Sem Refrão

Recording by CaeOff.

Recording identifiers

ISRC
QZTVM2329606
CopyrightID (CopyrightChains transaction hash)
0x068547cfb2a08dbb4d4896a26223cf3de2b436cb256836fe65007ca9130b77d1
Copyright registration time
2026-07-31T20:03:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T20:22:46Z
Bitcoin block
960459
Canonical record hash
sha256:48b2b8e122c5b408fb09d6b9b24344669547da379db82afe46534271082ff205

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.