Waltz for string orchestra

Recording by Alan Langford.

Recording identifiers

ISRC
GBAYD9700307
CopyrightID (CopyrightChains transaction hash)
0xaf805abdcbe817880091db8d661162f2fba3b9906c3df5d8a145de96840e9a30
Copyright registration time
2026-07-07T07:59:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:ca4d67cfce75547a380c7067c6313840318cdaa2319db8e19927e52d6f008903

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.