Cello Interlude II

Recording by Lauri Porra.

Recording identifiers

ISRC
US23A1577014
CopyrightID (CopyrightChains transaction hash)
0x65b0d03b72e1309ec75453d02c06196ec2ef315f62e26b6b57ed96d0e87a0650
Copyright registration time
2026-07-06T06:45:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T07:53:57Z
Bitcoin block
956894
Canonical record hash
sha256:33be58ce52c90d6dc9f257054e94f0860bc3395636a9f5587c04d68f60f95156

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.