Back2Black
type: MusicGroup
genre: bass house
genre: g-house
popularity: 9
followers: 2369
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x39480cc76fb310e2092b98cb790027fc8102b2f8acead0bb16429513337cd736
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/593394c7-1c1f-4dbd-8030-6c8685798f78.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/593394c7-1c1f-4dbd-8030-6c8685798f78.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/593394c7-1c1f-4dbd-8030-6c8685798f78
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
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 0x39480cc76fb310e2092b98cb790027fc8102b2f8acead0bb16429513337cd736. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/593394c7-1c1f-4dbd-8030-6c8685798f78.json and https://artists.proofprofile.net/proofs/artist/593394c7-1c1f-4dbd-8030-6c8685798f78.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
album: Future
  type: MusicAlbum
  date published: 2016-10-12
album: Wannabe
  type: MusicAlbum
  date published: 2017-07-10
album: Diamonds
  type: MusicAlbum
  date published: 2017-10-25
album: Sauce
  type: MusicAlbum
  date published: 2018-10-17
album: Places
  type: MusicAlbum
  date published: 2018-10-30
album: 20812
  type: MusicAlbum
  date published: 2019-02-15
album: “20812” EP
  type: MusicAlbum
  date published: 2019-02-15
album: So Dope
  type: MusicAlbum
  date published: 2020-01-14
album: So Dope
  type: MusicAlbum
  date published: 2020-01-14
album: My Heart
  type: MusicAlbum
  date published: 2021-01-09
album: All Black
  type: MusicAlbum
  date published: 2021-02-05
album: We Move
  type: MusicAlbum
  date published: 2021-02-05
album: Growing Up
  type: MusicAlbum
  date published: 2021-04-09
  track: Growing Up
album: Head in the Clouds
  type: MusicAlbum
  date published: 2021-08-20
track: Doughs Up
track: Tear Out

Growing Up
type: MusicRecording
duration: PT3M37S
duration ms: 217449
explicit: true
by artist: Back2Black
in album: Growing Up
  type: MusicAlbum
  date published: 2021-04-09
genre: bass house
genre: g-house
isrc code: CH6542128550
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T10:35:53+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbfcc597db1a43f89918b40da761f03492b7aec8ff8af9978ecced429a0029ba6
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/CH6542128550
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 0xbfcc597db1a43f89918b40da761f03492b7aec8ff8af9978ecced429a0029ba6. 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/CH6542128550.
  date published: 2026-07-08T03:20:19Z
audio: Growing Up
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 134.317
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.81
  additional property: Energy
    type: PropertyValue
    value: 0.683
  additional property: Speechiness
    type: PropertyValue
    value: 0.073
  additional property: Acousticness
    type: PropertyValue
    value: 0.004
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.886
  additional property: Liveness
    type: PropertyValue
    value: 0.105
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.053
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.131
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Doughs Up
type: MusicRecording
duration: PT4M36S
duration ms: 276048
explicit: false
by artist: GODAMN
by artist: Back2Black
in album: Post Tenebras, House Vol. I
  type: MusicAlbum
  date published: 2018-03-09
genre: bass-house
isrc code: USLD91713432
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T16:14:03+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x925057e1dd5d264fe71e0d61ed5f830203b986724e31add885416c066dfd8317
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/USLD91713432
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
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 0x925057e1dd5d264fe71e0d61ed5f830203b986724e31add885416c066dfd8317. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/USLD91713432.
  date published: 2026-07-08T03:22:41Z
audio: Doughs Up
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 134.325
  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: 0.827
  additional property: Energy
    type: PropertyValue
    value: 0.878
  additional property: Speechiness
    type: PropertyValue
    value: 0.122
  additional property: Acousticness
    type: PropertyValue
    value: 0.02
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.741
  additional property: Liveness
    type: PropertyValue
    value: 0.082
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.492
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.964
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tear Out
type: MusicRecording
duration: PT4M0S
duration ms: 240081
explicit: false
by artist: Sonny Banks
by artist: Back2Black
in album: Alchemy 3
  type: MusicAlbum
  date published: 2018-10-12
genre: future-house
genre: bass-house
genre: g-house
genre: bassline
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa42f05d19ce6d576a4af6c69beb576ffb58744e3f4e11bd48acf046b1dbafc6d. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), 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/USLD91716127.
  date published: 2026-07-29T21:09:47Z
audio: Tear Out
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 137.035
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.794
  additional property: Energy
    type: PropertyValue
    value: 0.814
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.005
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.82
  additional property: Liveness
    type: PropertyValue
    value: 0.076
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.328
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.159
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: USLD91716127
additional property: CopyrightID
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: 960144
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-29T21:09:47+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USLD91716127
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960144
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960144
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T21:09:47+00:00
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch