Waltz from Seranade for Strings

Recording by Henk Lagendaal Quintet.

Recording identifiers

ISRC
USA371097322
CopyrightID (CopyrightChains transaction hash)
0xc47ed04fa9b696601f67ed922f51b2984590ec8ea667f7b5d07934a27f222ade
Copyright registration time
2026-07-07T04:20:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:1a105611b110aefd51ba6afc49e29404a851c3e78e11ddbe0befa148559b9101

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.