Heptagon Heaven
type: MusicGroup
genre: boogie-woogie
genre: electronic rock
genre: krautrock
genre: synthwave
popularity: 3
followers: 275
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd63556cfcd3ebf099cca140e05849cd11da98b890d25a56b876c96229d103423
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953924
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953924
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1d270fe5-379c-4230-8201-d5d34402d8ab.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1d270fe5-379c-4230-8201-d5d34402d8ab.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/1d270fe5-379c-4230-8201-d5d34402d8ab
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T09:52:28Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd63556cfcd3ebf099cca140e05849cd11da98b890d25a56b876c96229d103423","name":"Heptagon Heaven","registered_at":"2026-06-15T23:44:29Z","symbol":"NIM0869669","token_address":"0xd969dfa2c72e24658dae8d3185e2eacd8ae4b62e","type":"artist","uuid":"1d270fe5-379c-4230-8201-d5d34402d8ab"}
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd63556cfcd3ebf099cca140e05849cd11da98b890d25a56b876c96229d103423. Chain 2 (Bitcoin): anchored in block 953924 (2026-06-16T09:52:28Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1d270fe5-379c-4230-8201-d5d34402d8ab.json and https://artists.proofprofile.net/proofs/artist/1d270fe5-379c-4230-8201-d5d34402d8ab.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T09:52:28Z
  text: {"copyright_id":"0xd63556cfcd3ebf099cca140e05849cd11da98b890d25a56b876c96229d103423","name":"Heptagon Heaven","registered_at":"2026-06-15T23:44:29Z","symbol":"NIM0869669","token_address":"0xd969dfa2c72e24658dae8d3185e2eacd8ae4b62e","type":"artist","uuid":"1d270fe5-379c-4230-8201-d5d34402d8ab"}
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