Cerberus
type: MusicGroup
genre: groove metal
description: thumb|right|Heracles, wearing his characteristic lion-skin, club in right hand, leash in left, presenting a three-headed Cerberus, snakes coiling from his snouts, necks and front paws, to a frightened
popularity: 18
followers: 8940
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additional property: OTSVerifyInstructions
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  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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8ac2eca71cb4ed38990727aee01731c05725d68d56842a2ecfbd6d88f0a8fee. Chain 2 (Bitcoin): anchored in block 953699 (2026-06-14T22:00:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6687fc41-d623-49f2-bb81-1b36417e7461.json and https://artists.proofprofile.net/proofs/artist/6687fc41-d623-49f2-bb81-1b36417e7461.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T22:00:24Z
album: Otura Ka
  type: MusicAlbum
  date published: 2014-04-04
album: Otura Ka
  type: MusicAlbum
  date published: 2014-04-04
album: Lust for Blood
  type: MusicAlbum
  date published: 2016-06-27
  track: Lust for Blood
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    duration: PT3M26S
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    by artist: Cerberus
    in album: Lust for Blood
      type: MusicAlbum
      date published: 2016-06-27
    genre: groove metal
    isrc code: QM4DW1830156
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    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
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa824b4a7f1f89aabf41422aafc11e38f73769100489c312806b7294d962e1b9a. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), 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/QM4DW1830156.
      date published: 2026-07-04T02:06:47Z
    audio: Lust for Blood
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 100.457
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        type: PropertyValue
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        value: 1
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        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.523
      additional property: Energy
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      additional property: Speechiness
        type: PropertyValue
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      additional property: Acousticness
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      additional property: Instrumentalness
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      additional property: Liveness
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      additional property: Valence (Positivity)
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album: Lust for Blood
  type: MusicAlbum
  date published: 2016-06-27
album: Self Made Hell
  type: MusicAlbum
  date published: 2016-09-06
  track: Self Made Hell
    type: MusicRecording
    duration: PT4M20S
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    by artist: Cerberus
    in album: Self Made Hell
      type: MusicAlbum
      date published: 2016-09-06
    genre: groove metal
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    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 0x6c09bcecee22db406d0692f5a850afc6ad11d8ead7b777ff15e726ceecc36ff9. Chain 2 (Bitcoin): anchored in block 958736 (2026-07-19T15:59:59Z), 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/UST8K1618355.
      date published: 2026-07-19T15:59:59Z
    audio: Self Made Hell
      type: AudioObject
      additional property: Tempo (BPM)
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        value: 94.027
      additional property: Musical Key
        type: PropertyValue
        value: 7
      additional property: Mode (Major/Minor)
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        value: 1
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        type: PropertyValue
        value: 4
      additional property: Danceability
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      additional property: Acousticness
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album: Saint Pride
album: Stfu!
album: The Ending
album: Last Dance
album: Fire!
album: Self Made Hell (Acoustic Version)

Acousticness
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value: 0.001

Instrumentalness
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Liveness
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value: 0.341

Valence (Positivity)
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value: 0.196

Loudness (dB)
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value: -2.693

Key Name
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value: G

Mode Name
type: PropertyValue
value: Major

Saint Pride
type: MusicAlbum
date published: 2017-07-12

Stfu!
type: MusicAlbum
date published: 2018-04-10

Stfu!
type: MusicAlbum
date published: 2018-04-10

The Ending
type: MusicAlbum
date published: 2019-04-18

Last Dance
type: MusicAlbum
date published: 2019-05-30

Fire!
type: MusicAlbum
date published: 2019-07-12

Fire!
type: MusicAlbum
date published: 2019-07-12
track: Tekilla - Spanish Version
  type: MusicRecording
  duration: PT4M47S
  duration ms: 287827
  explicit: false
  by artist: Cerberus
  in album: Fire!
    type: MusicAlbum
    date published: 2019-07-12
  genre: groove metal
  isrc code: QZFYY1992626
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  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 0xe9f6fe8e6753b9729a40a86ef3366be43e4bacb9a57204bb4c0edb8b040c9ea7. 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/QZFYY1992626.
    date published: 2026-07-04T11:19:20Z
  audio: Tekilla - Spanish Version
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 166.048
    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Instrumentalness
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    additional property: Liveness
      type: PropertyValue
      value: 0.954
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.521
    additional property: Loudness (dB)
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    additional property: Key Name
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      value: A
    additional property: Mode Name
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Self Made Hell (Acoustic Version)
type: MusicAlbum
date published: 2020-05-22