Daniel Bernard Roumain
type: MusicGroup
description: thumb|upright=0.8|Daniel Bernard Roumain in Vancouver (2010) Daniel Bernard Roumain (; known by his initials, DBR; born 1970) is a composer, performer, violinist, and band-leader, whose work combines
popularity: 4
followers: 867
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa716d35af47f07241ef1d5909eea9fc503735a709f2f8a0840e28a0715815db4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953871
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953871
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/07198a12-7d42-479d-b0f7-4fc8f21acbd7.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/07198a12-7d42-479d-b0f7-4fc8f21acbd7.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/07198a12-7d42-479d-b0f7-4fc8f21acbd7
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T01:46:03Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa716d35af47f07241ef1d5909eea9fc503735a709f2f8a0840e28a0715815db4","name":"Daniel Bernard Roumain","registered_at":"2026-06-15T16:05:08Z","symbol":"NIM0760077","token_address":"0x5aa93307179b0dee2de8c2fe6bcb351f66796e22","type":"artist","uuid":"07198a12-7d42-479d-b0f7-4fc8f21acbd7"}
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 0xa716d35af47f07241ef1d5909eea9fc503735a709f2f8a0840e28a0715815db4. Chain 2 (Bitcoin): anchored in block 953909 (2026-06-16T07:53:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/07198a12-7d42-479d-b0f7-4fc8f21acbd7.json and https://artists.proofprofile.net/proofs/artist/07198a12-7d42-479d-b0f7-4fc8f21acbd7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T07:53:13Z
  text: {"copyright_id":"0xa716d35af47f07241ef1d5909eea9fc503735a709f2f8a0840e28a0715815db4","name":"Daniel Bernard Roumain","registered_at":"2026-06-15T16:05:08Z","symbol":"NIM0760077","token_address":"0x5aa93307179b0dee2de8c2fe6bcb351f66796e22","type":"artist","uuid":"07198a12-7d42-479d-b0f7-4fc8f21acbd7"}
album: Pulsing
  type: MusicAlbum
  date published: 2006-01-01
album: Etudes4Violin&Electronix
  type: MusicAlbum
  date published: 2007-06-26
album: Etudes4Violin&Electronix
  type: MusicAlbum
  date published: 2007-06-26
album: Etudes4Violin&Electronix
  type: MusicAlbum
  date published: 2007-06-26
album: Woodbox Beats & Balladry
  type: MusicAlbum
  date published: 2010-03-30
album: Woodbox Beats & Balladry
  type: MusicAlbum
  date published: 2010-03-30
album: Woodbox Beats & Balladry
  type: MusicAlbum
  date published: 2010-03-30
album: The Collide
  type: MusicAlbum
  date published: 2012-09-04
album: They Still Want to Kill Us
  type: MusicAlbum
  date published: 2022-05-27
album: Why Did They Kill Sandra Bland?
  type: MusicAlbum
  date published: 2023-01-27
track: Roumain: Filter

Roumain: Filter
type: MusicRecording
duration: PT4M24S
duration ms: 264413
explicit: false
by artist: Daniel Bernard Roumain
by artist: Augustin Hadelich
in album: American Road Trip
  type: MusicAlbum
  date published: 2024-08-23
isrc code: GBAYC2400584
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T23:01:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5b3538dc381cc6a261acc82c28fb860a89cbc6288fbb2d8d435a583e7330c92e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2400584
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b3538dc381cc6a261acc82c28fb860a89cbc6288fbb2d8d435a583e7330c92e. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/GBAYC2400584.
  date published: 2026-07-08T03:20:19Z
audio: Roumain: Filter
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 122.539
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.463
  additional property: Energy
    type: PropertyValue
    value: 0.462
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.967
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.846
  additional property: Liveness
    type: PropertyValue
    value: 0.121
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.651
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.413
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major