Masterpeace
type: MusicGroup
description: Masterpeace is the sixth studio album by American heavy metal band Metal Church released on July 22, 1999 via Nuclear Blast. It features the return of vocalist David Wayne, absent since The Dark (1986
popularity: 4
followers: 69
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x365aca326a74ddd99847848c8fac8ba5c782aa72103877a26ef37d7d39c856b1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954065
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954065
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4cdc4238-49a4-4e32-ad1e-47d4a906fe6d.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4cdc4238-49a4-4e32-ad1e-47d4a906fe6d.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/4cdc4238-49a4-4e32-ad1e-47d4a906fe6d
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:10:43Z
additional property: OTSCanonicalRecord
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 0x365aca326a74ddd99847848c8fac8ba5c782aa72103877a26ef37d7d39c856b1. 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/4cdc4238-49a4-4e32-ad1e-47d4a906fe6d.json and https://artists.proofprofile.net/proofs/artist/4cdc4238-49a4-4e32-ad1e-47d4a906fe6d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
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  type: MusicAlbum
  date published: 2008-01-01
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  type: MusicAlbum
  date published: 2012-02-29
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  type: MusicAlbum
  date published: 2013-01-31
album: The Circus
  type: MusicAlbum
  date published: 2025-10-26