Cello Interlude

Recording by Lauri Porra.

Recording identifiers

ISRC
US23A1577009
CopyrightID (CopyrightChains transaction hash)
0x7ac6decc57258aa3fa9ff4852f3d389a5776f215c329ec61d224e542873baf5a
Copyright registration time
2026-07-06T07:28:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-13T07:53:33Z
Bitcoin block
957819
Canonical record hash
sha256:251d06e1a262d3beecdeace23208f069e75887789a26525ae6bb2c236b6fef02

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.