Cama Vazia

Recording by Márcio Greyck.

Recording identifiers

ISRC
BRBMG8300202
CopyrightID (CopyrightChains transaction hash)
0xa99818dc7296a10fc6e15dddf5bc8079c963bf6920125cd98387d358c03b11b2
Copyright registration time
2026-07-07T21:54:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:09d7c876a793fd812fba583dfce0361bae73f31f42bdd98ce6eafd1cbd2d1003

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.