Coro Das Velhas

Recording identifiers

ISRC

PTAA19400847

CopyrightID (CopyrightChains transaction hash)

0xb90014d086f52d2fe80299b40b3325068f38d3bd4323a1fdc7109d22e3102b3f

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-30T12:06:10Z

Bitcoin block

960254

Canonical record hash

sha256:e6615e1d87aad89bce0ecf4fc08002e33629b9464cac91447e8c153a766999d0

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.