Na Saideira

Recording by Eduardo Costa.

Recording identifiers

ISRC
BXEC12300148
CopyrightID (CopyrightChains transaction hash)
0x3308d418a7bc2a6d9865980f9cef81746b04a9a3f539137a7c0755a0f931d3f5
Copyright registration time
2026-06-18T16:23:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:0b41022330570caa9d4e520f3b050cd6ba589171ef50095293fa50e4d4625c1b

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.