Summoner's Circle
type: MusicGroup
genre: black metal
genre: doom metal
genre: melodic death metal
popularity: 3
followers: 2302
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1132792eeea7d63a84353ff9d31dee418618d5645cbbcc46a446cb30ce3d1123
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954174
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954174
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7fe59cde-5e64-4387-bc78-b12bf1189f31.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7fe59cde-5e64-4387-bc78-b12bf1189f31.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/7fe59cde-5e64-4387-bc78-b12bf1189f31
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-18T03:01:36Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1132792eeea7d63a84353ff9d31dee418618d5645cbbcc46a446cb30ce3d1123","name":"Summoner's Circle","registered_at":"2026-06-17T10:05:22Z","symbol":"NIM1361464","token_address":"0x73c5e034fa9808b9344475b1d345533fce3847ea","type":"artist","uuid":"7fe59cde-5e64-4387-bc78-b12bf1189f31"}
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 0x1132792eeea7d63a84353ff9d31dee418618d5645cbbcc46a446cb30ce3d1123. Chain 2 (Bitcoin): anchored in block 954174 (2026-06-18T03:01:36Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7fe59cde-5e64-4387-bc78-b12bf1189f31.json and https://artists.proofprofile.net/proofs/artist/7fe59cde-5e64-4387-bc78-b12bf1189f31.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-18T03:01:36Z
  text: {"copyright_id":"0x1132792eeea7d63a84353ff9d31dee418618d5645cbbcc46a446cb30ce3d1123","name":"Summoner's Circle","registered_at":"2026-06-17T10:05:22Z","symbol":"NIM1361464","token_address":"0x73c5e034fa9808b9344475b1d345533fce3847ea","type":"artist","uuid":"7fe59cde-5e64-4387-bc78-b12bf1189f31"}
album: First Summoning
  type: MusicAlbum
  date published: 2015-10-30
album: Tome
  type: MusicAlbum
  date published: 2018-06-01
album: Worm Tunnel
  type: MusicAlbum
  date published: 2019-04-12
album: Become None
  type: MusicAlbum
  date published: 2019-05-17
album: Become None
  type: MusicAlbum
  date published: 2019-05-17
album: Chaos Vector
  type: MusicAlbum
  date published: 2021-07-07
album: Of Black Horizons
  type: MusicAlbum
  date published: 2021-08-06
album: Apostasy
  type: MusicAlbum
  date published: 2021-08-27
album: Chaos Vector
  type: MusicAlbum
  date published: 2021-08-27
album: Irreverence of the Cross
  type: MusicAlbum
  date published: 2024-03-01
album: Cult of the Dead Son
  type: MusicAlbum
  date published: 2024-04-05
album: Shroud of Humanity
  type: MusicAlbum
  date published: 2024-05-03
album: Cult
  type: MusicAlbum
  date published: 2024-05-24