Volta Do Mar
type: MusicGroup
genre: math rock
genre: noise rock
genre: post-rock
description: thumb|Atlantic winds (green), currents (blue) and approximate Portuguese sailing routes (red) during Henry the Navigator's (c.1430–1460) lifetime. The further south ships went, the wider off sailing r
popularity: 3
followers: 459
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xaa0a8e4544f9b02377ec177c2ac48e6ce93d94378bfffbf1053b223caca26dfa
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954342
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954342
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9261a629-e80b-47e6-b830-749b664197ca.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9261a629-e80b-47e6-b830-749b664197ca.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/9261a629-e80b-47e6-b830-749b664197ca
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:22:39Z
additional property: OTSCanonicalRecord
  type: PropertyValue
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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
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  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa0a8e4544f9b02377ec177c2ac48e6ce93d94378bfffbf1053b223caca26dfa. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9261a629-e80b-47e6-b830-749b664197ca.json and https://artists.proofprofile.net/proofs/artist/9261a629-e80b-47e6-b830-749b664197ca.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:22:39Z
  text: {"copyright_id":"0xaa0a8e4544f9b02377ec177c2ac48e6ce93d94378bfffbf1053b223caca26dfa","name":"Volta Do Mar","registered_at":"2026-06-17T16:47:03Z","symbol":"NIM1457220","token_address":"0x4ecca7af99fd4e80ca3fc2fa910adc55678767de","type":"artist","uuid":"9261a629-e80b-47e6-b830-749b664197ca"}
album: Volta do Mar...
  type: MusicAlbum
  date published: 2000-06-01
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  type: MusicAlbum
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