Vahid Taj
type: MusicGroup
genre: traditional music
popularity: 24
followers: 2318
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5367f25c02d8d704ea474783571b5e89dd69173a99cd7a35803a3cc0756c2327
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/e57d0ac0-8ea0-4d11-8391-74e60eec46c2.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e57d0ac0-8ea0-4d11-8391-74e60eec46c2.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/e57d0ac0-8ea0-4d11-8391-74e60eec46c2
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5367f25c02d8d704ea474783571b5e89dd69173a99cd7a35803a3cc0756c2327","name":"Vahid Taj","registered_at":"2026-06-12T12:14:54Z","symbol":"NIM0294783","token_address":"0x99e170bb17ffdb9d0c5a308da0407855126cfe70","type":"artist","uuid":"e57d0ac0-8ea0-4d11-8391-74e60eec46c2"}
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 0x5367f25c02d8d704ea474783571b5e89dd69173a99cd7a35803a3cc0756c2327. 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/e57d0ac0-8ea0-4d11-8391-74e60eec46c2.json and https://artists.proofprofile.net/proofs/artist/e57d0ac0-8ea0-4d11-8391-74e60eec46c2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:28:13Z
  text: {"copyright_id":"0x5367f25c02d8d704ea474783571b5e89dd69173a99cd7a35803a3cc0756c2327","name":"Vahid Taj","registered_at":"2026-06-12T12:14:54Z","symbol":"NIM0294783","token_address":"0x99e170bb17ffdb9d0c5a308da0407855126cfe70","type":"artist","uuid":"e57d0ac0-8ea0-4d11-8391-74e60eec46c2"}
album: Khaney-E-Gharib(Persian Classical Music)
  type: MusicAlbum
  date published: 2011-04-01
album: Barf Khani
  type: MusicAlbum
  date published: 2013-01-01
album: Barfkhani
  type: MusicAlbum
  date published: 2013-07-01
album: Bahare Delkash
  type: MusicAlbum
  date published: 2014-03-17
  track: Bahare Delkash
    type: MusicRecording
    duration: PT2M52S
    duration ms: 172396
    explicit: false
    by artist: Vahid Taj
    in album: Bahare Delkash
      type: MusicAlbum
      date published: 2014-03-17
    genre: traditional music
    isrc code: DEA371901569
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-21T11:10:38+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x62a98aa168974fca08b14a592518883bd39a850e0c70e7b91118b670f466169a
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 959001
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/959001
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA371901569
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-21T11:41:42Z
    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 0x62a98aa168974fca08b14a592518883bd39a850e0c70e7b91118b670f466169a. Chain 2 (Bitcoin): anchored in block 959001 (2026-07-21T11:41:42Z), 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/DEA371901569.
      date published: 2026-07-21T11:41:42Z
    audio: Bahare Delkash
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 179.765
      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: 0.327
      additional property: Energy
        type: PropertyValue
        value: 0.314
      additional property: Speechiness
        type: PropertyValue
        value: 0.032
      additional property: Acousticness
        type: PropertyValue
        value: 0.841
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.265
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.441
      additional property: Loudness (dB)
        type: PropertyValue
        value: -6.57
      additional property: Key Name
        type: PropertyValue
        value: F#
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Khatereh (Memory)
  type: MusicAlbum
  date published: 2014-04-18
album: From Deceitful Ages
  type: MusicAlbum
  date published: 2014-09-10
album: From Deceitful Ages
  type: MusicAlbum
  date published: 2014-09-10
album: Dar Atashe Moshtaghi
  type: MusicAlbum
  date published: 2015-01-01
album: Dar Atash-E Moshtaghi
  type: MusicAlbum
  date published: 2015-05-31
album: Yalda Night Prison
  type: MusicAlbum
  date published: 2015-09-24
album: Maste Eshgh
  type: MusicAlbum
  date published: 2016-12-14
album: Dar Eshgh Zende Bayad
  type: MusicAlbum
  date published: 2017-02-18
album: Shall Live in Love
  type: MusicAlbum
  date published: 2017-05-31
album: Homagoun
  type: MusicAlbum
  date published: 2018-05-01
album: Homagoun
  type: MusicAlbum
  date published: 2018-05-01
  track: Sazo Avaz Santour
    type: MusicRecording
    duration: PT8M1S
    duration ms: 481493
    explicit: false
    by artist: Vahid Taj
    in album: Homagoun
      type: MusicAlbum
      date published: 2018-05-01
    genre: traditional music
    isrc code: QM4TW1887713
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T21:26:00+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xcb74106c4dc3fbbfde0911f4d9e13f4d1a7f35cb61445ae871233f535f832634
    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/QM4TW1887713
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-04T11:19:20Z
    additional property: OTSVerifyInstructions
    subject of: OpenTimestamps Proof of Existence
    audio: Sazo Avaz Santour
album: Dash Akol
album: The Morning of Sea
album: Gohar-E-Jan
album: Sehre Sahar
album: You'll Come Back
album: Havaye Bigharariha
album: Hormozgan
album: Raze Nahan
album: Daghe Doosti
album: Pulsing of Heart
album: Gham Hamcho Booye Pirhan
album: Hope

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb74106c4dc3fbbfde0911f4d9e13f4d1a7f35cb61445ae871233f535f832634. 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/QM4TW1887713.
date published: 2026-07-04T11:19:20Z

Sazo Avaz Santour
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 105.307
additional property: Musical Key
  type: PropertyValue
  value: 7
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.412
additional property: Energy
  type: PropertyValue
  value: 0.215
additional property: Speechiness
  type: PropertyValue
  value: 0.041
additional property: Acousticness
  type: PropertyValue
  value: 0.889
additional property: Instrumentalness
  type: PropertyValue
  value: 0.024
additional property: Liveness
  type: PropertyValue
  value: 0.112
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.09
additional property: Loudness (dB)
  type: PropertyValue
  value: -9.466
additional property: Key Name
  type: PropertyValue
  value: G
additional property: Mode Name
  type: PropertyValue
  value: Minor

Dash Akol
type: MusicAlbum
date published: 2018-08-30

The Morning of Sea
type: MusicAlbum
date published: 2018-11-02

Gohar-E-Jan
type: MusicAlbum
date published: 2019-06-23

Sehre Sahar
type: MusicAlbum
date published: 2019-07-22

You'll Come Back
type: MusicAlbum
date published: 2020-05-31

Havaye Bigharariha
type: MusicAlbum
date published: 2020-09-13

Hormozgan
type: MusicAlbum
date published: 2021-01-10

Raze Nahan
type: MusicAlbum
date published: 2021-07-13

Daghe Doosti
type: MusicAlbum
date published: 2021-10-25

Pulsing of Heart
type: MusicAlbum
date published: 2021-11-28

Gham Hamcho Booye Pirhan
type: MusicAlbum
date published: 2022-02-20

Hope
type: MusicAlbum
date published: 2022-06-23

Raze Nahan
type: MusicAlbum
date published: 2022-07-13