Cone of Depression
type: MusicGroup
genre: black metal
genre: speed metal
description: thumb|A cone of depression forms around a pumping well. A cone of depression is a circular area surrounding a well where groundwater levels are reduced from pumping. In an unconfined aquifer (water t
popularity: 15
followers: 628
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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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album: Suffocation
  type: MusicAlbum
  date published: 2022-12-26
album: Freed
  type: MusicAlbum
  date published: 2023-01-04
album: Sinking
  type: MusicAlbum
  date published: 2023-02-01
album: Me & Me
  type: MusicAlbum
  date published: 2023-02-01
album: Freed
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  date published: 2023-02-01
album: Suffocation
  type: MusicAlbum
  date published: 2023-02-02
album: Slowly We Rust
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  date published: 2023-02-02
album: Wrong
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  date published: 2023-02-03
album: Waiting
  type: MusicAlbum
  date published: 2023-02-07
album: Waiting
  type: MusicAlbum
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album: Pride
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  date published: 2023-02-12
album: Pride
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  date published: 2023-02-13
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      date published: 2023-02-13
    genre: black metal
    genre: speed metal
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-18T12:14:37Z
    audio: Pride
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album: Delusion
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album: Delusion
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album: Delusion
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album: Suffocation
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album: Sinking
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album: Slowly We Rust
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album: Freed
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album: Sinking
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    in album: Sinking
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    genre: black metal
    genre: speed metal
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    subject of: OpenTimestamps Proof of Existence
    audio: Sinking

CopyrightRegisteredAt
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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
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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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b1ff6fb6812ce61bf2899292b01bd6030cdd46c2bd1dc94133145a404153630. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/TCAJL2578984.
date published: 2026-07-18T12:14:37Z

Sinking
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additional property: Tempo (BPM)
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additional property: Time Signature
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additional property: Danceability
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additional property: Energy
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Sinking
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date published: 2024-02-27

Wrong
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track: Wrong
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  genre: black metal
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-04T02:06:47Z
  audio: Wrong
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    additional property: Danceability
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Freed
type: MusicAlbum
date published: 2024-04-26

Me & Me
type: MusicAlbum
date published: 2024-05-11

Suffocation
type: MusicAlbum
date published: 2024-05-24

Slowly We Rust
type: MusicAlbum
date published: 2024-05-24

Wrong
type: MusicAlbum
date published: 2024-05-25

Slowly We Rust
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date published: 2024-07-15
track: Slowly We Rust
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    date published: 2024-07-15
  genre: black metal
  genre: speed metal
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-16T12:36:13Z
  audio: Slowly We Rust
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Me & Me
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-16T05:43:08Z
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Suffocation
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    date published: 2026-07-16T12:55:53Z
  audio: Suffocation
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Freed
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date published: 2024-09-08
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    date published: 2024-09-08
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  genre: speed metal
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  subject of: OpenTimestamps Proof of Existence
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Me & Me
type: MusicAlbum
date published: 2024-09-10

Pride
type: MusicAlbum
date published: 2024-11-30

Wrong
type: MusicAlbum
date published: 2024-12-31

Waiting
type: MusicAlbum
date published: 2025-01-15

Delusion
type: MusicAlbum
date published: 2025-02-11

Freed
type: MusicAlbum
date published: 2025-08-26

Suffocation
type: MusicAlbum
date published: 2025-08-26