Tríptico: I. Allegro

Recording by Leo Brouwer.

Recording identifiers

ISRC
HKI191508201
CopyrightID (CopyrightChains transaction hash)
0xbfdf8d6ea710bd3a25b972867b31b4f8d3b523402d077ec24c420c3683e1dcda
Copyright registration time
2026-07-31T16:08:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T16:33:26Z
Bitcoin block
960435
Canonical record hash
sha256:b0115de94895dfa641c775b6fc3e18890b67d0e447d08c395119c32c4e55d693

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.