sgt.
type: MusicGroup
genre: math rock
genre: post-rock
popularity: 2
followers: 273
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4eaf76147628bc0e9576eaf825e307fa4f44be797e13603c8d2af030d3d33c83
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953928
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953928
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1cf9da60-8bfe-4b7d-b515-b5e9610e8e4c.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1cf9da60-8bfe-4b7d-b515-b5e9610e8e4c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/1cf9da60-8bfe-4b7d-b515-b5e9610e8e4c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T10:21:55Z
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 0x4eaf76147628bc0e9576eaf825e307fa4f44be797e13603c8d2af030d3d33c83. Chain 2 (Bitcoin): anchored in block 953928 (2026-06-16T10:21:55Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1cf9da60-8bfe-4b7d-b515-b5e9610e8e4c.json and https://artists.proofprofile.net/proofs/artist/1cf9da60-8bfe-4b7d-b515-b5e9610e8e4c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T10:21:55Z
album: perception of causality
  type: MusicAlbum
  date published: 2005-11-02
album: perception of causality
  type: MusicAlbum
  date published: 2005-11-02
album: sggmt!!
  type: MusicAlbum
  date published: 2006-11-15
album: sggmt!!
  type: MusicAlbum
  date published: 2006-11-15
album: Stylus Fantasticus
  type: MusicAlbum
  date published: 2008-09-10
album: Stylus Fantasticus
  type: MusicAlbum
  date published: 2008-09-10
album: capital of gravity
  type: MusicAlbum
  date published: 2009-10-07
album: capital of gravity
  type: MusicAlbum
  date published: 2009-10-07
album: BIRTHDAY
  type: MusicAlbum
  date published: 2011-08-17
album: BIRTHDAY
  type: MusicAlbum
  date published: 2011-08-17