Dementar
type: MusicGroup
genre: black metal
genre: dark ambient
genre: dark cabaret
popularity: 14
followers: 2473
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additional property: OTSCanonicalRecord
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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  date published: 2026-06-15T00:43:59Z
album: Alucinações Com o Pós Morte
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  date published: 2023-07-18
album: Cigarette Cigarette for the Suicide Saints
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  date published: 2023-07-19
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    in album: Cigarette Cigarette for the Suicide Saints
      type: MusicAlbum
      date published: 2023-07-19
    genre: black metal
    genre: dark ambient
    genre: dark cabaret
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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
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      date published: 2026-07-04T14:03:39Z
    audio: Cigarette Cigarette for the Suicide Saints
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  track: Dreams in My Empty Castle
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    in album: Cigarette Cigarette for the Suicide Saints
      type: MusicAlbum
      date published: 2023-07-19
    genre: black metal
    genre: dark ambient
    genre: dark cabaret
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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
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c2a22daa8bdc315235cbe83ba087207713a3e44c2b4cda503a5f764be1d18da. 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/QZNJY2335678.
      date published: 2026-07-04T11:19:20Z
    audio: Dreams in My Empty Castle
      type: AudioObject
      additional property: Tempo (BPM)
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      additional property: Danceability
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album: Haxän
album: Pumpkinhead Jack's Curse
album: Ph'nglui Mglw'nafh Cthulhu R'lyeh Wgah'nagl Fhtagn
album: A Magia Eterna das Matas
album: ☆ Night of Sorrow ☆
album: Party in My Empty Castle
album: The Ritual
album: Succubus
album: Dreams in the Forest
album: Vortex of Madness
album: Magic Dance
album: Midnigth Mysteries
album: Whispers
album: The Age of Darkness
album: Epic Hallucinations
album: In the Dungeons of Madness
album: Lonely Day (Cover)
album: Enchanted Forest
album: Gates to the underground

Liveness
type: PropertyValue
value: 0.139

Valence (Positivity)
type: PropertyValue
value: 0.524

Loudness (dB)
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value: -3.479

Key Name
type: PropertyValue
value: Bb

Mode Name
type: PropertyValue
value: Minor

Haxän
type: MusicAlbum
date published: 2023-07-30
track: Iniciação a Missa Negra
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  by artist: Dementar
  in album: Haxän
    type: MusicAlbum
    date published: 2023-07-30
  genre: black metal
  genre: dark ambient
  genre: dark cabaret
  isrc code: QZNJY2382173
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  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-06T06:56:49Z
  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
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    date published: 2026-07-06T06:56:49Z
  audio: Iniciação a Missa Negra
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
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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
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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Pumpkinhead Jack's Curse
type: MusicAlbum
date published: 2023-08-08

Ph'nglui Mglw'nafh Cthulhu R'lyeh Wgah'nagl Fhtagn
type: MusicAlbum
date published: 2023-08-14

A Magia Eterna das Matas
type: MusicAlbum
date published: 2023-08-26

☆ Night of Sorrow ☆
type: MusicAlbum
date published: 2023-09-26

Party in My Empty Castle
type: MusicAlbum
date published: 2023-10-01

The Ritual
type: MusicAlbum
date published: 2023-10-12
track: The Ritual
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  duration: PT2M45S
  duration ms: 165888
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  by artist: Dementar
  in album: The Ritual
    type: MusicAlbum
    date published: 2023-10-12
  genre: black metal
  genre: dark ambient
  genre: dark cabaret
  isrc code: QZTVM2392865
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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    value: 2026-07-12T22:01:25Z
  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 0xb3f0dc1972c50fbf9e039c8e346cfc2ffee6ac7058b4bbe9f54443aa2b8234e8. Chain 2 (Bitcoin): anchored in block 957763 (2026-07-12T22:01:25Z), 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/QZTVM2392865.
    date published: 2026-07-12T22:01:25Z
  audio: The Ritual
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    additional property: Tempo (BPM)
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
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    additional property: Speechiness
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    additional property: Valence (Positivity)
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Succubus
type: MusicAlbum
date published: 2023-10-14

Dreams in the Forest
type: MusicAlbum
date published: 2023-10-21

Vortex of Madness
type: MusicAlbum
date published: 2023-12-19

Magic Dance
type: MusicAlbum
date published: 2023-12-26

Midnigth Mysteries
type: MusicAlbum
date published: 2023-12-29

Whispers
type: MusicAlbum
date published: 2024-03-02

The Age of Darkness
type: MusicAlbum
date published: 2024-03-09

Epic Hallucinations
type: MusicAlbum
date published: 2024-03-24

In the Dungeons of Madness
type: MusicAlbum
date published: 2024-05-18

Lonely Day (Cover)
type: MusicAlbum
date published: 2024-06-16

Enchanted Forest
type: MusicAlbum
date published: 2024-07-13

Gates to the underground
type: MusicAlbum
date published: 2025-06-16