Casca

Recording by Gal Costa.

Recording identifiers

ISRC
BRSME1500163
CopyrightID (CopyrightChains transaction hash)
0x1fbf67033037013f4efa84151535a96429ecedb0be27dcbbfe2b98e591ff2a75
Copyright registration time
2026-06-24T00:42:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:2a5bf642b43b9c458689d8f9ba9c38c4974aeb5fabf9172be61e71c848edac47

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.