Poema da Malta das Naus

Recording by Manuel Freire.

Recording identifiers

ISRC
PT2EO9300158
CopyrightID (CopyrightChains transaction hash)
0xb353e9c7142ccc5470a11d368a09d97eeb18b0deb75e3b12dcfa362aee1bcf01
Copyright registration time
2026-07-29T10:50:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T11:07:37Z
Bitcoin block
960095
Canonical record hash
sha256:c8111b147fdf12978b09314b1337e6a7f8c21d5263f98545d0133275cec0a4d7

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.