Thiago Castanho
type: MusicGroup
description: Thiago Raphael Castanho (born February 8, 1975) is a Brazilian guitarist, record producer, painter and sculptor, best known for being a founding member of alternative rock bands Charlie Brown Jr., Ali
popularity: 48
followers: 3486
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additional property: CopyrightChainExplorerURL
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additional property: OTSVerifyInstructions
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  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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb93f0cd69123dd987e0207e95d662ac403f83fcbd5244642ea6de19ed2ee6f0. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3cd0c60a-3ebc-44bc-9718-fd76192bd219.json and https://artists.proofprofile.net/proofs/artist/3cd0c60a-3ebc-44bc-9718-fd76192bd219.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T21:20:00Z
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album: Temos Que Ser Livres
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  date published: 2020-03-13
  track: Temos Que Ser Livres
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    by artist: Thiago Castanho
    in album: Temos Que Ser Livres
      type: MusicAlbum
      date published: 2020-03-13
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    additional property: OTSVerifyInstructions
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    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c911b3a62cc8c3ffcae9d2d5151a22d7974f43194a310ffb1994257a3678fdd. Chain 2 (Bitcoin): anchored in block 958832 (2026-07-20T08:06:20Z), 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/BXTRT1900008.
      date published: 2026-07-20T08:06:20Z
    audio: Temos Que Ser Livres
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        value: 132.014
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      additional property: Valence (Positivity)
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      additional property: Loudness (dB)
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      additional property: Key Name
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        value: F#
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album: Anarquia
  type: MusicAlbum
  date published: 2020-03-13
album: Velho Mundo
  type: MusicAlbum
  date published: 2020-05-19
track: Coração Vazio (feat. Thiago Castanho)

Coração Vazio (feat. Thiago Castanho)
type: MusicRecording
duration: PT3M4S
duration ms: 184986
explicit: false
by artist: Capital Inicial
by artist: Thiago Castanho
in album: Viva a Revolução
  type: MusicAlbum
  date published: 2014-07-22
genre: pop-rock-brasileiro
genre: brazilian-rock
genre: rock-nacional-brasileiro
genre: rock-brasiliense
isrc code: BRSME1400671
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additional property: OTSTimestamp
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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
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb00eab00f8d97852fc12489507c04a1182da3d53ff47b489f3b90bceee9dfb9d. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/BRSME1400671.
  date published: 2026-06-13T15:41:10Z
audio: Coração Vazio (feat. Thiago Castanho)
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