d870fed1759fcb142e2e85a5bc7b422c605ce0eb3d8266d2b. Chain 2 (Bitcoin): anchored in block 958728 (2026-07-19T12:24:55Z), 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/QZMHM2292581.
      date published: 2026-07-19T12:24:55Z
    audio: Darmoon
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 124.78
      additional property: Musical Key
        type: PropertyValue
        value: 6
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 3
      additional property: Danceability
        type: PropertyValue
        value: 0.366
      additional property: Energy
        type: PropertyValue
        value: 0.154
      additional property: Speechiness
        type: PropertyValue
        value: 0.038
      additional property: Acousticness
        type: PropertyValue
        value: 0.958
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.001
      additional property: Liveness
        type: PropertyValue
        value: 0.051
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Three
album: Ghalandar
album: Melancholy
album: Daaya Daaya
album: Try
album: Dear Leyli
album: Laat o Loot
album: Pink Human
album: Shirmammad
album: Zolfay Yarom (E1 Hashtpar)
album: Roola (E2 Hashtpar)
album: Charkh o Falak (E3 Hashtpar)
album: Luk (E6 Hashtpar)
album: Anar (E4 Hashtpar)
album: Sarnevesht (E5 Hashtpar)
album: Aziz Joon
album: For Those Who Know

Valence (Positivity)
type: PropertyValue
value: 0.22

Loudness (dB)
type: PropertyValue
value: -12.815

Key Name
type: PropertyValue
value: F#

Mode Name
type: PropertyValue
value: Minor

Three
type: MusicAlbum
date published: 2022-04-05

Ghalandar
type: MusicAlbum
date published: 2022-06-27
track: Ghalandar
  type: MusicRecording
  duration: PT5M25S
  duration ms: 325200
  explicit: false
  by artist: Babak Khangholi
  in album: Ghalandar
    type: MusicAlbum
    date published: 2022-06-27
  isrc code: QZS642292946
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-20T01:44:46+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x348a466443d404d21f8138c753ebebcef5a7e921dcda7a3e3f35fa6006d12ff2
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958805
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958805
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZS642292946
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T02:22:58Z
  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 0x348a466443d404d21f8138c753ebebcef5a7e921dcda7a3e3f35fa6006d12ff2. Chain 2 (Bitcoin): anchored in block 958805 (2026-07-20T02:22:58Z), 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/QZS642292946.
    date published: 2026-07-20T02:22:58Z
  audio: Ghalandar
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 150.115
    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: 0.54
    additional property: Energy
      type: PropertyValue
      value: 0.413
    additional property: Speechiness
      type: PropertyValue
      value: 0.026
    additional property: Acousticness
      type: PropertyValue
      value: 0.49
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.014
    additional property: Liveness
      type: PropertyValue
      value: 0.098
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.234
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.035
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major

Melancholy
type: MusicAlbum
date published: 2022-12-16

Daaya Daaya
type: MusicAlbum
date published: 2022-12-16

Try
type: MusicAlbum
date published: 2023-03-20

Dear Leyli
type: MusicAlbum
date published: 2023-05-14

Laat o Loot
type: MusicAlbum
date published: 2023-07-05

Pink Human
type: MusicAlbum
date published: 2023-09-21

Shirmammad
type: MusicAlbum
date published: 2024-02-05

Zolfay Yarom (E1 Hashtpar)
type: MusicAlbum
date published: 2024-06-14

Roola (E2 Hashtpar)
type: MusicAlbum
date published: 2024-07-22

Charkh o Falak (E3 Hashtpar)
type: MusicAlbum
date published: 2024-08-30

Luk (E6 Hashtpar)
type: MusicAlbum
date published: 2024-08-30

Anar (E4 Hashtpar)
type: MusicAlbum
date published: 2024-08-30

Sarnevesht (E5 Hashtpar)
type: MusicAlbum
date published: 2024-09-05

Aziz Joon
type: MusicAlbum
date published: 2025-01-31

For Those Who Know
type: MusicAlbum
date published: 2025-09-04