Cimara Fróis
type: MusicGroup
genre: forró
popularity: 5
followers: 66
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2d3f95923f9fcf2b86ad02367a44ad82286e41cdf5206aa83361064a20bcb5f1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/65065db6-f6ab-4b50-9776-5427e9bf97ff.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/65065db6-f6ab-4b50-9776-5427e9bf97ff.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/65065db6-f6ab-4b50-9776-5427e9bf97ff
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x2d3f95923f9fcf2b86ad02367a44ad82286e41cdf5206aa83361064a20bcb5f1","name":"Cimara Fróis","registered_at":"2026-06-17T01:13:08Z","symbol":"NIM1234501","token_address":"0xd21d8fbc40dddc1afc4ada26d0c15ac61f87a738","type":"artist","uuid":"65065db6-f6ab-4b50-9776-5427e9bf97ff"}
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 0x2d3f95923f9fcf2b86ad02367a44ad82286e41cdf5206aa83361064a20bcb5f1. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/65065db6-f6ab-4b50-9776-5427e9bf97ff.json and https://artists.proofprofile.net/proofs/artist/65065db6-f6ab-4b50-9776-5427e9bf97ff.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x2d3f95923f9fcf2b86ad02367a44ad82286e41cdf5206aa83361064a20bcb5f1","name":"Cimara Fróis","registered_at":"2026-06-17T01:13:08Z","symbol":"NIM1234501","token_address":"0xd21d8fbc40dddc1afc4ada26d0c15ac61f87a738","type":"artist","uuid":"65065db6-f6ab-4b50-9776-5427e9bf97ff"}
track: Estrela Natal
track: Xaxado pra Iansã

Estrela Natal
type: MusicRecording
duration: PT6M25S
duration ms: 385948
explicit: false
by artist: Titane
by artist: Rogério Delayon
by artist: Ivan Correa
by artist: Sérgio Silva
by artist: Daniel Guedes
by artist: Cimara Fróis
in album: Titane e o Campo das Vertentes
  type: MusicAlbum
  date published: 2006
genre: nova-mpb
isrc code: BRNXA0900002
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T13:20:58+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3e23e4f3f7f5339eed59548e9a381771dee7b7bfc029c4e8da0ef202fa4fe5fd
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRNXA0900002
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 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. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e23e4f3f7f5339eed59548e9a381771dee7b7bfc029c4e8da0ef202fa4fe5fd. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRNXA0900002.
  date published: 2026-07-08T08:56:20Z
audio: Estrela Natal
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 145.324
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.397
  additional property: Energy
    type: PropertyValue
    value: 0.611
  additional property: Speechiness
    type: PropertyValue
    value: 0.32
  additional property: Acousticness
    type: PropertyValue
    value: 0.857
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.699
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.517
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.308
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Xaxado pra Iansã
type: MusicRecording
duration: PT3M49S
duration ms: 229853
explicit: false
by artist: Samba de Dandara
by artist: Roberta Kelly
by artist: Ligia Fiocco
by artist: Monalisa Madalena
by artist: Cimara Fróis
by artist: Amanda Lima
by artist: Aninha Batucada
by artist: Camila Trindade
by artist: Jana Cunha
by artist: Karina Oliveira
by artist: Paula Sanches
by artist: Railídia
by artist: Raquel Tobias
by artist: Roberta Oliveira
in album: Samba de Dandara
  type: MusicAlbum
  date published: 2021-05-07
genre: samba
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf31b8b2395a11118551012d2fe7561759bbe75bcdb46effe53d16999fd1b9cd. Chain 2 (Bitcoin): anchored in block 960277 (2026-07-30T16:10:47Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BCAMN2000013.
  date published: 2026-07-30T16:10:47Z
audio: Xaxado pra Iansã
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 122.825
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.709
  additional property: Energy
    type: PropertyValue
    value: 0.594
  additional property: Speechiness
    type: PropertyValue
    value: 0.052
  additional property: Acousticness
    type: PropertyValue
    value: 0.706
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.175
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.838
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.026
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: BCAMN2000013
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960277
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T16:10:47+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BCAMN2000013
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960277
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960277
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T16:10:47+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 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. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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