O Mastro

Recording by Cia Tambú.

Recording identifiers

ISRC
BRKAK2400018
CopyrightID (CopyrightChains transaction hash)
0x7dc285054b350ef77ccde2b1cbd9ac2cbd1b34da4f3ca58add9331aeb16b9609
Copyright registration time
2026-06-25T08:26:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:3022083c5ab79b2b7e806f8e3bf75847a1f230b7e152db410b1d50ab1e296b43

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.