Perpétua Alegria

Recording by Adhemar De Campos.

Recording identifiers

ISRC
BROOD1700281
CopyrightID (CopyrightChains transaction hash)
0xe509c275fee4875f2f6599bf1c3c8871bc84cb4ba48c55d99754af83f9c9684c
Copyright registration time
2026-07-07T14:20:27+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:b3083b3c776139109b3e5b7858869f5172a7266921662e6e6d4e5ae860f3ed93

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.