Etude no. 10

Recording by Alvaro Pierri.

Recording identifiers

ISRC
USA560637631
CopyrightID (CopyrightChains transaction hash)
0xb7fc67897391f801af05bcb25259a03264d92bdccde2be5e309406d8c04438ea
Copyright registration time
2026-07-07T11:19:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:e348776da6f5d51528c3c26cee31db3a71cc9877bab842c8f6214664ac436d8b

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.