Apu Apustaja
type: MusicGroup
popularity: 3
followers: 24
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcf3a0be086d43a0a42e1dc8f7a381f5514ca03f34d169ad805e349a8b944633b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954667
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954667
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c6e63fe7-235b-48be-9bc3-0ec553a98d35.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c6e63fe7-235b-48be-9bc3-0ec553a98d35.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c6e63fe7-235b-48be-9bc3-0ec553a98d35
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T07:29:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xcf3a0be086d43a0a42e1dc8f7a381f5514ca03f34d169ad805e349a8b944633b","name":"Apu Apustaja","registered_at":"2026-06-20T21:44:23Z","symbol":"NIM1720041","token_address":"0xf238404ed885af71d832f365952f8494df8c1af4","type":"artist","uuid":"c6e63fe7-235b-48be-9bc3-0ec553a98d35"}
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 0xcf3a0be086d43a0a42e1dc8f7a381f5514ca03f34d169ad805e349a8b944633b. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c6e63fe7-235b-48be-9bc3-0ec553a98d35.json and https://artists.proofprofile.net/proofs/artist/c6e63fe7-235b-48be-9bc3-0ec553a98d35.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T07:29:20Z
  text: {"copyright_id":"0xcf3a0be086d43a0a42e1dc8f7a381f5514ca03f34d169ad805e349a8b944633b","name":"Apu Apustaja","registered_at":"2026-06-20T21:44:23Z","symbol":"NIM1720041","token_address":"0xf238404ed885af71d832f365952f8494df8c1af4","type":"artist","uuid":"c6e63fe7-235b-48be-9bc3-0ec553a98d35"}
album: Phase 1
  type: MusicAlbum
  date published: 2024-08-15
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  type: MusicAlbum
  date published: 2025-01-19
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  type: MusicAlbum
  date published: 2025-01-27
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  type: MusicAlbum
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  type: MusicAlbum
  date published: 2025-02-23
album: Trusting in the Dark
  type: MusicAlbum
  date published: 2025-02-23
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  type: MusicAlbum
  date published: 2025-02-24
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  type: MusicAlbum
  date published: 2025-06-06
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  type: MusicAlbum
  date published: 2025-06-13