Vai e Volta

Recording by PTK.

Recording identifiers

ISRC
BCDFI2200019
CopyrightID (CopyrightChains transaction hash)
0xe130a5a6c1e0f0ec998612a6ddbae2f639f65a35e060e1b98b4600b8fa171acd
Copyright registration time
2026-07-07T11:41:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T08:56:20Z
Bitcoin block
957145
Canonical record hash
sha256:ff83033aa95bfbbb5adea5dcc1ace1d60be083a8567de1ea7a1404b2a6d39cba

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.