Blessed Black
type: MusicGroup
genre: doom metal
genre: sludge metal
genre: stoner rock
popularity: 11
followers: 1338
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1c62552acc4d25988efc7519deb6f9ab674ef03a92b9a962bf34045919c6b195
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953648
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953648
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4418431f-2f91-4f47-a7e6-bde6fdcf583f.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4418431f-2f91-4f47-a7e6-bde6fdcf583f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/4418431f-2f91-4f47-a7e6-bde6fdcf583f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T15:20:52Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1c62552acc4d25988efc7519deb6f9ab674ef03a92b9a962bf34045919c6b195","name":"Blessed Black","registered_at":"2026-06-14T11:33:00Z","symbol":"NIM0439785","token_address":"0x52517c34a43619661b4c8fe87d770964158e9721","type":"artist","uuid":"4418431f-2f91-4f47-a7e6-bde6fdcf583f"}
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 0x1c62552acc4d25988efc7519deb6f9ab674ef03a92b9a962bf34045919c6b195. Chain 2 (Bitcoin): anchored in block 953648 (2026-06-14T15:20:52Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4418431f-2f91-4f47-a7e6-bde6fdcf583f.json and https://artists.proofprofile.net/proofs/artist/4418431f-2f91-4f47-a7e6-bde6fdcf583f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T15:20:52Z
  text: {"copyright_id":"0x1c62552acc4d25988efc7519deb6f9ab674ef03a92b9a962bf34045919c6b195","name":"Blessed Black","registered_at":"2026-06-14T11:33:00Z","symbol":"NIM0439785","token_address":"0x52517c34a43619661b4c8fe87d770964158e9721","type":"artist","uuid":"4418431f-2f91-4f47-a7e6-bde6fdcf583f"}
album: Stormbringer
  type: MusicAlbum
  date published: 2018-09-12
album: The Black Gate
  type: MusicAlbum
  date published: 2018-10-09
album: Beyond The Crimson Throne
  type: MusicAlbum
  date published: 2019-01-18
album: Beyond the Crimson Throne
  type: MusicAlbum
  date published: 2020-01-16
album: La Brea
  type: MusicAlbum
  date published: 2021-02-10
album: Obsidian
  type: MusicAlbum
  date published: 2023-07-05
  track: Obsidian
    type: MusicRecording
    duration: PT4M17S
    duration ms: 257407
    explicit: false
    by artist: Blessed Black
    in album: Obsidian
      type: MusicAlbum
      date published: 2023-07-05
    genre: doom metal
    genre: sludge metal
    genre: stoner rock
    isrc code: QZNWR2351421
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-16T07:07:53+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x0531a7bd13804ae3ad9e3d2bbcc229dd36a9916fc1503070466dde38dc22a263
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958256
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958256
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNWR2351421
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-16T07:22:18Z
    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 0x0531a7bd13804ae3ad9e3d2bbcc229dd36a9916fc1503070466dde38dc22a263. Chain 2 (Bitcoin): anchored in block 958256 (2026-07-16T07:22:18Z), 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/QZNWR2351421.
      date published: 2026-07-16T07:22:18Z
    audio: Obsidian
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 153.111
      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: 0.379
      additional property: Energy
        type: PropertyValue
        value: 0.645
      additional property: Speechiness
        type: PropertyValue
        value: 0.03
      additional property: Acousticness
        type: PropertyValue
        value: 0
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.58
      additional property: Liveness
        type: PropertyValue
        value: 0.314
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.241
      additional property: Loudness (dB)
        type: PropertyValue
        value: -8.364
      additional property: Key Name
        type: PropertyValue
        value: C#
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Unable
  type: MusicAlbum
  date published: 2023-08-04
album: Seasons, Vol. 1
  type: MusicAlbum
  date published: 2023-09-01
album: Asunder
  type: MusicAlbum
  date published: 2024-02-29
  track: Asunder
    type: MusicRecording
    duration: PT4M54S
    duration ms: 294518
    explicit: false
    by artist: Blessed Black
    in album: Asunder
      type: MusicAlbum
      date published: 2024-02-29
    genre: doom metal
    genre: sludge metal
    genre: stoner rock
    isrc code: QZES82461478
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-14T22:16:13+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xf9299cd19077240bd708a6c9690a16bcf6825f77b4d718ac09001636b36286df
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958074
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958074
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES82461478
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-14T22:45:25Z
    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 0xf9299cd19077240bd708a6c9690a16bcf6825f77b4d718ac09001636b36286df. Chain 2 (Bitcoin): anchored in block 958074 (2026-07-14T22:45:25Z), 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/QZES82461478.
      date published: 2026-07-14T22:45:25Z
    audio: Asunder
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 128.173
      additional property: Musical Key
      additional property: Mode (Major/Minor)
      additional property: Time Signature
      additional property: Danceability
      additional property: Energy
      additional property: Speechiness
      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: Solve Et Coagula
album: Seasons:, Vol. 2

Musical Key
type: PropertyValue
value: 9

Mode (Major/Minor)
type: PropertyValue
value: 1

Time Signature
type: PropertyValue
value: 4

Danceability
type: PropertyValue
value: 0.407

Energy
type: PropertyValue
value: 0.669

Speechiness
type: PropertyValue
value: 0.031

Acousticness
type: PropertyValue
value: 0

Instrumentalness
type: PropertyValue
value: 0.82

Liveness
type: PropertyValue
value: 0.132

Valence (Positivity)
type: PropertyValue
value: 0.208

Loudness (dB)
type: PropertyValue
value: -8.694

Key Name
type: PropertyValue
value: A

Mode Name
type: PropertyValue
value: Major

Solve Et Coagula
type: MusicAlbum
date published: 2024-03-29
track: Solve Et Coagula
  type: MusicRecording
  duration: PT5M2S
  duration ms: 302028
  explicit: false
  by artist: Blessed Black
  in album: Solve Et Coagula
    type: MusicAlbum
    date published: 2024-03-29
  genre: doom metal
  genre: sludge metal
  genre: stoner rock
  isrc code: QZHNA2441503
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T04:45:44+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x43f9b52247cd3278e8bdadeb97b4f5bb79d6f0b2a275d33af3cdef3307551b45
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956639
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956639
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHNA2441503
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-04T11:19:20Z
  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 0x43f9b52247cd3278e8bdadeb97b4f5bb79d6f0b2a275d33af3cdef3307551b45. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/QZHNA2441503.
    date published: 2026-07-04T11:19:20Z
  audio: Solve Et Coagula
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 72.018
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.385
    additional property: Energy
      type: PropertyValue
      value: 0.638
    additional property: Speechiness
      type: PropertyValue
      value: 0.029
    additional property: Acousticness
      type: PropertyValue
      value: 0
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.578
    additional property: Liveness
      type: PropertyValue
      value: 0.127
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.183
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.614
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Major

Seasons:, Vol. 2
type: MusicAlbum
date published: 2024-04-26