City of Ships
type: MusicGroup
genre: post-rock
genre: sludge metal
genre: space rock
popularity: 2
followers: 1289
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x33ae1a388d2d67ce7b4e758d48c512218400728015ded09988224a5b0a0d35ba
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/6434cec8-8220-443e-a558-8a8dc5d3f26f.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/6434cec8-8220-443e-a558-8a8dc5d3f26f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/6434cec8-8220-443e-a558-8a8dc5d3f26f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x33ae1a388d2d67ce7b4e758d48c512218400728015ded09988224a5b0a0d35ba","name":"City of Ships","registered_at":"2026-06-17T00:56:18Z","symbol":"NIM1230482","token_address":"0x765d2a786393d95faa795bef170533ab0b99c82b","type":"artist","uuid":"6434cec8-8220-443e-a558-8a8dc5d3f26f"}
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 0x33ae1a388d2d67ce7b4e758d48c512218400728015ded09988224a5b0a0d35ba. 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/6434cec8-8220-443e-a558-8a8dc5d3f26f.json and https://artists.proofprofile.net/proofs/artist/6434cec8-8220-443e-a558-8a8dc5d3f26f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x33ae1a388d2d67ce7b4e758d48c512218400728015ded09988224a5b0a0d35ba","name":"City of Ships","registered_at":"2026-06-17T00:56:18Z","symbol":"NIM1230482","token_address":"0x765d2a786393d95faa795bef170533ab0b99c82b","type":"artist","uuid":"6434cec8-8220-443e-a558-8a8dc5d3f26f"}
album: Live Free or Don't
  type: MusicAlbum
  date published: 2007-01-01
album: Minor World
  type: MusicAlbum
  date published: 2011-07-19
album: City of Ships / Rosetta
  type: MusicAlbum
  date published: 2012-08-11
album: Ultraluminal
  type: MusicAlbum
  date published: 2015-03-20