Valongo

Recording by Abílio Martins.

Recording identifiers

ISRC
BRSGL7600076
CopyrightID (CopyrightChains transaction hash)
0x7547f06a5d02c108d11beeb8ca198e0497c8b487f363cc9e16709117d4455983
Copyright registration time
2026-07-31T17:23:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T17:29:52Z
Bitcoin block
960441
Canonical record hash
sha256:823e1193df91a3f6fdd9fe1d3f721697fcccb297b9f84cf283b72816b6df0dc4

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.