GMC Center Music
type: MusicGroup
popularity: 8
followers: 101
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4780e88cb25e7cce7e25819c1d2199ac59ecee2de5577ac8275c5c8ae5bccfe6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954618
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954618
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c92e7c18-9826-472e-89f2-567d92c8e501.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c92e7c18-9826-472e-89f2-567d92c8e501.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c92e7c18-9826-472e-89f2-567d92c8e501
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T23:05:13Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4780e88cb25e7cce7e25819c1d2199ac59ecee2de5577ac8275c5c8ae5bccfe6","name":"GMC Center Music","registered_at":"2026-06-20T22:05:39Z","symbol":"NIM1728751","token_address":"0x7e8a9cd4a636f67f268bc581a16d7108258e497b","type":"artist","uuid":"c92e7c18-9826-472e-89f2-567d92c8e501"}
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 0x4780e88cb25e7cce7e25819c1d2199ac59ecee2de5577ac8275c5c8ae5bccfe6. Chain 2 (Bitcoin): anchored in block 954618 (2026-06-20T23:05:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c92e7c18-9826-472e-89f2-567d92c8e501.json and https://artists.proofprofile.net/proofs/artist/c92e7c18-9826-472e-89f2-567d92c8e501.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T23:05:13Z
  text: {"copyright_id":"0x4780e88cb25e7cce7e25819c1d2199ac59ecee2de5577ac8275c5c8ae5bccfe6","name":"GMC Center Music","registered_at":"2026-06-20T22:05:39Z","symbol":"NIM1728751","token_address":"0x7e8a9cd4a636f67f268bc581a16d7108258e497b","type":"artist","uuid":"c92e7c18-9826-472e-89f2-567d92c8e501"}
album: Jontrona
  type: MusicAlbum
  date published: 2024-02-25
album: Je Mone Nai Prem
  type: MusicAlbum
  date published: 2024-02-25
album: Koiro Na Piriti
  type: MusicAlbum
  date published: 2024-03-06
  track: Koiro Na Piriti
    type: MusicRecording
    duration: PT3M10S
    duration ms: 190434
    explicit: false
    by artist: GMC Center Music
    in album: Koiro Na Piriti
      type: MusicAlbum
      date published: 2024-03-06
    isrc code: QZZ662450470
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T00:28:53+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xd0f0ee0df3ebc64f06da7d309a0ca44b1dc56557a27454b083931591e7f85363
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956422
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956422
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ662450470
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T01:01:38Z
    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 0xd0f0ee0df3ebc64f06da7d309a0ca44b1dc56557a27454b083931591e7f85363. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/QZZ662450470.
      date published: 2026-07-03T01:01:38Z
    audio: Koiro Na Piriti
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 137.932
      additional property: Musical Key
        type: PropertyValue
        value: 3
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 3
      additional property: Danceability
        type: PropertyValue
        value: 0.813
      additional property: Energy
        type: PropertyValue
        value: 0.512
      additional property: Speechiness
        type: PropertyValue
        value: 0.066
      additional property: Acousticness
        type: PropertyValue
        value: 0.63
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.306
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.833
      additional property: Loudness (dB)
        type: PropertyValue
        value: -8.541
      additional property: Key Name
        type: PropertyValue
        value: Eb
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Shokher Nari
  type: MusicAlbum
  date published: 2024-05-10
album: Attohotta (আত্মহত্যা)
  type: MusicAlbum
  date published: 2024-05-28
  track: Attohotta - আত্মহত্যা
    type: MusicRecording
    duration: PT3M10S
    duration ms: 190839
    explicit: false
    by artist: GMC Center Music
    in album: Attohotta (আত্মহত্যা)
      type: MusicAlbum
      date published: 2024-05-28
    isrc code: QZYFZ2442384
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T09:53:18+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x1daff8e32fd2753ea35160cf773a773eb41e6f063f8ca666ae3f2c7518b587d8
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956545
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956545
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZYFZ2442384
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T19:59:51Z
    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 0x1daff8e32fd2753ea35160cf773a773eb41e6f063f8ca666ae3f2c7518b587d8. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/QZYFZ2442384.
      date published: 2026-07-03T19:59:51Z
    audio: Attohotta - আত্মহত্যা
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 157.499
      additional property: Musical Key
        type: PropertyValue
        value: 11
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 3
      additional property: Danceability
        type: PropertyValue
        value: 0.439
      additional property: Energy
        type: PropertyValue
        value: 0.577
      additional property: Speechiness
        type: PropertyValue
        value: 0.081
      additional property: Acousticness
        type: PropertyValue
        value: 0.724
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Ei Duniyar Prem Bajare

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.354

Valence (Positivity)
type: PropertyValue
value: 0.665

Loudness (dB)
type: PropertyValue
value: -4.468

Key Name
type: PropertyValue
value: B

Mode Name
type: PropertyValue
value: Minor

Ei Duniyar Prem Bajare
type: MusicAlbum
date published: 2024-05-28