Heavy Sentence
type: MusicGroup
genre: heavy metal
genre: speed metal
popularity: 9
followers: 3642
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6f0638754865a73df62823a9caf1bbdf4c0c97449cf5097374af793aba6e74ab
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/5b7bb63a-ce08-499e-a45e-58d450cb14fb.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/5b7bb63a-ce08-499e-a45e-58d450cb14fb.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/5b7bb63a-ce08-499e-a45e-58d450cb14fb
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6f0638754865a73df62823a9caf1bbdf4c0c97449cf5097374af793aba6e74ab","name":"Heavy Sentence","registered_at":"2026-06-16T21:23:35Z","symbol":"NIM1179754","token_address":"0x4e76a0a35d539709c74d0524ead312269acf6bba","type":"artist","uuid":"5b7bb63a-ce08-499e-a45e-58d450cb14fb"}
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 0x6f0638754865a73df62823a9caf1bbdf4c0c97449cf5097374af793aba6e74ab. 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/5b7bb63a-ce08-499e-a45e-58d450cb14fb.json and https://artists.proofprofile.net/proofs/artist/5b7bb63a-ce08-499e-a45e-58d450cb14fb.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x6f0638754865a73df62823a9caf1bbdf4c0c97449cf5097374af793aba6e74ab","name":"Heavy Sentence","registered_at":"2026-06-16T21:23:35Z","symbol":"NIM1179754","token_address":"0x4e76a0a35d539709c74d0524ead312269acf6bba","type":"artist","uuid":"5b7bb63a-ce08-499e-a45e-58d450cb14fb"}
album: Edge of the Knife / Heavy Vengeance
  type: MusicAlbum
  date published: 2019-12-31
album: Age of Fire
  type: MusicAlbum
  date published: 2021-03-02
album: Cold Reins
  type: MusicAlbum
  date published: 2021-03-31
album: On the Run
  type: MusicAlbum
  date published: 2021-04-29
album: Bang to Rights
  type: MusicAlbum
  date published: 2021-05-28
  track: Medusa
    type: MusicRecording
    duration: PT4M14S
    duration ms: 254133
    explicit: false
    by artist: Heavy Sentence
    in album: Bang to Rights
      type: MusicAlbum
      date published: 2021-05-28
    genre: heavy metal
    genre: speed metal
    isrc code: DEPI82022803
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T22:35:23+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x7dd01201bfc3b95ddb73d69f13b8ba935c6d9835041331b76a0aec6ab2f568ef
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956857
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956857
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEPI82022803
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-06T01:26:17Z
    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 0x7dd01201bfc3b95ddb73d69f13b8ba935c6d9835041331b76a0aec6ab2f568ef. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/DEPI82022803.
      date published: 2026-07-06T01:26:17Z
    audio: Medusa
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 97.12
      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: 0.349
      additional property: Energy
        type: PropertyValue
        value: 0.967
      additional property: Speechiness
        type: PropertyValue
        value: 0.108
      additional property: Acousticness
        type: PropertyValue
        value: 0
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.945
      additional property: Liveness
        type: PropertyValue
        value: 0.151
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.413
      additional property: Loudness (dB)
        type: PropertyValue
        value: -6.149
      additional property: Key Name
        type: PropertyValue
        value: C#
      additional property: Mode Name
        type: PropertyValue
        value: Major
  track: On the Run
    type: MusicRecording
    duration: PT3M12S
    duration ms: 192280
    explicit: false
    by artist: Heavy Sentence
    in album: Bang to Rights
      type: MusicAlbum
      date published: 2021-05-28
    genre: heavy metal
    genre: speed metal
    isrc code: DEPI82022809
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-16T18:16:48+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x1058664125ff7e73f089328af7922dfaffe5d00b2ace0f0c2aaca6412d052dae
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958316
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958316
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEPI82022809
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-16T19:42:29Z
    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 0x1058664125ff7e73f089328af7922dfaffe5d00b2ace0f0c2aaca6412d052dae. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), 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/DEPI82022809.
      date published: 2026-07-16T19:42:29Z
    audio: On the Run
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 105.7
      additional property: Musical Key
        type: PropertyValue
        value: 11
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.334
      additional property: Energy
        type: PropertyValue
        value: 0.984
      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: 7 Inches
album: Give Yourself To The Night
album: Warriors of Madness

Speechiness
type: PropertyValue
value: 0.126

Acousticness
type: PropertyValue
value: 0

Instrumentalness
type: PropertyValue
value: 0.883

Liveness
type: PropertyValue
value: 0.196

Valence (Positivity)
type: PropertyValue
value: 0.311

Loudness (dB)
type: PropertyValue
value: -6.085

Key Name
type: PropertyValue
value: B

Mode Name
type: PropertyValue
value: Minor

Bang to Rights
type: MusicAlbum
date published: 2021-05-28

7 Inches
type: MusicAlbum
date published: 2023-02-06

Give Yourself To The Night
type: MusicAlbum
date published: 2023-11-09

Warriors of Madness
type: MusicAlbum
date published: 2024-01-19