Mara
type: MusicGroup
genre: ambient
popularity: 4
followers: 200
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x64af7af74079e94e8a72d24bad099c5decc03a1f2625fc475c74dbc6592b9836
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954615
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954615
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c577e4f2-5404-4091-9989-790f9ac9428d.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c577e4f2-5404-4091-9989-790f9ac9428d.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c577e4f2-5404-4091-9989-790f9ac9428d
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T22:44:50Z
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 0x64af7af74079e94e8a72d24bad099c5decc03a1f2625fc475c74dbc6592b9836. Chain 2 (Bitcoin): anchored in block 954615 (2026-06-20T22:44:50Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c577e4f2-5404-4091-9989-790f9ac9428d.json and https://artists.proofprofile.net/proofs/artist/c577e4f2-5404-4091-9989-790f9ac9428d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T22:44:50Z
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  type: MusicAlbum
  date published: 2012-01-15
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  type: MusicAlbum
  date published: 2012-01-15
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  date published: 2013-06-10
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  type: MusicAlbum
  date published: 2016-10-20
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  type: MusicAlbum
  date published: 2017-10-16
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  type: MusicAlbum
  date published: 2019-05-23
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  type: MusicAlbum
  date published: 2020-07-03
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
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