Hino da Intersindical

Recording by Sindicato dos Mineiros de Aljustrel.

Recording identifiers

ISRC
PT2EO0700313
CopyrightID (CopyrightChains transaction hash)
0x92f4ed7fda0132bc2ce10c0eb0d36e4ad9d2200197a70add2ec6563ed4fda5f1
Copyright registration time
2026-07-04T23:28:44+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:990e0ae4c723e40c897c573dce87366dedf675d64c543491407c1858fb9c5519

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.