Dark Sermon
type: MusicGroup
genre: deathcore
genre: death metal
description: Dark Sermon was an American blackened death metal band from Tampa, Florida. The band was formed in 2009 under the name "In Reference to a Sinking Ship" and later changed their name to "Dark Sermon" in
popularity: 7
followers: 3697
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0c298789576fe4dfcae4b8c9be8f517f606d70fcd1cf1f572a0431343538352a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954631
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954631
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d0e0ccdf-ba2c-4872-ada0-55c31d28396c.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d0e0ccdf-ba2c-4872-ada0-55c31d28396c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/d0e0ccdf-ba2c-4872-ada0-55c31d28396c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T02:46:24Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0c298789576fe4dfcae4b8c9be8f517f606d70fcd1cf1f572a0431343538352a","name":"Dark Sermon","registered_at":"2026-06-21T00:47:29Z","symbol":"NIM1767675","token_address":"0x55cc894505c5200c838bb65f63976f851dfbd8c2","type":"artist","uuid":"d0e0ccdf-ba2c-4872-ada0-55c31d28396c"}
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 0x0c298789576fe4dfcae4b8c9be8f517f606d70fcd1cf1f572a0431343538352a. Chain 2 (Bitcoin): anchored in block 954631 (2026-06-21T02:46:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d0e0ccdf-ba2c-4872-ada0-55c31d28396c.json and https://artists.proofprofile.net/proofs/artist/d0e0ccdf-ba2c-4872-ada0-55c31d28396c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T02:46:24Z
  text: {"copyright_id":"0x0c298789576fe4dfcae4b8c9be8f517f606d70fcd1cf1f572a0431343538352a","name":"Dark Sermon","registered_at":"2026-06-21T00:47:29Z","symbol":"NIM1767675","token_address":"0x55cc894505c5200c838bb65f63976f851dfbd8c2","type":"artist","uuid":"d0e0ccdf-ba2c-4872-ada0-55c31d28396c"}
album: Imperfect Contrition
  type: MusicAlbum
  date published: 2013-03-05
album: Imperfect Contrition
  type: MusicAlbum
  date published: 2013-03-05
album: Imperfect Contrition
  type: MusicAlbum
  date published: 2013-03-05
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  type: MusicAlbum
  date published: 2013-03-26
album: In Tongues
  type: MusicAlbum
  date published: 2013-03-26
album: In Tongues
  type: MusicAlbum
  date published: 2013-03-26
album: In Tongues
  type: MusicAlbum
  date published: 2013-04-12
album: In Tongues
  type: MusicAlbum
  date published: 2013-04-12
album: In Tongues
  type: MusicAlbum
  date published: 2013-04-12
album: In Tongues
  type: MusicAlbum
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album: In Each Hand, A Talisman of Sacred Stone
  type: MusicAlbum
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  type: MusicAlbum
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album: The Oracle
  type: MusicAlbum
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album: The Oracle
  type: MusicAlbum
  date published: 2015-08-21