Cantilena, Op. 78

Recording by Erland von Koch.

Recording identifiers

ISRC
SEAEB9450090
CopyrightID (CopyrightChains transaction hash)
0x6a1643b4e3f701aaad0782587b9a805ac1b84ec730ee3cc2c0fd12fd362a3990
Copyright registration time
2026-07-31T03:06:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T03:15:04Z
Bitcoin block
960340
Canonical record hash
sha256:abb8f0eaa48fef16225f11238bc723f31b91c1941409c730d3103fe32239de52

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.