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Recording by António Variações.

Recording identifiers

ISRC
PTVC19700009
CopyrightID (CopyrightChains transaction hash)
0x0719e0264676757a5473c60202d22b93fd1dfdb456438fcc5ddd91d545a606d9
Copyright registration time
2026-06-11T23:19:29+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:6c33e62d5a147f37103224ef9eb71112da61e678123da9986ce144a0d0ba1884

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.