Daniel Filho
type: MusicGroup
genre: arrocha
description: João Carlos Daniel Filho (born 30 September 1937), best known as Daniel Filho, is a Brazilian film producer, director, actor, and screenwriter. He starred in the 1962 film The Unscrupulous Ones, which
popularity: 10
followers: 101
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8d6f7f1ce71c82a105de8915cb553f7749a405456f9c7b50f976a64b4457e3dd
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953895
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953895
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0eee1fdd-2f72-4168-80e3-82c01595969d.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0eee1fdd-2f72-4168-80e3-82c01595969d.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/0eee1fdd-2f72-4168-80e3-82c01595969d
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T05:46:35Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8d6f7f1ce71c82a105de8915cb553f7749a405456f9c7b50f976a64b4457e3dd","name":"Daniel Filho","registered_at":"2026-06-15T18:46:55Z","symbol":"NIM0798686","token_address":"0x13c48074ecd66d631d219856d3016f1c640a4b18","type":"artist","uuid":"0eee1fdd-2f72-4168-80e3-82c01595969d"}
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 0x8d6f7f1ce71c82a105de8915cb553f7749a405456f9c7b50f976a64b4457e3dd. Chain 2 (Bitcoin): anchored in block 953895 (2026-06-16T05:46:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0eee1fdd-2f72-4168-80e3-82c01595969d.json and https://artists.proofprofile.net/proofs/artist/0eee1fdd-2f72-4168-80e3-82c01595969d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T05:46:35Z
  text: {"copyright_id":"0x8d6f7f1ce71c82a105de8915cb553f7749a405456f9c7b50f976a64b4457e3dd","name":"Daniel Filho","registered_at":"2026-06-15T18:46:55Z","symbol":"NIM0798686","token_address":"0x13c48074ecd66d631d219856d3016f1c640a4b18","type":"artist","uuid":"0eee1fdd-2f72-4168-80e3-82c01595969d"}
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