Surajit Das
type: MusicGroup
popularity: 10
followers: 968
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x032bd3f55daf5418dc80c90bf30d53a545f9e1569bcefe64308416eb76e02d94
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953879
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953879
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0a28a935-e721-4154-9a01-d6eb39140c41.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0a28a935-e721-4154-9a01-d6eb39140c41.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/0a28a935-e721-4154-9a01-d6eb39140c41
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T02:57:35Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x032bd3f55daf5418dc80c90bf30d53a545f9e1569bcefe64308416eb76e02d94","name":"Surajit Das","registered_at":"2026-06-15T17:01:59Z","symbol":"NIM0773651","token_address":"0x821a2e927c0685acc06ee0dbe50e317f17a52670","type":"artist","uuid":"0a28a935-e721-4154-9a01-d6eb39140c41"}
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 0x032bd3f55daf5418dc80c90bf30d53a545f9e1569bcefe64308416eb76e02d94. Chain 2 (Bitcoin): anchored in block 953879 (2026-06-16T02:57:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0a28a935-e721-4154-9a01-d6eb39140c41.json and https://artists.proofprofile.net/proofs/artist/0a28a935-e721-4154-9a01-d6eb39140c41.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T02:57:35Z
  text: {"copyright_id":"0x032bd3f55daf5418dc80c90bf30d53a545f9e1569bcefe64308416eb76e02d94","name":"Surajit Das","registered_at":"2026-06-15T17:01:59Z","symbol":"NIM0773651","token_address":"0x821a2e927c0685acc06ee0dbe50e317f17a52670","type":"artist","uuid":"0a28a935-e721-4154-9a01-d6eb39140c41"}
album: Kamasutra
  type: MusicAlbum
  date published: 2003
album: Ayurvedic Music Therapy
  type: MusicAlbum
  date published: 2003
album: Ayurvedic Healing Cycle
  type: MusicAlbum
  date published: 2004
album: Secret Chants - A Trip To India
  type: MusicAlbum
  date published: 2007-08-24
album: Sapta Rasa: Seven Moods of Our Mind
  type: MusicAlbum
  date published: 2007-10-23
album: Prayer for Peace: Indian music for tabla and sitar
  type: MusicAlbum
  date published: 2010-01-01
  track: Music for Peace
    type: MusicRecording
    duration: PT14M16S
    duration ms: 856493
    explicit: false
    by artist: Surajit Das
    in album: Prayer for Peace: Indian music for tabla and sitar
      type: MusicAlbum
      date published: 2010-01-01
    isrc code: PLA800805003
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
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      type: PropertyValue
      value: 2026-07-15T15:32:54+00:00
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      type: PropertyValue
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    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958176
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958176
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLA800805003
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-15T17:14:36Z
    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 0x979ce19854d686d2cdecf63ec1a116528be82731db1bcdec482185d7c61936aa. Chain 2 (Bitcoin): anchored in block 958176 (2026-07-15T17:14:36Z), 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/PLA800805003.
      date published: 2026-07-15T17:14:36Z
    audio: Music for Peace
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 132.294
      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: 0.308
      additional property: Energy
        type: PropertyValue
        value: 0.058
      additional property: Speechiness
        type: PropertyValue
        value: 0.039
      additional property: Acousticness
        type: PropertyValue
        value: 0.463
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.019
      additional property: Liveness
        type: PropertyValue
        value: 0.072
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.034
      additional property: Loudness (dB)
        type: PropertyValue
        value: -13.837
      additional property: Key Name
        type: PropertyValue
        value: C#
      additional property: Mode Name
        type: PropertyValue
        value: Major
  track: After a Hot Day
    type: MusicRecording
    duration: PT7M14S
    duration ms: 434493
    explicit: false
    by artist: Surajit Das
    in album: Prayer for Peace: Indian music for tabla and sitar
      type: MusicAlbum
      date published: 2010-01-01
    isrc code: PLA800805005
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
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    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x7edbd894582d6509b62f1fc942639bf76328379b16718eb42f099c9263ba3022
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958696
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958696
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLA800805005
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T07:45:31Z
    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 0x7edbd894582d6509b62f1fc942639bf76328379b16718eb42f099c9263ba3022. Chain 2 (Bitcoin): anchored in block 958696 (2026-07-19T07:45:31Z), 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/PLA800805005.
      date published: 2026-07-19T07:45:31Z
    audio: After a Hot Day
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 113.1
      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: 0.829
      additional property: Energy
        type: PropertyValue
        value: 0.517
      additional property: Speechiness
        type: PropertyValue
        value: 0.075
      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: Ek Jati Ek Pran
album: Bhal Pua Ne Nupua
album: Kolia Daor
album: Anondo Gaan Uthuk Tobe Baaji
album: Probhu Bolo Bolo
album: Biswasathe Joge Jethay Biharo
album: Aparajita
album: Keno Bani Tobo
album: Joyo Tobo Bichitro Anondo
album: Jibone Judi Tumi Thakte Pashe
album: Kon Baper Meyare Tui
album: Roja Rani

Acousticness
type: PropertyValue
value: 0.349

Instrumentalness
type: PropertyValue
value: 0.825

Liveness
type: PropertyValue
value: 0.103

Valence (Positivity)
type: PropertyValue
value: 0.399

Loudness (dB)
type: PropertyValue
value: -7.992

Key Name
type: PropertyValue
value: C#

Mode Name
type: PropertyValue
value: Major

Ek Jati Ek Pran
type: MusicAlbum
date published: 2018-01-04

Bhal Pua Ne Nupua
type: MusicAlbum
date published: 2021-09-27

Kolia Daor
type: MusicAlbum
date published: 2022-11-11

Anondo Gaan Uthuk Tobe Baaji
type: MusicAlbum
date published: 2023-07-12

Probhu Bolo Bolo
type: MusicAlbum
date published: 2023-07-27

Biswasathe Joge Jethay Biharo
type: MusicAlbum
date published: 2023-07-28

Aparajita
type: MusicAlbum
date published: 2023-08-03

Keno Bani Tobo
type: MusicAlbum
date published: 2023-08-04

Joyo Tobo Bichitro Anondo
type: MusicAlbum
date published: 2023-08-09

Jibone Judi Tumi Thakte Pashe
type: MusicAlbum
date published: 2024-05-20

Kon Baper Meyare Tui
type: MusicAlbum
date published: 2024-05-20

Roja Rani
type: MusicAlbum
date published: 2025-04-15