Tanmay Kar and Friends
type: MusicGroup
genre: bangla pop
popularity: 22
followers: 10967
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x96ac886c5ebfe6797b0ac8f257833171af0bf872d7a32eed063b371741a3ed03
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/031aacb8-3c38-4470-a179-f0ca194c8208.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/031aacb8-3c38-4470-a179-f0ca194c8208.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/031aacb8-3c38-4470-a179-f0ca194c8208
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x96ac886c5ebfe6797b0ac8f257833171af0bf872d7a32eed063b371741a3ed03","name":"Tanmay Kar and Friends","registered_at":"2026-06-11T10:49:33Z","symbol":"NIM0004499","token_address":"0x4f8ec5c348dec82ec10fc21329da5273751954ae","type":"artist","uuid":"031aacb8-3c38-4470-a179-f0ca194c8208"}
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 0x96ac886c5ebfe6797b0ac8f257833171af0bf872d7a32eed063b371741a3ed03. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/031aacb8-3c38-4470-a179-f0ca194c8208.json and https://artists.proofprofile.net/proofs/artist/031aacb8-3c38-4470-a179-f0ca194c8208.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
  text: {"copyright_id":"0x96ac886c5ebfe6797b0ac8f257833171af0bf872d7a32eed063b371741a3ed03","name":"Tanmay Kar and Friends","registered_at":"2026-06-11T10:49:33Z","symbol":"NIM0004499","token_address":"0x4f8ec5c348dec82ec10fc21329da5273751954ae","type":"artist","uuid":"031aacb8-3c38-4470-a179-f0ca194c8208"}
album: Mone Kori Assam Jabo
  type: MusicAlbum
  date published: 2020-12-18
album: Kalo Jole Kuchla Tole
  type: MusicAlbum
  date published: 2021-01-07
album: Mone Kori Assam Jabo
  type: MusicAlbum
  date published: 2021-05-03
album: Parlam Nare
  type: MusicAlbum
  date published: 2021-05-16
album: Baba Tomar Dorbare Sob Pagoler Khela
  type: MusicAlbum
  date published: 2021-07-26
album: Baba Ganjakhor
  type: MusicAlbum
  date published: 2021-09-26
album: Kada Dili Sada Kapore
  type: MusicAlbum
  date published: 2022-06-27
album: Sadher Lau
  type: MusicAlbum
  date published: 2022-08-04
album: Aat Ta Baje Deri Korish Na
  type: MusicAlbum
  date published: 2023-11-21
  track: Aat Ta Baje Deri Korish Na
    type: MusicRecording
    duration: PT3M25S
    duration ms: 205029
    explicit: false
    by artist: Tanmay Kar and Friends
    in album: Aat Ta Baje Deri Korish Na
      type: MusicAlbum
      date published: 2023-11-21
    genre: bangla pop
    isrc code: INJ252300475
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-19T04:06:44+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x806ca029da3a6c5e60758eaff04dbe1aa0f59270055ea2d6221dfd8bbbd937cc
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958658
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958658
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/INJ252300475
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T04:09:09Z
    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 0x806ca029da3a6c5e60758eaff04dbe1aa0f59270055ea2d6221dfd8bbbd937cc. Chain 2 (Bitcoin): anchored in block 958658 (2026-07-19T04:09:09Z), 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/INJ252300475.
      date published: 2026-07-19T04:09:09Z
    audio: Aat Ta Baje Deri Korish Na
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 172.23
      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: 0.474
      additional property: Energy
        type: PropertyValue
        value: 0.498
      additional property: Speechiness
        type: PropertyValue
        value: 0.076
      additional property: Acousticness
        type: PropertyValue
        value: 0.677
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.104
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.625
      additional property: Loudness (dB)
        type: PropertyValue
        value: -5.537
      additional property: Key Name
        type: PropertyValue
        value: A
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Amar Baba Pagla Baba
  type: MusicAlbum
  date published: 2024-01-04
album: Madhu Makha Hori Naam
  type: MusicAlbum
  date published: 2024-05-17
album: Belpahari
  type: MusicAlbum
  date published: 2024-09-04
album: Sohag Chand Bodoni Dhoni
  type: MusicAlbum
  date published: 2024-11-20
  track: Sohag Chand Bodoni Dhoni
    type: MusicRecording
    duration: PT3M7S
    duration ms: 187978
    explicit: false
    by artist: Tanmay Kar and Friends
    in album: Sohag Chand Bodoni Dhoni
      type: MusicAlbum
      date published: 2024-11-20
    genre: bangla pop
    isrc code: INJ252400521
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T01:01:56+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x80ba63a873bed8c6e0afcf3c8c74051d44b7891ff1a514a1837c7b2e3ccee95a
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956742
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956742
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/INJ252400521
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T05:07:15Z
    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 0x80ba63a873bed8c6e0afcf3c8c74051d44b7891ff1a514a1837c7b2e3ccee95a. Chain 2 (Bitcoin): anchored in block 956742 (2026-07-05T05:07:15Z), 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/INJ252400521.
      date published: 2026-07-05T05:07:15Z
    audio: Sohag Chand Bodoni Dhoni
album: Joy Mohun Bagan
album: Rangiye Dao
album: Kolonkini Radha

Sohag Chand Bodoni Dhoni
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 187.552
additional property: Musical Key
  type: PropertyValue
  value: 6
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 3
additional property: Danceability
  type: PropertyValue
  value: 0.606
additional property: Energy
  type: PropertyValue
  value: 0.587
additional property: Speechiness
  type: PropertyValue
  value: 0.36
additional property: Acousticness
  type: PropertyValue
  value: 0.778
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.149
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.831
additional property: Loudness (dB)
  type: PropertyValue
  value: -7.607
additional property: Key Name
  type: PropertyValue
  value: F#
additional property: Mode Name
  type: PropertyValue
  value: Major

Joy Mohun Bagan
type: MusicAlbum
date published: 2024-12-12

Rangiye Dao
type: MusicAlbum
date published: 2025-03-11

Kolonkini Radha
type: MusicAlbum
date published: 2025-07-04
track: Kolonkini Radha
  type: MusicRecording
  duration: PT3M39S
  duration ms: 219491
  explicit: false
  by artist: Tanmay Kar and Friends
  in album: Kolonkini Radha
    type: MusicAlbum
    date published: 2025-07-04
  genre: bangla pop
  isrc code: INJ252500361
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T08:26:24+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe4a87471e351b6481ff4d347b57a6f8d346f3429e46f9065972b4e6bf8fa804e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956776
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956776
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/INJ252500361
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T10:59:37Z
  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 0xe4a87471e351b6481ff4d347b57a6f8d346f3429e46f9065972b4e6bf8fa804e. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/INJ252500361.
    date published: 2026-07-05T10:59:37Z
  audio: Kolonkini Radha
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 102.707
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.696
    additional property: Energy
      type: PropertyValue
      value: 0.817
    additional property: Speechiness
      type: PropertyValue
      value: 0.037
    additional property: Acousticness
      type: PropertyValue
      value: 0.241
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.066
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.925
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.654
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Minor